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Thu Apr 25 10:08:39 MDT 2024
Ky Fan On real matrices with positive definite symmetric component . . . . . . . . . . 1--4 Olga Taussky Hilbert's theorem 90 in matrix rings . . 5--8 Hans Schneider and Robert E. L. Turner Matrices Hermitian for an absolute norm 9--31 E. C. Johnsen Essentially doubly stochastic matrices 33--45 Adriano M. Garsia An exposé of the Mullin--Rota theory of polynomials of binomial type . . . . . . 47--65 Jay P. Fillmore and S. G. Williamson A linear algebra setting for the Rota--Mullin theory of polynomials of binomial type . . . . . . . . . . . . . 67--80 Mirsolav Fiedler A quantitative extension of the Perron--Frobenius theorem . . . . . . . 81--88
Paul Erd\Hos and Henryk Minc Diagonals of nonegative matrices . . . . 89--95 John Fogarty An algorithm for rings of invariants . . 97--101 Richard Sinkhorn Doubly whose stochastic matrices squares leave the permanent invariant . . . . . 103--118 S. G. Williamson Tensor compositions and lists of combinatorial structures . . . . . . . . 119--138 D. \vZ. \Dbarokovi\'c A characterization of minimal left or right ideals of matrix algebras . . . . 139--147 H. J. Ryser Indeterminates and incidence matrices 149--157 Katsumi Nomizu Characteristic roots and vectors of a differentiable family of symmetric matrices . . . . . . . . . . . . . . . . 159--162 J. B. Hawkins and A. Ben-Israel On generalized matrix functions . . . . 163--171 Ian Barrodale and John Fogarty and Russell Merris and B. N. Moyls Book review . . . . . . . . . . . . . . 175--181
S. N. Afriat On the Rational Canonical Form of a Matrix . . . . . . . . . . . . . . . . . 185--186 Gernot M. Engel and Hans Schneider Inequalities for determinants and permanents . . . . . . . . . . . . . . . 187--201 Miroslav Fiedler and Emilie Haynsworth Cones which are topheavy with respect to a norm . . . . . . . . . . . . . . . . . 203--211 Raphael Loewy The minimal eigenvalue of the Lyapunov transform . . . . . . . . . . . . . . . 213--229 David London On a connection between permanent function and polynomials . . . . . . . . 231--240 Russell Merris and Stephen Pierce Elementary divisors of higher degree associated transformations . . . . . . . 241--250 M. Newman and S. Pierce Bounded matrix groups . . . . . . . . . 251--256 Jennifer Wallis Complex Hadamard matrices . . . . . . . 257--272 Olga Taussky Research problem . . . . . . . . . . . . 273--273 Donald W. Robinson and Adil Yaqub Book Reviews . . . . . . . . . . . . . . 275--277 Anonymous Editor's Note . . . . . . . . . . . . . 284--284
George Phillip Barker Stochastic matrices over cones . . . . . 279--287 G. W. Cross and P. Lancaster Square roots of complex matrices . . . . 289--293 Charles R. Johnson Hadamard products of matrices . . . . . 295--307 R. C. Thompson and S. Therianos On a construction of B. P. Zwahlen . . . 309--325 John de Pillis Decomposable tensors as sums of Dyads 327--335 Henryk Minc Irreducible matrices . . . . . . . . . . 337--342 E. C. Johnsen Essentially doubly stochastic matrices 343--356 Henry P. Decell Jr. On the derivative of the generalized inverse of a matrix . . . . . . . . . . 357--359 D. C. Murdoch and Larry J. Gerstein and David A. Klarner and Stephen Pierce and Richard Jacobson Book Reviews . . . . . . . . . . . . . . 361--367
Henryk Minc Six letters from Alexander C. Aitken . . 1--12 R. C. Thompson On the eigenvalues of a product of unitary matrices I . . . . . . . . . . . 13--24 Phillip A. Ostrand Cutting numbers in graphs . . . . . . . 25--38 George F. Nassopoulos On the existence of coproducts in the category of noncommutative algebras . . 39--54 Edward A. Bender Characteristic polynomials of symmetric matrices II: Local number fields . . . . 55--63 Marvin Marcus and William Watkins Elementary divisors of derivations . . . 65--80 Marvin Marcus and William Watkins Annihilating polynomials for similarity and commutator mappings . . . . . . . . 81--84 Henry Minc The structure of irreducible matrices 85--90 Elizabeth Wilson and Morris Newman and Russell Merris Book Reviews . . . . . . . . . . . . . . 91--95
Henryk Minc An unresolved conjecture on permanents of $ (0, 1)$-Matrices . . . . . . . . . 97--113 J. W. Neuberger Norm of symmetric product compared with norm of tensor product . . . . . . . . . 115--121 Russell Merris An identity involving generalized matrix functions . . . . . . . . . . . . . . . 123--125 Stephen Pierce Anisotropic multilinear forms . . . . . 127--133 Daniel J. Richman and Hans Scheuder Primes in the semigroup of non-negative matrices . . . . . . . . . . . . . . . . 135--140 Larry J. Gerstein A Multiplicative Property of Invariant Factors . . . . . . . . . . . . . . . . 141--142 Morris Newman A result on integral symmetric matrices 143--145 A. V. Geramita and N. J. Pullman Radon's function and Hadamard arrays . . 147--150 Eugene M. Luks Normalizers of Linear Lie Algebras . . . 151--160 Abraham Berman and Robert J. Plemmons Inverses of nonnegative matrices . . . . 161--172 Edward A. Bender and Norman P. Herzberg Characteristic polynomials of symmetric matrices III: some counterexamples . . . 173--178 John Howard Smith A geometric treatment of non-negative generalized inverses . . . . . . . . . . 179--184 Charles R. Johnson and D. Carlson Research problem . . . . . . . . . . . . 185--185 Emile Haynsworth and E. E. Underwood and Ralph L. Shively and Robert Todd Gregory Book Reviews . . . . . . . . . . . . . . 187--193
Olga Taussky Some Results Concerning the Transition from the $L$- to the $P$-property for Pairs of Finite Matrices II . . . . . . 195--202 Joel Anderson and Joe Parker Jr. Choices for A in the Matrix Equation T=AB-BA . . . . . . . . . . . . . . . . 203--209 Dennis E. White Linear and Multilinear Aspects of Isomorph Rejection . . . . . . . . . . . 211--226 Raphael Loewy On Ranges of Lyapunov Transformations II 227--237 Harley Flanders On the Norm and Spectral Radius . . . . 239--240 Harley Flanders Analytic Solutions of Matrix Equations 241--243 Russell Merris and Muneer A. Rashid The Dimensions of Certain Symmetry Classes of Tensors . . . . . . . . . . . 245--248 Yik-Hoi Au-Yeung Simultaneous Diagonalization of Two Hermitian Matrices into $ 2 \times 2 $ Blocks . . . . . . . . . . . . . . . . . 249--252 Simon A. Levin Stability Matrices and the Solvability of Certain Systems of Linear Inequalities . . . . . . . . . . . . . . 253--255 R. Westwick Linear Transformations on Grassmann Spaces III . . . . . . . . . . . . . . . 257--268 George Marsaglia and George P. H. Styan Equalities and Inequalities for Ranks of Matrices . . . . . . . . . . . . . . . . 269--292 B. N. Moyls and Robert E. Beck and Hans Schneider and Roy B. Letpnik Book Reviews . . . . . . . . . . . . . . 293--298
Russell Merris The irreducibility of $ K(A) $ . . . . . 299--303 D. \vZ. \Dbarokovi\'c On Neuberger's identity for symmetric tensors . . . . . . . . . . . . . . . . 305--309 R. Westwick A theorem on numerical range . . . . . . 311--315 Moshe Goldberg and Eitan Tadmor and Gideon Zwas The numerical radius and spectral matrices . . . . . . . . . . . . . . . . 317--326 Samuel Friedland Generalised Hadamard inequality and its application . . . . . . . . . . . . . . 327--333 Norman J. Pullman A note on a theorem of Minc on irreducible non-negative matrices . . . 335--336 J. R. Wall The doubly stochastic matrix equations $ X A^t Y = A $ and $ X A^t Y = A^t $ . . 337--340 Dennis E. White Multilinear enumerative techniques . . . 341--352 David Nash The generalized Eckart--Young principal axis theorem . . . . . . . . . . . . . . 353--355 G. N. de Oliveira Matrices with prescribed characteristic polynomial and several prescribed submatrices . . . . . . . . . . . . . . 357--364 B. E. Cain and Hans Schneider and R. C. Thompson Book Reviews . . . . . . . . . . . . . . 365--366
Edward A. Bender and J. V. Brawley Similarity to symmetric matrices over fields which are not formally real . . . 3--8 Charles R. Johnson Numerical location of the field of values . . . . . . . . . . . . . . . . . 9--14 R. C. Thompson Extreme determinants on the convex hull of matrices with prescribed singular values . . . . . . . . . . . . . . . . . 15--17 C. S. Ballantine Some involutory similarities . . . . . . 19--23 Walter Feit On certain rational quadratic forms . . 25--32 Harley Flanders An extremal problem on the space of positive definite matrices . . . . . . . 33--39 I. N. Herstein and Lance W. Small An extension of a theorem of Schur . . . 41--43 Alan J. Hoffman Linear $G$-functions . . . . . . . . . . 45--52 W. C. Huffman and D. B. Wales Linear groups of degree $n$ containing an element with exactly $ n - 2 $ equal eigenvalues . . . . . . . . . . . . . . 53--59 Irving Kaplansky and Robert E. Kibler Infinite-dimensional Lie algebras. II 61--65 Tosio Kato On a matrix limit theorem . . . . . . . 67--71 Henry B. Mann and William Yslas Vélez On normal radical extensions of the rationals . . . . . . . . . . . . . . . 73--80 Marvin Marcus Adjoints and the numerical range . . . . 81--89 Henryk Minc Subpermanents of doubly stochastic matrices . . . . . . . . . . . . . . . . 91--94 Morris Newman Some results on symplectic matrices . . 95--98 H. J. Ryser The formal incidence matrix . . . . . . 99--104 Hans Schwerdtfeger On $ (n + 1)$-point invariants of the group $ {\rm GL}(n, F)$ . . . . . . . . 105--109 Julius Zelmanowitz Invertibility of matrices with almost-commuting entries . . . . . . . . 111--114 Marvin Marcus and M. Shafqat Ali Congruence maps and derivations . . . . 115--133 Donald W. Robinson Lower bounds on the dimension of the space of matrices transposed by a similarity transformation . . . . . . . 135--141 Dennis A. Garbanati Extensions of the Hasse norm theorem, II 143--145 Irving Reiner Projective class groups of symmetric and alternating groups . . . . . . . . . . . 147--153 R. C. Thompson The intersection of the convex hulls of proper and improper real matrices with prescribed singular values . . . . . . . 155--160 John De Pillis An extended duality theorem and multiplication of several matrices . . . 161--168
C. S. Ballantine and C. R. Johnson Accretive matrix products . . . . . . . 169--185 Charles R. Johnson Notes on nonnegative Hadamard functions 187--192 W. J. Leahey and W. C. Herndon and V. T. Phan A note on permanents . . . . . . . . . . 193--196 Jennifer Seberry Wallis Construction of Williamson type matrices 197--207 Robert B. Gardner Modules admitting determinants . . . . . 209--214 Marvin Marcus and Herbert Robinson Bilinear functionals on the Grassmannian manifold . . . . . . . . . . . . . . . . 215--225 Richard A. Brualdl and Thomas H. Foregger Matrices with constant permanental minors . . . . . . . . . . . . . . . . . 227--243 A. Seidenberg and M. Boon Book Reviews . . . . . . . . . . . . . . 245--247
Michael A. Gauger Elementary divisors of induced transformations on tensors via the representation theory of $ {\rm sl}_2 $ 249--253 I. Borosh and D. J. Hartfiel and C. J. Maxon Answers to questions posed by Richman and Schneider . . . . . . . . . . . . . 255--258 Morris Newman On a theorem of Cebotarev . . . . . . . 259--262 Morris Newman Polynomials in a matrix . . . . . . . . 263--266 M. H. Lim Linear transformation on symmetry classes of tensors . . . . . . . . . . . 267--280 Anthony V. Geramita and Joan Murphy Geramita and Jennifer Seberry Wallis Orthogonal designs . . . . . . . . . . . 281--306 P. Erd\Hos and E. G. Straus How abelian is a finite group? . . . . . 307--312 Larry J. Gerstein and H. Mochizuki and George P. H. Styan and D. \vZ. \Dbarokovi\'c and Alston Householder and Alan J. Hoffman and C. J. Maxson Book reviews . . . . . . . . . . . . . . 313--325
D. H. Lehmer The Characters of linear permutations 1--16 John Howard Smith Commutators of nilpotent matrices . . . 17--19 Dennis E. White and S. G. Williamson Probabilistic analogs of Pólya's enumeration theory . . . . . . . . . . . 21--30 Ron Aharoni On theorem of Dénes König . . . . . . . . 31--32 D. \vZ. \Dbarokovi\'c and C. R. De Prima and C. R. Johnson On some representations of matrics . . . 33--40 J. Hillel Dimensionality of algebras of symmetry classes of tensors . . . . . . . . . . . 41--44 P. M. Gibson Products of symmetric doubly stochastic matrices over a field . . . . . . . . . 45--54 Moshe Golberg and Gideon Zwas Inclusion relations between certain sets of matrices . . . . . . . . . . . . . . 55--60 C. S. Ballantine and E. L. Yip Uniqueness of the ``nonsingular core'' for Hermitian and other matrix pencils 61--67 C. S. Ballantine Author's addendum to ``Some involutory similarities'' . . . . . . . . . . . . . 69--69 R. C. Thompson and Richard A. Brualdi Book Reviews . . . . . . . . . . . . . . 71--75
F. Alberto Grübaum Simultaneous unitary equivalence . . . . 79--84 M. H. Lim A uniqueness theorem in symmetry classes 85--88 John D. Fulton Representations by quadratic forms of arbitrary rank in a finite field of characteristic two . . . . . . . . . . . 89--101 W. D. Hoskins and G. E. McMaster On the inverses of a class of Toeplitz matrices of band width five . . . . . . 103--106 H. I. Freedman Functionally commutative matrices and matrices with constant eigenvectors . . 107--113 Eugene Spiegel Polynomials of generating series type 115--121 Richard Sinkhorn Doubly stochastic matrices whose squares decrease the permanent . . . . . . . . . 123--128 Paul J. Knopp and Richard Sinkhorn Permanents of special classes of doubly stochastic matrices . . . . . . . . . . 129--136 Marvin Marcus Converses of the Fischer inequality and an inequality of A. Ostrowski . . . . . 137--148 Chandler Davis and Jennifer Seberry Wallis Book Reviews . . . . . . . . . . . . . . 149--154
Gernot M. Engel and Hans Schneider The Hadamard--Fischer inequality for a class of matrices defined by eigenvalue monotonicity . . . . . . . . . . . . . . 155--176 J. W. Moon A note on matrices with given diagonal entries . . . . . . . . . . . . . . . . 177--178 David London On derivations arising in differential equations . . . . . . . . . . . . . . . 179--189 George Phillip Barker Monotone norms and tensor products . . . 191--199 Richard Sinkhorn Matrices which commute with doubly stochastic matrices . . . . . . . . . . 201--203 Rueeell Merris and Marvin Marcus The dimensions of certain symmetry classes of tensors. II . . . . . . . . . 205--207 Henryk Minc The invariance of elementary symmetric functions . . . . . . . . . . . . . . . 209--215 Edward T. H. Wang Diagonal sums of doubly stochastic matrices . . . . . . . . . . . . . . . . 217--228 C. R. Miers and George Phillip Barker Book Reviews . . . . . . . . . . . . . . 229--232
Herbert A. Robinson Quadratic forms on symmetry classes of tensors . . . . . . . . . . . . . . . . 233--241 Amos Kovacs Trace preserving linear transformations on matrix algebras . . . . . . . . . . . 243--250 M. H. Lim Antiderivations on the exterior algebras 251--259 Charles R. Johnson A Hadamard product involving $M$-matrices . . . . . . . . . . . . . . 261--264 Henryk Minc Linear transformations on matrices: rank $1$ preservers and determinant preservers . . . . . . . . . . . . . . . 265--272 I. Connell An estimate for the dimension of the product of two vector spaces . . . . . . 273--275 E. C. Johnsen An inequality on the matrix spectral norm specifying Hadamard matrices . . . 277--279 Bit-Shun Shun Tam Some results of polyhedral cones and simplicial cones . . . . . . . . . . . . 281--284 G. H. Chan A characterization of minimal $ (k) $-groups of degree $ n \leq 3 k $ . . . 285--305 Ralph L. Shively and Charles A. Akemann Book Reviews . . . . . . . . . . . . . . 307--309
G. M. Engel and R. S. Varga Minimal Ger\vsgorin sets and $ \omega $-matrices . . . . . . . . . . . . . . . 1--10 Thomas H. Pate Invariant subspaces for certain linear transformations on a space of tensors 11--18 A. J. Hoffman and Basharat A. Jamil On the line graph of the complete tripartite graph . . . . . . . . . . . . 19--25 Hans Tilgner Generalized tangent representations for groups and symmetric spaces of matrices 27--31 Malcolm Griffin and Mark Krusemeyer Matrices as sums of squares . . . . . . 33--44 Donald W. Robinson Matrices with zero trace as commutators of nilpotents . . . . . . . . . . . . . 45--51 C. S. Ballantine Products of involutory matrices. I . . . 53--62 Eva Achilles Permanents of doubly stochastic matrices with fixed zero pattern . . . . . . . . 63--70 Charles R. Johnson and R. P. Twearson and Marshall Hall Jr. Book reviews . . . . . . . . . . . . . . 71--75
Moshe Goldberg and E. G. Straus On a theorem by Mirman . . . . . . . . . 77--78 Russell Merris On vanishing decomposable symmetrized tensors . . . . . . . . . . . . . . . . 79--86 William Watkins Polynomial functions that preserve commuting pairs of matrices . . . . . . 87--90 Mordechai Lewin Nonnegative matrices generating a finite cyclic group . . . . . . . . . . . . . . 91--94 Fergus Gaines Some generators for the algebra of $ n \times n $ matrices . . . . . . . . . . 95--98 Marvin Marcus and Ivan Filippenko Invariance of the non-vanishing specializations of polynomials . . . . . 99--105 Richard Sinkhorn Doubly stochastic matrices with dominant $p$-minors . . . . . . . . . . . . . . . 107--117 G. N. de Oliveira and Eduardo Marques De Sá and J. A. Dias Da Silva On the eigenvalues of the matrix $ A + X B X^{-1} $ . . . . . . . . . . . . . . . 119--128 J. Kapoor Matrices which, under row permutations, give specified values of trace function 129--137 Dan Shemesh On a theorem of A. Ostrowski . . . . . . 139--143 Edward T. H. Wang On a conjecture of M. Marcus and H. Minc 145--148 Charles R. Johnson and Marvin Marcus Book Reviews . . . . . . . . . . . . . . 149--152
Michael A. Gauger and Christopher I. Byrnes Characteristic free, improved decidability criteria for the similarity problem . . . . . . . . . . . . . . . . 153--158 Bruce J. Collings and Donald W. Robinson Upper bounds on the dimension of the space of matrices transposed by a similarity transformation . . . . . . . 159--173 D. L. Reiner Sequences of polynomials of fractional binomial type . . . . . . . . . . . . . 175--179 William D. Blair Goldman determinants and a theorem of Frobenius . . . . . . . . . . . . . . . 181--182 W. D. Hoskins and G. E. McMaster Properties of the inverses of a set of band matrices . . . . . . . . . . . . . 183--196 Hans Schneider Olga Taussky-Todd's influence on matrix theory and matrix theorists . . . . . . 197--224 Rolf Schlegelmilch and Frank Uhlig Über Matrizen mit Semidefinitem Realteil, Imaginärteil oder Polarem Defekt und Ihre Eigenwerte. (German) [On matrices with semidefinite real part, imaginary or polar defect, and their eigenvalues] . . 225--228 D. D. Olesky and P. van den Driessche A note on minimal norms and the logarithmic derivative of a matrix . . . 229--233 R. C. Thompson and M. Ishaq The convex hull of signed rearrangements with prescribed sign parity . . . . . . 235--241 John Ernest and Charles A. Akemann Book Reviews . . . . . . . . . . . . . . 243--247
G. P. Barker and A. Berman and R. J. Plemmons Positive diagonal solutions to the Lyapunov equations . . . . . . . . . . . 249--256 J. S. Hsia Two theorems on integral matrices . . . 257--264 Morris Newman A note on matrix equivalence . . . . . . 265--266 Lindsay N. Childs Linearizing of $n$-ic forms and generalized Clifford algebras . . . . . 267--278 Béla Gyires On inequalities concerning matrices of permanents . . . . . . . . . . . . . . . 279--282 Bruce H. Edwards The eigenvalues of four-dimensional rotations . . . . . . . . . . . . . . . 283--287 D. J. Hartfiel On the Asymptotic Behavior of the Perron Eigenvalue . . . . . . . . . . . . . . . 289--295 Leroy B. Beasley and Larry J. Cummings Permanent Semigroups . . . . . . . . . . 297--302 R. C. Thompson Matrix type metric inequalities . . . . 303--319 Ladnor Geissinger Critical points of a modified trace . . 321--323 K. Y. Fan and Edward Azoff and James B. Robertson Book Reviews . . . . . . . . . . . . . . 324--328
Sara Avraham and Raphael Loewy On the inertia of the Lyapunov transform $ A H + H A^* $ for $ H > 0 $ . . . . . . 1--21 John De Pillis Characterizations of sums of dyads and of Kronecker products . . . . . . . . . 23--31 Donald Maurer Invariants of the trace-form of a number field . . . . . . . . . . . . . . . . . 33--36 Daniel J. Richman The singular graph of lower triangular, nilpotent matrices . . . . . . . . . . . 37--49 Jorma Kaarlo Merikoski On the submultiplicativity of norms of Hölder and Minkowski type . . . . . . . . 51--54 Stephen L. Campbell On the limit of a product of matrix exponentials . . . . . . . . . . . . . . 55--59 Ludwig Elsner Another note on a theorem of Minc on irreducible nonnegative matrices . . . . 61--62 Hans Schwerdtfeger On $ (n + 1) $-point invariants of the group $ {\rm GL}(n, F) $. II . . . . . . 63--64 Diane Benson A characterization of linear transformations which leave the doubly stochastic matrices invariant . . . . . 65--72 G. H. Chan On the triviality of a symmetry class of tensors . . . . . . . . . . . . . . . . 73--82 Raphael Loewy and David London A note on an inverse problem for nonnegative matrices . . . . . . . . . . 83--90 J. Zelmanowitz and Joel Franklin Book reviews . . . . . . . . . . . . . . 91--92
Christopher Parrish Multivariate Umbral calculus . . . . . . 93--109 S. A. Joni Lagrange inversion in higher dimensions and umbral operators . . . . . . . . . . 111--122 Shmuel Friedland A study of the van der Waerden conjecture and its generalizations . . . 123--143 A. Duane Porter and Nick Mousouris Ranked solutions of some matric equations . . . . . . . . . . . . . . . 145--151 W. D. Hoskins and G. E. McMaster On the infinity norm of the inverse of a class of Toeplitz matrices of band width five . . . . . . . . . . . . . . . . . . 153--156 Rivca Amiad and Henry F. Kaiser Book review . . . . . . . . . . . . . . 157--159
George Phillip Barker Faces and duality in convex cones . . . 161--169 Russell Merris The structure of higher degree symmetry classes of tensors. II . . . . . . . . . 171--178 Leroy B. Beasley Linear transformations on matrices: The invariance of commuting pairs of matrices . . . . . . . . . . . . . . . . 179--183 Stephen Pierce and William Watkins Invariants of linear maps on matrix algebras . . . . . . . . . . . . . . . . 185--200 C. S. Ballantine Cosquares: Complex and otherwise . . . . 201--217 Ned Anderson and Gilbert G. Best A Gerschgorin--Rayleigh inequality for the eigenvalues of Hermitian matrices 219--222 Robert E. Hartwig A note on the partial ordering of positive semi-definite matrices . . . . 223--226 Shmuel Friedland and Henryk Minc Monotonicity of permanents of doubly stochastic matrices . . . . . . . . . . 227--231 Daniel R. Batigne and Frank J. Hall and Irving J. Katz Further results on integral generalized inverses of integral matrices . . . . . 233--241 S. G. Williamson and R. C. Thompson and Kenneth Millett Book reviews . . . . . . . . . . . . . . 243--245
G. Baley Price Determinants with dominant principal diagonal: a personal historical note . . 247--250 Olga Taussky-Todd Some comments concerning G. B. Price's note on: ``Determinants with dominant principal diagonal: a personal historical note'' (\booktitleLinear and Multilinear Algebra \bf 6 (1978/79), no. 4, 247--250) . . . . . . . . . . . . . . 251--251 Hans Samelson Note on the Lefschetz--Hodge operators 253--255 T. W. Anderson and I. Olkin An extremal problem for positive definite matrices . . . . . . . . . . . 257--262 Russell Merris Linearly independent permutation characters afforded by action on tensor spaces . . . . . . . . . . . . . . . . . 263--267 Thomas J. Laffey Simultaneous triangularization of matrices---low rank cases and the nonderogatory case . . . . . . . . . . . 269--305 Vishnu K. Agrawala and Chong-Yun Yun Chao Equalities and inequalities for ranks of modules . . . . . . . . . . . . . . . . 307--315 Marvin Marcus and John Chollet Decomposable symmetrized tensors . . . . 317--326 Marvin Marcus Decomposable symmetrized tensors and an extended $ L R $ decomposition theorem 327--330 R. B. Leipnik and Robert Lee Wilson Book reviews . . . . . . . . . . . . . . 331--338
Richard A. Brualdi Matrices permutation equivalent to irreducible matrices and applications 1--12 J. D. Mcfall Elementary divisors of transformations related to tensor powers . . . . . . . . 13--25 Marvin Marcus and Ivan Filippenko Linear operators preserving the decomposable numerical range . . . . . . 27--36 Thomas H. Foregger Identities related to permanents of doubly stochastic matrices and series reduces trees . . . . . . . . . . . . . 37--41 Kenneth J. Palmer A sufficient condition that a matrix have eigenvalues with non-zero real parts . . . . . . . . . . . . . . . . . 43--45 M. H. Lim Linear transformations on symmetric matrices . . . . . . . . . . . . . . . . 47--57 S. K. Jain and V. K. Goel and Edward K. Kwak Nonnegative matrices having same nonnegative Moore--Penrose and group inverses . . . . . . . . . . . . . . . . 59--72 Frak J. Hall and Irving J. Katz On ranks of integral generalized inverses of integral matrices . . . . . 73--85 R. Guralnick and Olga Taussky A remark concerning unipotent matrix groups . . . . . . . . . . . . . . . . . 87--89 John Chollet and J. K. Sengupta Book reviews . . . . . . . . . . . . . . 91--92
Howard Jacobowitz Curvature operators on the exterior algebra . . . . . . . . . . . . . . . . 93--105 Morris Newman Equivalence without determinantal divisors . . . . . . . . . . . . . . . . 107--109 Marvin Marcus and B. N. Shure The numerical range of certain $ 0, 1$-matrices . . . . . . . . . . . . . . 111--120 Robert B. Feinberg The identity as a matrix commutator . . 121--122 Thomas H. Foregger Remarks on a conjecture of M. Marcus and H. Minc . . . . . . . . . . . . . . . . 123--126 Thomas H. Foregger A note on matrices with constant permanental minors . . . . . . . . . . . 127--128 Charles R. Johnson and R. B. Kellogg and A. B. Stephens Complex eigenvalues of a non-negative matrix with a specified graph II . . . . 129--143 M. H. Lim A note on the relation between the determinant and the permanent . . . . . 145--147 Nadhla A. Al-Salam and Waleed A. Al-Salam The centralizer of the Laguerre polynomial set . . . . . . . . . . . . . 149--154 G. H. Chan Minimal $ (k) $-groups of degree $n$, $ 3 k < n \leq 4 k$ . . . . . . . . . . . . 155--166 Vincent P. Gallagher Local trace forms . . . . . . . . . . . 167--174
Martin Scharlemann Subgroups of $ {\rm SL}(2, R) $ freely generated by three parabolic elements 177--191 John D. McFall How to compute the elementary divisors of the tensor product of two matrices 193--201 Edward Formanek The center of the ring of $ 3 \times 3 $ generic matrices . . . . . . . . . . . . 203--212 Kenneth Bogart and Jean Gordon Hypergraphs, characteristic polynomials and permutation characters . . . . . . . 213--236 Russell Merris On the pseudocharacteristic polynomial of K. Bogart and J. Gordon . . . . . . . 237--239 G. H. Chan Permutations on Grassmann spaces . . . . 241--247 K. Balasubramanian Maximal diagonal sums . . . . . . . . . 249--251 K. Balasubramanian Constancy of functions restricted to a subset . . . . . . . . . . . . . . . . . 253--255 M. Neumann Weak stability for matrices . . . . . . 257--262 Jeff Dozier Book Reviews . . . . . . . . . . . . . . 263--264
Anonymous A second Santa Barbara matrix conference 265--265 David B. Wales Connections between finite linear groups and linear algebra . . . . . . . . . . . 267--279 Dominique Foata A Matrix-analog for Viennot's construction of the Robinson correspondence . . . . . . . . . . . . . 281--298 Dennis E. White Multilinear techniques in Pólya enumeration theory . . . . . . . . . . . 299--315 Russell Merris Recent advances in symmetry classes of tensors . . . . . . . . . . . . . . . . 317--328 Moshe Goldberg On certain finite dimensional numerical ranges and numerical radii . . . . . . . 329--342 J. A. Dias Da Silva On the Schur inequality . . . . . . . . 343--357
J. Dieudonné The tragedy of Grassmann . . . . . . . . 1--14 Kato Tosio Spectral order and a matrix limit theorem . . . . . . . . . . . . . . . . 15--19 Adriano M. Garsia On the ``maj'' and ``inv'' $q$-analogues of Eulerian polynomials . . . . . . . . 21--34 Dragomir \vZ. \Dbarokovi\'c and Jerry Malzan Perturbation of eigenvalues in $ U(n) $ by pseudo-reflections . . . . . . . . . 35--40 Frank Uhlig A rational canonical pair form for a pair of symmetric matrices over an arbitrary field $F$ with $ {\rm char}F \neq 2$ and applications to finest simultaneous block diagonalizations . . 41--67 John D. Dixon An isomorphism criterion for modules over a principal ideal domain . . . . . 69--72 C. S. Ballantine Products of complic cosquares and pseudo-involutory matrices . . . . . . . 73--78 Edward T. H. Wang A combinatorial application of the Frobenius inequality on rank function to maximum set of commuting nilpotent matrices . . . . . . . . . . . . . . . . 79--82 Russell Merris Generalized matrix functions: a research problem . . . . . . . . . . . . . . . . 83--86 Vera Pless and Charles A. Akemann Book reviews . . . . . . . . . . . . . . 87--88 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Peter Botta Linear transformations preserving the unitary group . . . . . . . . . . . . . 89--96 Robert M. Guralnick A note on pairs of matrices with rank one commutator . . . . . . . . . . . . . 97--99 Stephen Piercet Discriminant preserving linear maps . . 101--114 Richard A. Brualdit Disjoint permutation matrices in complements of trees . . . . . . . . . . 115--119 B. David Saunders and Hans Schneider Cones, graphs and optimal scalings of matrices . . . . . . . . . . . . . . . . 121--135 J. R. Wall Rank factorizations of positive operators . . . . . . . . . . . . . . . 137--144 Kenneth B. Stolarsky Quintuple diagonal determinants related to a digital distribution problem . . . 145--152 Tomas Eufracio Salazarf An abstract matrix model:the column model . . . . . . . . . . . . . . . . . 153--170 Anonymous Erratum: Charles R. Johnson, R. B. Kellogg, and A. B. Stephens. Complex eigenvalues of a non-negative matrix with a specified graph II, \booktitleLinear and Multilinear Algebra \bf 7(2) 129--143 (1979) . . . . . . . . 171--171
S. A. Amitsur On the characteristic polynomial of a sum of matrices . . . . . . . . . . . . 177--182 Thomas J. Laffey A basis theorem for matrix algebras . . 183--187 Morris Newman Matrices of finite period and some special linear equations . . . . . . . . 189--195 Robert C. Thompson The congruence numerical range . . . . . 197--206 Marvin Marcus and John Chollet Linear groups defined by decomposable tensor equalities . . . . . . . . . . . 207--212 Dennis R. Estes Scalar matrices as multiplicative commutators having prescribed determinants for the variables . . . . . 213--217 G. P. Barker and Dave Carlson Generalizations of topheavy cones . . . 219--230 Olga Taussky and J. Hsia Results concerning composition of sums of three squares . . . . . . . . . . . . 231--233 Henryk Minc An asymptotic solution of the multidimensional dimer problem . . . . . 235--239 Bruce H. Edwards Rotations and discriminants of quadratic spaces . . . . . . . . . . . . . . . . . 241--246 Ralph Howard Dimension inequalities on the range of a multilinear function with vector space range . . . . . . . . . . . . . . . . . 247--252 K. Veseli\'c On optimal linearisations of a quadratic eigenvalue problem . . . . . . . . . . . 253--258 W. J. Leahey and J. E. Nymann A note on a theorem of Lindström . . . . 259--260 Bob C. Liang A classification of linear control systems . . . . . . . . . . . . . . . . 261--264 Stephen L. Campbell Continuity of the Drazin inverse . . . . 265--268 Adil Yaqub Book Review . . . . . . . . . . . . . . 269--308 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Stephen Barnett Greatest common divisors from generalized Sylvester resultant matrices 271--279 David London On the van der Waerden conjecture for matrices of rank two . . . . . . . . . . 281--289 T. Ando Inequalities for $M$-matrices . . . . . 291--316 G. O. Fowler The existence of linear factors in the direct sum of forms and in the tensor product of forms . . . . . . . . . . . . 317--322 Richard Sinkhorn Concerning the question of monotonicity of the permanent on the doubly stochastic matrices . . . . . . . . . . 323--328 Roderick Gow The equivalence of an invertible matrix to its transpose . . . . . . . . . . . . 329--336 H. Shapiro and O. Taussky Alternative proofs of a theorem of Moyls and Marcus on the numerical range of a square matrix . . . . . . . . . . . . . 337--340 Dennis E. White Applications of a binomial-type identity 341--345 T. Ando Hua--Marcus inequalities . . . . . . . . 347--352 Charles R. Johnson and Michael Neumann Square roots with positive definite Hermitian part . . . . . . . . . . . . . 353--355 Charles A. Akemann Book Reviews . . . . . . . . . . . . . . 357--358 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
R. Westwick The maximal length of real trivectors of rank seven . . . . . . . . . . . . . . . 1--4 Henryk Minc Bounds for permanents and determinants 5--16 David Carlson and Raphael Loewy Induced bilinear maps and matrix equations . . . . . . . . . . . . . . . 17--33 Yiu-Tung Poon Another proof of a result of Westwick 35--37 Anita E. Solow The square class invariant for quadratic forms and the classification problem . . 39--50 Emeric Deutsch The variation of the eigenvalues of a real symmetric tridiagonal matrix upon the variation of some of its elements 51--62 B. N. Datta Matrix equation, matrix polynomial and the number of zeros of a polynomial inside the unit circle . . . . . . . . . 63--68 Kai Wang Kronecker products of permutations and its applications to group matrices . . . 69--76 Leon Mirsky and Richard Sinkhorn Book Reviews . . . . . . . . . . . . . . 77--79 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
David Merriell The maximum permanent in . . . . . . . . 81--91 C. S. Ballantine Where the numerical range subtends a right angle . . . . . . . . . . . . . . 93--97 S. Barnett and P. Lancaster Problems of control and information theory (Hungary) . . . . . . . . . . . . 99--110 Marvin Marcus and Bo-Ying Wang Some variations on the numerical range 111--120 Michael K. Mahoney and Morris Newman Determinants of abelian group matrices 121--132 Robert M. Guralnick Structure of algebras . . . . . . . . . 133--140 N. J. Young Functions of canonical matrices . . . . 141--149 E. Rodney Canfield A Sperner property preserved by product 151--157 Ar. Meenakshi On $ {\rm EP}_r $ matrices with entries from an arbitrary field . . . . . . . . 159--164 I. Kaplansky Book Review . . . . . . . . . . . . . . 165--166 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
D. E. White and S. G. Williamson Construction of minimal representative systems . . . . . . . . . . . . . . . . 167--180 Yiu-Tung Poon The generalized $K$ --- numerical range 181--186 Morris Newman Determinants of circulants of prime power order . . . . . . . . . . . . . . 187--191 Heydar Radjavi Proof of Ballantine's conjecture on simplic cosquares . . . . . . . . . . . 193--194 Juan M. Gracia Dimension of the solution spaces of the matrix equations $ [A, [A, X]] = 0 $ and $ [A, [A, [A, X]]] = 0 $ . . . . . . . . 195--200 Frank J. Hall and Irving J. Katz More on integral generalised inverses of integral matrics . . . . . . . . . . . . 201--209 M. Neumann and R. J. Plemmons $M$-matrix characterization II: General $M$-matrices . . . . . . . . . . . . . . 211--225 Vu Anh Phuong Behavior of the permanent of a special class of doubly stochastic matrices . . 227--229 Patrick Eberlein A trace formula . . . . . . . . . . . . 231--236 Charles Akemann and James B. Robertson Book Reviews . . . . . . . . . . . . . . 237--239 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
M. Neumann On the Schur complement and the LU-factorization of a matrix . . . . . . 241--254 John S. McMath and S. E. Sims Mean value theorems for a matrix valued derivative . . . . . . . . . . . . . . . 255--261 Dragomir \vZ. \Dbarokovi\'c Point-sequences on spheres and the spin groups . . . . . . . . . . . . . . . . . 263--270 Harold V. Henderson and S. R. Searle The vec-permutation matrix, the vec operator and Kronecker products: a review . . . . . . . . . . . . . . . . . 271--288 E. R. Canfield and S. G. Williamson Hook length products and Cayley operators of classical invariant theory 289--297 Shmuel Friedland Convex spectral functions . . . . . . . 299--316 David London On the \Dbarokovi\'c conjecture for matrices of rank two . . . . . . . . . . 317--327 M.-D. Choi and C. Laurie and H. Radjavi On commutators and invariant subspaces 329--340 Jorma Kaarlo Merikoski Lower bounds for $ || A ||_2 $ by Hölder norms . . . . . . . . . . . . . . . . . 341--344 W.-H Steeba and F. Wilhelm Exponential functions of Kronecker products and trace calculation . . . . . 345--346 E. Seneta Book Reviews . . . . . . . . . . . . . . 347--349 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Leiba Rodman On nonnegative invariant subspaces in indefinite scalar product spaces . . . . 1--14 A. M. Garsia and J. Remmel Symmetric functions and raising operators . . . . . . . . . . . . . . . 15--43 John de Pillis and Michael Neumann A noncommutative spectral theorem for operator-entried companion matrices . . 45--51 George R. Sell A characterization of finite dimensional translation invariant spaces . . . . . . 53--57 Robert E. Hartwig A note on rank-additivity . . . . . . . 59--61 Stephen L. Campbell and George D. Poole Convergent regular splittings for nonnegative matrices . . . . . . . . . . 63--73 R. Kittappa Proof of a Conjecture of 1881 on Permanents . . . . . . . . . . . . . . . 75--82 Roy B. Leipnik Book Review . . . . . . . . . . . . . . 83--83 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Miroslav Fiedler Minimal polynomial and the rank of principal submatrices of a matrix . . . 85--88 R. Westwick A representation theorem for real or complex bivectors . . . . . . . . . . . 89--91 S. G. Williamson Symmetry operators, polarizations, and a generalized Capelli identity . . . . . . 93--102 T. H. Pate An Extension of an Inequality Involving Symmetric Products with an Application to Permanents . . . . . . . . . . . . . 103--105 Richard Sinkhorn Concerning the Magnitude of the Entries in a Doubly Stochastic Matrix . . . . . 107--112 Charles R. Johnson Row Stochastic Matrices Similar to Doubly Stochastic Matrices . . . . . . . 113--130 David Ross Richman Matrices which Commute with their Transposes over a Field of Characteristic Two . . . . . . . . . . . 131--140 William H. Gustafson and Marion E. Moore and Irving Reiner Matrix Completions Over Dedekind Rings 141--144 K. P. S. Bhaskara Rao On Generalized Inverses of Matrices over Principal Ideal Rings . . . . . . . . . 145--154 M. E. Fernandes Miranda Note on the Characteristic Values and the Three Types of Singular Values of a Complex Matrix . . . . . . . . . . . . . 155--161 R. C. Thompson Short Book Reviews . . . . . . . . . . . 163--164 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Klaus Hulek A remark on certain matrix varieties . . 169--172 Nam-Kiu Tsing On the shape of the generalized numerical ranges . . . . . . . . . . . . 173--182 R. Westwick Real trivectors of rank seven . . . . . 183--204 D. J. Hartfiel How a row change in a stochastic matrix affects the corresponding stochastic eigenvector . . . . . . . . . . . . . . 205--216 Richard Sinkhorn A neighborhood in which the van der Waerden permanent conjecture is valid 217--221 Philippe Revoy Remarques sur la forme trace . . . . . . 223--233 L. Elsner and P. Rózsa On eigenvectors and adjoints of modified matrices . . . . . . . . . . . . . . . . 235--247 William H. Gustafson On matrix similarity over commutative rings . . . . . . . . . . . . . . . . . 249--252 Don Rawlings The $ (q r)$-Simon Newcomb problem . . . 253--260 K. Y. Fan Book Review . . . . . . . . . . . . . . 261--262 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
M. G. Krein and M. A. Naimark The method of symmetric and Hermitian forms in the theory of the separation of the roots of algebraic equations . . . . 265--308 Olga Taussky Composition of binary integral quadratic forms via integral $ 2 \times 2 $ matrices and composition of matrix classes . . . . . . . . . . . . . . . . 309--318 E. C. Johnson Real essentially stochastic matrices: factorizations into special elementary matrices . . . . . . . . . . . . . . . . 319--328 A. Duane Porter and Nick Mousouris Partitions of a symmetric matrix over a finite field . . . . . . . . . . . . . . 329--341 Clemens Lautemann Linear transformations on matrices: rank preservers and determinant preservers (Note) . . . . . . . . . . . . . . . . . 343--345 D. G. James Linear transformations of the second elementary function . . . . . . . . . . 347--349 R. C. Thompson Short Book Reviews . . . . . . . . . . . 353--354 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Thomas H. Pate Inequalities relating groups of diagonal products in a gram matrix . . . . . . . 1--17 William Watkins Linear transformations that preserve a similarity class of matrices . . . . . . 19--22 Leory B. Beasley and Larry J. Cummings Multiplicative properties of generalized matrix functions . . . . . . . . . . . . 23--31 Michael Clausen A straightening formula for bipermanents 33--38 Paul R. Stein On an identity from classical invariant theory . . . . . . . . . . . . . . . . . 39--44 J. B. Remmel Bijective proofs of formulae for the number of standard Yound tableaux . . . 45--100 Anonymous Research Problem . . . . . . . . . . . . 101--102 R. C. Thompson Short Book Reviews . . . . . . . . . . . 103--104
Marvin Marcus Editorial Note . . . . . . . . . . . . . 105--106 Shmuel Friedland A proof of a generalized van der Waerden conjecture on permanents . . . . . . . . 107--120 Henryk Minc Inverse elementary divisors problem for doubly stochastic matrices . . . . . . . 121--131 Russell Merris Representations of $ {\rm GL}(n, R) $ and generalized matrix functions of class MPW . . . . . . . . . . . . . . . 133--141 Richard A. Brualdi Matrices eigenvalues, and directed graphs . . . . . . . . . . . . . . . . . 143--165 Charles A. Akemann and Joel Anderson and Gertk Pedersen Triangle inequalities in operator algebras . . . . . . . . . . . . . . . . 167--178 Frank Uhlig A note on semibounded pairs of inner products . . . . . . . . . . . . . . . . 179--181 Mohan S. Putcha and Adil Yaqub Matrix semigroups closed under scalar translations . . . . . . . . . . . . . . 183--187 Michael K. Mahoney Determinants of integral group matrices for some nonabelian $2$-generator groups 189--201 Larry J. Gerstein On the proper spinor genus of a quadratic form . . . . . . . . . . . . . 203--208
I. Gohberg and P. Lancaster and L. Rodman Factorization of selfadjoint matrix polynomials with constant signature . . 209--224 Yih T. Tsay and Leang S. Shieh and R. E. Yates and S. Barnett Block partial fraction expansion of a rational matrix . . . . . . . . . . . . 225--241 Marvin Marcus and Markus Sandy Three elementary proofs of the Goldberg--Straus theorem on numerical radii . . . . . . . . . . . . . . . . . 243--252 P. R. Vein Persymmetric determinants: The derivatives of determinants with Appell function elements . . . . . . . . . . . 253--265 P. R. Vein Persymmetric determinants: Families of distinct submatrices with non-distinct determinants . . . . . . . . . . . . . . 267--276 Marvin Marcus and John Chollet The index of a symmetry class of tensors 277--281 John Chollet On principal submatrices . . . . . . . . 283--285 Marvin Marcus A remark on the preceding paper . . . . 287--287 Bo-Ying Wang Some necessary and sufficient conditions satisfied by decomposable tensors in Grassmann spaces . . . . . . . . . . . . 289--299 Anonymous Research problems . . . . . . . . . . . 301--301 R. C. Thomson Short book review . . . . . . . . . . . 303--303
P. R. Vein Persymmetric determinants 3: a basic determinant . . . . . . . . . . . . . . 305--315 Marvin Marcus and Markus Sandy The $G$-bilinear range . . . . . . . . . 317--332 Charles R. Johnson Bayesian deduction of marginal from conditional probabilities . . . . . . . 333--350 Paul Knopp and Richard Sinkhorn Minimum permanents of doubly stochastic matrices with at least one zero entry 351--355 Richard Sinkhorn Some problems and results concerning the spectrums of stochastic matrices . . . . 357--361 Morris Newman A result about determinantal divisors 363--366 Henryk Minc A note on Egory\vcev's proof of the van der Waerden conjecture . . . . . . . . . 367--371 R. C. Thompson Research Problem . . . . . . . . . . . . 373--373 R. C. Thompson Short book review . . . . . . . . . . . 375--375
Steven Roman Operational formulas . . . . . . . . . . 1--20 Warren Dicks and Edward Formanek Poincaré series and a problem of S. Montgomery . . . . . . . . . . . . . . . 21--30 B. R. McDonald A characterization of the determinant 31--36 Mohan S. Putcha The group of units of a connected algebraic monoid . . . . . . . . . . . . 37--50 Angelika Bunse-Gerstner On the similarity transformation to tridiagonal form . . . . . . . . . . . . 51--56 Leon Kotin and Irving J. Epstein On matrices which commute with their derivatives . . . . . . . . . . . . . . 57--72 R. C. Thompson Short book review . . . . . . . . . . . 73--74 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Anonymous Editorial Note . . . . . . . . . . . . . 79--79 Shmuel Friedland Variation of tensor powers and spectra 81--98 Charles R. Johnson Some outstanding problems in the theory of matrices . . . . . . . . . . . . . . 99--108 M. H. Lim Linear mappings on symmetry classes of tensors . . . . . . . . . . . . . . . . 109--123 G. N. De Oliveira Matrices with prescribed submatrices . . 125--138 John De Pillis Stand-alone results and applications in multilinear algebra . . . . . . . . . . 139--151 R. C. Thompson Short book review . . . . . . . . . . . 155--156 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Anonymous Editorial note . . . . . . . . . . . . . 157--157 I. Gohberg and M. A. Kaashoek and L. Lerer and L. Rodman Common multiples and common divisors of matrix polynomials, II. Vandermonde and resultant matrices . . . . . . . . . . . 159--203 Mohan S. Putcha Green's relations on a connected algebraic monoid . . . . . . . . . . . . 205--214 Richard Sinkhorn Linear adjugate preservers on the complex matrices . . . . . . . . . . . . 215--222 Morris Newman Similarity over $ {\rm SL}(n, F) $ . . . 223--226 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Henryk Minc Theory of permanents 1978--1981 . . . . 227--263 Thomas Pate On those symmetric multilinear functions that are expressible as a linear combination of a small number of linearly independent powers . . . . . . 265--272 Leroy B. Beasley Generalized matrix functions of class MPW . . . . . . . . . . . . . . . . . . 273--280 R. M. Guralnick On an identity of Schur . . . . . . . . 281--284 Moshe Goldberg On the mapping $ A \to A^+ $ . . . . . . 285--289 Morris Newman On a problem of H. J. Ryser . . . . . . 291--293 Ky Fan Iteration of analytic functions of operators. II . . . . . . . . . . . . . 295--304 Roy B. Leipnik Extension of Newman's formula for the Sylvester equation to the generic case 305--309 Charles A. Akemann Subalgebras and right ideals in matrix algebras . . . . . . . . . . . . . . . . 311--313 Russell Merris Generalized matrix functions and pattern inventory . . . . . . . . . . . . . . . 315--327 P. R. Vein Persymmetric determinants 4. An alternative form of the Yamazaki--Hori determinantal solution of the Ernst equation . . . . . . . . . . . . . . . . 329--339 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Anonymous Editorial Note . . . . . . . . . . . . . 1--1 Dragomir \vZ. \Dbarokovi\'c Classification of trivectors of an eight-dimensional real vector space . . 3--39 S. Simons Measurable relations, pentagonal arrays and the determinants of probabilistic integrals . . . . . . . . . . . . . . . 41--66 Daniel Hershkowitz and Abraham Berman Necessary conditions and a sufficient condition for the Fischer--Hadamard inequalities . . . . . . . . . . . . . . 67--72 Richard Bellman On the calculation of matrix exponential 73--79 R. C. Thompson Short Book Review . . . . . . . . . . . 83--85 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Leroy B. Beasley Generalized matrix functions of class MPW, II . . . . . . . . . . . . . . . . 87--95 Massoud Malek-Shahmirzadi A characterization of certain classes of matrix norms . . . . . . . . . . . . . . 97--99 V. R. Karanam On lower bounds for singular values of matrix sums . . . . . . . . . . . . . . 101--103 William C. Waterhouse Invertibility of linear maps preserving matrix invariants . . . . . . . . . . . 105--113 Derek K. Chang A note on a conjecture of M. Marcus and H. Minc . . . . . . . . . . . . . . . . 115--117 Kiem-Phong Vo Segment graphs, depth-first cycle bases, $3$-connectivity, and planarity of graphs . . . . . . . . . . . . . . . . . 119--141 Kiem-Phong Vo Finding triconnected components of graphs . . . . . . . . . . . . . . . . . 143--165 Robert Guralnick and Charles Lanski The rank of a commutator . . . . . . . . 167--175 Anonymous Research problem . . . . . . . . . . . . 177--178 Charles R. Johnson Book review . . . . . . . . . . . . . . 179--181 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Anonymous Editorial note . . . . . . . . . . . . . 183--183 Miroslav Fiedler and Hans Schneider Analytic functions of $M$-matrices and generalizations . . . . . . . . . . . . 185--201 Ivan Singer Abstract Pontryagin maximum principles for linear systems . . . . . . . . . . . 203--219 C. S. Ballantine and R. Loewy Self-duality results for unitary and Hermitian matrices . . . . . . . . . . . 221--230 M. D. Atkinson and R. Westwick Spaces of linear transformations of equal rank . . . . . . . . . . . . . . . 231--239 George W. Soules Constructing symmetric nonnegative matrices . . . . . . . . . . . . . . . . 241--251 Marvin Marcus and John Chollet On the equality of decomposable symmetrized tensors . . . . . . . . . . 253--266 Hidetoshi Komiya and Wataru Takahashi Systems of linear inequalities on normed linear spaces . . . . . . . . . . . . . 267--279 Simeon Reich A limit theorem for projections . . . . 281--290 Anonymous Book review . . . . . . . . . . . . . . 293--294 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Robert E. Hartwig and Klaus Spindelböck Partial isometries, contractions and EP matrices . . . . . . . . . . . . . . . . 295--310 Arnold R. Kräuter and Norbert Seifter On convertible $ (0, 1)$-matrices . . . 311--322 Robert E. Hartwig and Klaus Spindelböck Some closed form formulae for the intersection of two special matrices under the star order . . . . . . . . . . 323--331 Kiem-Phong Vo Determining outerplanarity using segment graphs . . . . . . . . . . . . . . . . . 333--343 Fred C. Barnett and James R. Weaver and J. S. Frame Eigenvalues and eigenvectors of a certain stochastic matrix . . . . . . . 345--350 James R. Weaver Eigenvalues and eigenvectors of a certain stochastic matrix II . . . . . . 351--355 D. B. Hunter The construction of irreducible normalized representations of the general linear group . . . . . . . . . . 357--366 R. J. Webster The harmonic means of diagonals of doubly-stochastic matrices . . . . . . . 367--369 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
G. H. Chan and M. M. Lim Linear transformations on tensor spaces 3--9 John Howard Smith Schur complements and LDU decomposition in an additive category . . . . . . . . 11--19 Russell Merris Single-hook characters and Hamiltonian circuits . . . . . . . . . . . . . . . . 21--35 David London An inequality for the spectral norm of certain matrices . . . . . . . . . . . . 37--44 S. Barnett and M. J. C. Gover Some extensions of Hankel and Toeplitz matrices . . . . . . . . . . . . . . . . 45--65 Jan R. Magnus L-structured matrices and linear matrix equations . . . . . . . . . . . . . . . 67--88 Jerzy K. Baksalary and Radoslaw Kala Range invariance of certain matrix products . . . . . . . . . . . . . . . . 89--96 Gregory L. Wilson Three enumeration problems for a congruence equation . . . . . . . . . . 97--110 J. H. Humphreys Book review . . . . . . . . . . . . . . 111--112 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Harold V. Henderson and Friedrich Pukelsheim and Shayle R. Searle On the history of the Kronecker product 113--120 James Lucien Howland Further ways to approximate the exponential of a matrix . . . . . . . . 121--129 P. R. Vein Persymmetric determinants 5. Families of overlapping coaxial equivalent determinants . . . . . . . . . . . . . . 131--141 Moshe Goldberg and E. G. Staraus On generalizations of the Perron--Frobenius theorem . . . . . . . 143--156 G. N. De Oliveira and Ana P. Santana and J. A. Dias Da Silva Note on the equality of star products 157--163 Jean Gordon Applications of the Grassmann algebra to coding theory . . . . . . . . . . . . . 165--177 Nam-Kiu Tsin Diameter and minimal width of the numerical range . . . . . . . . . . . . 179--185 Z. Deretsky On the symmetry of the Smith normal form for $ (\upsilon, k, \lambda) $ designs 187--193 Stephen L. Campbell The Drazin inverse and systems of second order linear differential equations . . 195--198 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
J. S. Lomont and M. S. Cheena A multilinearity property of determinant functions . . . . . . . . . . . . . . . 199--223 Don Hadwin Algebraically reflexive linear transformations . . . . . . . . . . . . 225--233 Yik-Hoi Au-Yeung and Nam-Kiu Tsing A conjecture of Marcus on the generalized numerical range . . . . . . 235--239 Robert E. Hartwig and Klaus Spindelböck Matrices for which $ A^* $ and $ A^+ $ commute . . . . . . . . . . . . . . . . 241--256 Barbu C. Kestenband Partitions of finite affine geometries into caps . . . . . . . . . . . . . . . 257--270 H. Neudecker On Jacobians of transformations with skew-symmetric, strictly (lower) triangular or diagonal matrix arguments 271--295 R. W. K. Odoni Some remarks on the values taken by abelian group determinants . . . . . . . 297--303 M. Marcus and R. C. Thompson Short book review . . . . . . . . . . . 305--305 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Thomas J. Laffey Products of idempotent matrices . . . . 309--314 Daniel Hershkowitz Existence of matrices with prescribed eigenvalues and entries . . . . . . . . 315--342 E. Seneta Spectrum localization by ergodicity coefficients for stochastic matrices . . 343--347 Derek K. Chang Notes on permanents of doubly stochastic matrices . . . . . . . . . . . . . . . . 349--356 Massoud Malek-Shahmirzadi and Kunio Oshima On certain classes of matrix norms . . . 357--363 George Phillip Barker and Stephen L. Campbell Internal stability of two dimensional systems . . . . . . . . . . . . . . . . 365--369 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Marvin Marcus and Robert C. Thompson \booktitleLinear and Multilinear Algebra 2--2 Yik-Hoi Au-yeung and Nam-Kiu Tsing Some theorems on the generalized numerical ranges . . . . . . . . . . . . 3--11 Michael Neumann On bounds for the convergence of the SSOR method for $H$-matrices . . . . . . 13--21 Chi Song Wong and Joseph C. Masaro $A$-optimal design matrices $ X = (x_{ij})_{N \times n}$ with $ x_{ij} = - 1, 0, 1$ . . . . . . . . . . . . . . . . 23--46 Charles K. Chui Design and analysis of linear predictor-corrector digital filters . . 47--69 Rajendra Bhatia and Chandler Davis A bound for the spectral variation of a unitary operator . . . . . . . . . . . . 71--76 David Carlson and Eduardo Marques De Sá Generalized minimax and interlacing theorems . . . . . . . . . . . . . . . . 77--103
Thomas J. Laffey A characterisation of full matrix algebras . . . . . . . . . . . . . . . . 105--108 Sergey Yuzvinsky A series of monomial pairings . . . . . 109--119 S. K. Jain and L. E. Snyder Linear systems having nonnegative least squares solution . . . . . . . . . . . . 121--132 E. Bender and G. Viennot and S. G. Williamson Global analysis of the delete-contract recursion for graphs and matroids . . . 133--160 Azaria Paz An application of the Cayley--Hamilton theorem to matrix polynomials in several variables . . . . . . . . . . . . . . . 161--170 Hilkka Kankaanpää and Jorma Kaarlo Merikoski On a conjecture of D. London . . . . . . 171--173 Leroy B. Beasley Generalized matrix functions of class MPW, III . . . . . . . . . . . . . . . . 175--186 K. Fan Book review . . . . . . . . . . . . . . 189--190 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
D. J. Hartfiel An ergodic result for the limit of a sequence of substochastic products $ x A_1 \ldots {} A_k $ . . . . . . . . . . 193--205 Arnold R. Kräuter and Norbert Seifter Some properties of the permanent of $ (1, - 1)$-matrices . . . . . . . . . . . 207--223 Henryk Minc Minimum permanents of doubly stochastic matrices with prescribed zero entries 225--243 Martin H. Pearl Automorphic transformations of an arbitrary matrix . . . . . . . . . . . . 245--256 F. Conceição Silva On a conjecture about rational valued characters . . . . . . . . . . . . . . . 257--263 K. F. Clancey and B. A. Kon The Bezoutian and the algebraic Riccati equation . . . . . . . . . . . . . . . . 265--278 Anonymous Research problems . . . . . . . . . . . 279--280 William C. Waterhouse Book review . . . . . . . . . . . . . . 281--283 Hsin Chu On the exponential map of Borel subgroups in a semi-simple Lie group . . 285--312 Derek. K. Chang Minimum permanents of doubly stochastic matrices with One fixed entry . . . . . 313--317 Hans Joachim Werner On extensions of Cramer's rule for solutions of restricted linear systems 319--330 Marvin Marcus and Kent Kidman and Markus Sandy Products of elementary doubly stochastic matrices . . . . . . . . . . . . . . . . 331--340 Derek K. Chang A note on a conjecture of T. H. Foregger 341--344 Anonymous Research problems . . . . . . . . . . . 345--350 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Anonymous Editorial Note . . . . . . . . . . . . . 1--1 Richard P. Stanley The stable behavior of some characters of SL . . . . . . . . . . . . . . . . . 3--27 Charles R. Johnson and D. D. Olesky and P. van den Driessche $M$-matrix products having positive principal minors . . . . . . . . . . . . 29--38 Wayne E. Dick Discrete characterizations of planarity part I: the classical viewpoint . . . . 39--65 Richard Sinkhorn Generalized self adjointness in the complex doubly stochastic matrices . . . 67--73 Jeffrey B. Remmel and Roger Whitney A bijective proof of the generating function for the number of reverse plane partitions via lattice paths . . . . . . 75--91 Yik-Hoi Au-Yeung On the convexity of numerical range in quaternionic Hilbert spaces . . . . . . 93--100 Volker Mehrmann On some conjectures on the spectra of $ \tau $-matrices . . . . . . . . . . . . 101--112 George E. Trapp Hermitian semidefinite matrix means and related matrix inequalities --- an introduction . . . . . . . . . . . . . . 113--123 Björn Holmquist On the leading principal minors of direct products . . . . . . . . . . . . 125--127 L. Grunenfelder and R. Paré and H. Radjavi On a commutator theorem of Robert C. Thompson . . . . . . . . . . . . . . . . 129--131 Jerzy K. Baksalary Nonnegative definite and positive definite solutions to the matrix equation \boldmath $ A X A^* = B $ . . . 133--139 William C. Waterhouse Similarity of matrices under $ {\rm SL}(n, K) $ . . . . . . . . . . . . . . 141--145 Miroslav Fiedler On a conjecture of P. R. Vein and its generalization . . . . . . . . . . . . . 147--154 D. J. Hartfiel and Raphael Loewy A determinantal version of the Frobenius--König theorem . . . . . . . . 155--165 Richard Sinkhorn A problem related to the van der Waerden permanent theorem . . . . . . . . . . . 167--173 Charles R. Johnson The least real part eigenvalue and principal submatrices . . . . . . . . . 175--177 Charles R. Johnson and Leiba Rodman Inertia possibilities for completions of partial Hermitian matrices . . . . . . . 179--195 Marvin Marcus and Kent Kidman and Markus Sandy Unitarily invariant generalized matrix norms and Hadamard products . . . . . . 197--213 Chi-Kwong Li and Tin-Yau Tam and Nam-Kiu Tsing The generalized spectral radius, numerical radius and spectral norm . . . 215--237 D. Huylebrouck and R. Puystjens and J. Van Geel The Moore--Penrose inverse of a matrix over a semi-simple artinian ring . . . . 239--246 Ricardo Baeza On the Arf invariant of quadratic forms and of knots . . . . . . . . . . . . . . 247--252 Thomas H. Pate Hypersurfaces containing flat subspaces 253--259 Graciano De Oliveira Research problems . . . . . . . . . . . 261--262 M. D. Atkinson A problem of Westwick on $k$-spaces . . 263--273 Grace Orzech Several versions of the resultant of two polynomials . . . . . . . . . . . . . . 275--282 Shmuel Friedland Stable convex sets of matrices . . . . . 285--294 Marvin Marcus An exponential group . . . . . . . . . . 295--296 Chi-Kwong Li A note on Miranda's results about the characteristic values and the three types of singular values of a complex matrix . . . . . . . . . . . . . . . . . 297--303 Bob Grone and Charles R. Johnson and Eduardo Marques De Sá and Henry Wolkowicz Improving Hadamard's inequality . . . . 305--322 L. H. Harper Morphisms for the strong Sperner property of Stanley and Griggs . . . . . 323--337 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Donald E. Knuth Semi-optimal bases for linear dependencies . . . . . . . . . . . . . . 1--4 Richard A. Brualdi An interesting face of the polytope of doubly stochastic matrices . . . . . . . 5--18 Jürgen Garloff An inverse eigenvalue problem for totally nonnegative matrices . . . . . . 19--23 Harald K. Wimmer On a weighted mean inequality for nonnegative symmetric matrices . . . . . 25--27 J. W. Helton and L. Rodman Signature preserving linear maps of Hermitian matrices . . . . . . . . . . . 29--37 Emmanuel Preissmann On the norm of the matrix $ (e (x_r y_s)) $ . . . . . . . . . . . . . . . . 39--40 Paul A. Kaschube Determining when a graphic matroid is transversal in linear time . . . . . . . 41--83 Olga Taussky-Todd Research problems . . . . . . . . . . . 85--85
David Carlson and Raphael Loewy On equality of maps induced by tensor and symmetric products . . . . . . . . . 87--100 William C. Waterhouse On linear transformations preserving rank one matrices over commutative rings 101--106 Tin-Yau Tam Note on a paper of Thompson: the congruence numerical range . . . . . . . 107--115 Björn Holmquist The direct product permuting matrices 117--141 Michael Neumann and Ronald J. Stern Boundary results for positively invariant cones and their reachability cones . . . . . . . . . . . . . . . . . 143--154 Rajendra Bhatia and Chandler Davis Concavity of certain functions of matrices . . . . . . . . . . . . . . . . 155--164 Charles R. Johnson and David London On an eigenvalue localization problem 165--168 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
M. A. Geraghty and Bor-Luh Lin Minimax theorems without linear structure . . . . . . . . . . . . . . . 171--180 P. Lancaster and J. Maroulas The kernel of the Bezoutian for operator Polynomials . . . . . . . . . . . . . . 181--201 Daniel Hershkowitz and Hans Schneider Scalings of vector spaces and the uniqueness of Lyapunov scaling factors 203--226 A. D. S. Goncalves and J. F. C. Machado and G. N. De Oliveira Vectors with a prescribed minimal polynomial . . . . . . . . . . . . . . . 227--234 Adrian R. Wadsworth Discriminants in characteristic two . . 235--263 Chen-Jung Hsu On a theorem of M. Kobayashi . . . . . . 265--269 Yoo Pyo Hong and Roger A. Horn On simultaneous reduction of families of matrices to triangular or diagonal form by unitary congruences . . . . . . . . . 271--288 David R. Richman Matrices as sums of squares: a conjecture of Griffin and Krusemeyer . . 289--294 William N. Anderson, Jr. and E. James Harner and George E. Trapp Eigenvalues of the difference and product of projections . . . . . . . . . 295--299 L. B. Beasley and L. J. Cummings Test sets for generalized matrix functions . . . . . . . . . . . . . . . 301--307 A. Duane Porter and Nick Mousouris Partitions of a skew matrix over a finite field . . . . . . . . . . . . . . 309--323 Joseph P. McCloskey Properties of normal $r$-potent matrices 325--336 Willian F. Trench On the eigenvalue problem for Toeplitz matrices generated by rational functions 337--353 P. Zellini Algebraic and computational properties of a set of $ (0, 1) $ matrices with prescribed sum . . . . . . . . . . . . . 355--373 S. Pierce Elementary Symmetric Functions . . . . . 375--375 Morris Newman Similarity over $ {\rm Sp}(2 n, Z) $ . . 377--378 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Shmuel Friedland Maximality of the monomial group . . . . 1--7 Hilkka Kankaanpää and Jorma Kaarlo Merikoski Two inequalities for the sum of elements of a matrix . . . . . . . . . . . . . . 9--22 Charles R. Johnson and Thomas L. Markham Compression and Hadamard power inequalities . . . . . . . . . . . . . . 23--34 Kiem-Phong Vo and Wayne E. Dick and S. Gill Williamson Ranking and unranking planar embeddings 35--65 Charles R. Johnson and D. D. Olesky and P. van den Driessche Stability of $m$-matrix products . . . . 67--76 Joáo Filipe Queiró and António Leal Duarte On the Cartesian decomposition of a matrix . . . . . . . . . . . . . . . . . 77--85 R. C. Thompson Research problem . . . . . . . . . . . . 87--88 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
David Gay and Edgar Ascher On computing the polynomial invariants of a finite group . . . . . . . . . . . 91--116 Chi-Kwong Li On the extremal solutions for capacitated network problems . . . . . . 117--125 W. Hartmann On the complexity of immanants . . . . . 127--140 William N. Anderson, Jr. and Thomas D. Morley Eigenvalues of the Laplacian of a graph 141--145 Bob Grone An inequality for the second immanant 147--152 Dragos Cvetkovi\'c and Michael Doob Developments in the theory of graph spectra . . . . . . . . . . . . . . . . 153--181 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Marvin Marcus and Markus Sandy Ryser's permanent identity in the symmetric algebra . . . . . . . . . . . 183--196 William C. Waterhouse Circulant-style matrices closed under multiplication . . . . . . . . . . . . . 197--206 Morris Newman Generating sets for rings of algebraic integers . . . . . . . . . . . . . . . . 207--212 Jen-Chung chuan and Wai-Fong chuan Factorizations in a semigroup of integral matrices . . . . . . . . . . . 213--223 N. Chondros and J. Maroulas Decomposition of a rational matrix into partial fractions . . . . . . . . . . . 225--248 Leroy B. Beasley The null space of spaces of singular matrices . . . . . . . . . . . . . . . . 249--254 P. Fillmore and C. Laurie and H. Radjavi On matrix spaces with zero determinant 255--266 A. V. Skorohod Book review . . . . . . . . . . . . . . 267--269 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Suk Geun Hwang Minimum permanent on faces of staircase type of the polytope of doubly stochastic matrices . . . . . . . . . . 271--306 M. S. Ramanujan and E. Schock Operator ideals and spaces of bilinear operators . . . . . . . . . . . . . . . 307--318 Binyamin Schwarz and Abraham Zaks On the embeddings of projective spaces in lines . . . . . . . . . . . . . . . . 319--336 Marvin Marcus and Markus Sandy Singular values and numerical radii . . 337--353 Anonymous Research problem . . . . . . . . . . . . 355--356 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
G. H. Chan and M. H. Lim Nonzero symmetry classes of smallest dimension corresponding to intransitive groups . . . . . . . . . . . . . . . . . 1--10 Tin-Yau Tam On the generalized radial matrices and a conjecture of Marcus and Sandy . . . . . 11--20 Charles R. Johnson and Stephen Pierce Linear maps on Hermitian matrices: the stabilizer of an inertia class, II . . . 21--31 Mark Stephen Mummy The generalized column incidence graph and a matroid base-listing algorithm . . 33--49 Alexander Kovacec A generalization of a theorem of König 51--56 David London and Binyamin Schwarz and Abraham Zaks Bounds for the spectral norm of certain matrices . . . . . . . . . . . . . . . . 57--66 John A. Howell Spans in the module $ (Z_m)^s $ . . . . 67--77 Frank Gerth III Limit probabilities for coranks of matrices over $ {\rm GF}(q) $ . . . . . 79--93
Mark Stephen Mummy Full transversal matroids, strict gammoids, and the matroid components problem . . . . . . . . . . . . . . . . 97--116 Tin-yau Tam On the generalized $m$ th decomposable numerical radius on symmetry classes of tensors . . . . . . . . . . . . . . . . 117--132 Marvin Marcus and John Chollet Construction of orthonormal bases in higher symmetry classes of tensors . . . 133--140 A. R. Sourour A factorization theorem for matrices . . 141--147 G. H. Chan and M. H. Lim Nonzero symmetry classes of smallest dimension corresponding to transitive groups . . . . . . . . . . . . . . . . . 149--165 Robert Grone and Russell Merris and William Watkins A Hadamard dominance theorem for a class of immanants . . . . . . . . . . . . . . 167--171 Robert C. Thompson Sums of integral matrices . . . . . . . 173--186 Robert C. Thompson Proof of a conjectured exponential formula . . . . . . . . . . . . . . . . 187--197 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Richard A. Brualdi and D. J. Hartfiel and Suk-Geun Hwang On assignment functions . . . . . . . . 203--219 Mark Stephen Mummy Strict matching matroids and matroid algorithms . . . . . . . . . . . . . . . 221--247 Natália Bebiano Nondifferentiabie points of $ \partial W_c(A) $ . . . . . . . . . . . . . . . . 249--257 Jacob T. B. Beard Jr. Similarity over $F$ [x] . . . . . . . . 259--265 Jane M. Day and Melvin Henriksen Iterative solutions of systems of linear equations whose coefficient matrix is positive real . . . . . . . . . . . . . 267--285 Robert C. Thompson Left multiples and right divisors of integral matrices . . . . . . . . . . . 287--295 P. R. Halmos Extensions and approximations . . . . . 297--298 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Allan Berele Construction of Sp-modules by tableaux 299--307 Mau-Hsiang Shih and Kok-Keong Tan Covering theorems of simplexes and systems of linear inequalities . . . . . 309--320 Joy P. Fillmore and S. Gill Williamson Permanents and determinants with generic noncommuting entries . . . . . . . . . . 321--334 Antonín Vrba Principal subpermanents of the Laplacian matrix . . . . . . . . . . . . . . . . . 335--346 Massoud Malek On the maximum of $ {\rm per}(I - A) $ 347--355 Hans Joachim Werner Generalized inversion and weak bi-complementarity . . . . . . . . . . . 357--372 J. V. Brawley Vandermonde independent matrices, basic sets, and polynomial matrix functions over a finite field . . . . . . . . . . 373--386 W. D. Wallis Embedding matrices in Hadamard matrices 387--388 Robert Grone and Charles R. Johnson and Eduardo Marques de Sá and Henry Wolkowicz A note on maximizing the permanent of a positive definite Hermitian matrix, given the eigenvalues . . . . . . . . . 389--393 Thomas H. Foregger and Richard Sinkhorn On matrices minimizing the permanent on faces of the polyhedron of the doubly stochastic matrices . . . . . . . . . . 395--397 Morris Newman and Robert C. Thompson Invariant factors and generalized Schur matrices . . . . . . . . . . . . . . . . 399--404 Anonymous Research problem . . . . . . . . . . . . 405--405 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Leonid N. Vaserstein Every integral matrix is the sum of three squares . . . . . . . . . . . . . 1--4 Chi-Kwong Li The $c$-spectral $c$-radial and $c$-convex matrices . . . . . . . . . . 5--15 D. B. Hunter The kernels of irreducible representations of the general linear group . . . . . . . . . . . . . . . . . 17--26 Joseph A. Ball and Israel Gohberg Pairs of shift invariant subspaces of matrices and noncanonical factorization 27--61 Thomas H. Pate Algebraic varieties in the symmetric algebra . . . . . . . . . . . . . . . . 63--74 William Watkins Littlewood's correspondence between Schur polynomials and immanants . . . . 75--86 William F. Trench On the eigenvalue problem for Toeplitz matrices generated by rational functions 87--87 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Roger A. Horn and Charles R. Johnson Hadamard and conventional submultiplicativity for unitarily invariant norms on matrices . . . . . . 91--106 Chi-Kwong Li and Nam-Kiu Tsing On the unitarily invariant norms and some related results . . . . . . . . . . 107--119 Marvin Marcus and Claire Pesce Computer generated numerical ranges and some resulting theorems . . . . . . . . 121--157 M. J. Piff Diagonals of doubly stochastic and equiponderant matrices . . . . . . . . . 159--165 Natália Bebiano and Jorma Kaarlo Merikoski and João Da Providência On a conjecture of G. N. de Oliveira on determinants . . . . . . . . . . . . . . 167--170 R. Westwick Spaces of matrices of fixed rank . . . . 171--174 Wen-Ting Tong On the spectral radius of matrices . . . 175--182 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Richard C. Wagner Cancellation of symmetric bilinear forms over Dedekind domains . . . . . . . . . 183--189 Shu-An Hu On the Marcus--Wang conjecture . . . . . 191--196 Peter Botta Linear maps preserving rank less than or equal to one . . . . . . . . . . . . . . 197--201 J. A. Dias Da Silva and Amélia Fonseca On the multilinearity partition of an irreducible character . . . . . . . . . 203--218 R. Loewy On determinants of nonprincipal submatrices of Hermitian matrices . . . 219--228 Wai-Yip Man The convexity of the generalized numerical range . . . . . . . . . . . . 229--245 Andrew J. Granville Matrices as the sum of four squares . . 247--251 S. Gill Williamson Generic common minor expansions . . . . 253--279 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Erich W. Ellers and Jerry Malzen Products of reflections in . . . . . . . 281--324 Richard A. Brujald and Moshe Katz An extremal problem concerning matrices of 0's and 1's . . . . . . . . . . . . . 325--331 Paris Pamfilos On the dimension of the image of a multilinear function . . . . . . . . . . 333--336 M. Rais The unitary group preserving maps (the infinite dimensional case) . . . . . . . 337--345 B. E. Rhoades Lower bounds for some matrices . . . . . 347--352 P. Lancaster and A. C. M. Ran and L. Rodman An existence and monotonicity theorem for the discrete algebraic matrix Riccati equation . . . . . . . . . . . . 353--361 J. M. S. Simões-Pereira A note on convexity and submatrices of distance matrices . . . . . . . . . . . 363--366 Arnold R. Kräuter On a theorem of M. Marcus and H. Minc and a little known expansion formula for permanents . . . . . . . . . . . . . . . 367--371 Chi-Kwong Li An inequality on elementary symmetric functions . . . . . . . . . . . . . . . 373--375 Thomas H. Foregger On the relative extrema of a linear combination of elementary symmetric functions . . . . . . . . . . . . . . . 377--385 Richard A. Bruatdi Reserch problem . . . . . . . . . . . . 387--388 David R. Richman Addendum to ``Matrices as sums of squares: a conjecture of Griffin and Krusemeyer'' . . . . . . . . . . . . . . 389--389 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Amitai Regev Sign trace identities . . . . . . . . . 1--28 Amitai Regev A combinatorial proof for an identity of Procesi of $ S_n $ characters . . . . . 29--39 W. H. Greub and J. R. Vanstone A basic identity in mixed exterior algebra . . . . . . . . . . . . . . . . 41--61 Chi-Kwong Li Linear operators preserving the higher numerical radius of matrices . . . . . . 63--73 Emeric Deutsch and Neumann Michael On the derivative of the Perron vector whose infinity norm is fixed . . . . . . 75--85 Peter M. Gibson Disproof of a conjecture on assignment functions . . . . . . . . . . . . . . . 87--89 Ohoe Kim and John Chollet and Ralf Brown and David Rauschenberg Orthonormal bases of symmetry classes with computer-generated examples . . . . 91--106 O. H. Kegel Book review . . . . . . . . . . . . . . 107--108 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Henryk Minc Theory of permanents 1982--1985 . . . . 109--148 Dipa Choudhury and Roger A. Horn An analog of the singular value decomposition for complex orthogonal equivalence . . . . . . . . . . . . . . 149--162 Seymour Lipschutz Revisiting matrix representations of the braid group . . . . . . . . . . . . . . 163--172 Moshe Goldberg Equivalence constants for $ l_p $ norms of matrices . . . . . . . . . . . . . . 173--179 David R. Richman A result about block Vandermonde matrices . . . . . . . . . . . . . . . . 181--189 Charn-Huen Kan A family of $ 2 \times 2 $ extreme matrices and a generalization of Clarkson's inequalities . . . . . . . . 191--199 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Robert Grone and Russell Merris A Hadamard inequality for the third and fourth immanants . . . . . . . . . . . . 201--209 R. B. Bapat Majorization and singular values . . . . 211--214 Charles R. Johnson and Stephen Pierce Permanental dominance of the normalized single-hook immanants on the positive semi-definite matrices . . . . . . . . . 215--229 D. J. Hartfiel Fully indecomposable and nearly decomposable matrices in $ \Omega (r, s) $ . . . . . . . . . . . . . . . . . . . 231--237 Antonio Pizarro Block matrices over a valuation ring . . 239--241 Hans Joachim Werner Some recent results on Drazin monotonicty of property $n$ martices . . 243--251 Yiu-Tung Poon and Nam-Kiu Tsing Inclusion relations between orthostochastic matrices and products of pinching matrices . . . . . . . . . . . 253--259 L. N. Vaserstein On the sum powers of matrices . . . . . 261--270 Carlton J. Maxson and Günter F. Pilz Simple subrings of matrix rings . . . . 271--275 Thomas H. Pate Lower bounds for polar and tensor ranks 277--287 William F. Trench Characteristic polynomials of symmetric rationally generated Toeplitz matrices 289--296 Jirí Holenda and Milos Schlegel Degrees of the invariant factors and the rank of principal submatrices of a matrix . . . . . . . . . . . . . . . . . 297--301 Chi-Kwong Li The $C$-convex matrices . . . . . . . . 303--312 M. K. H. Fan and A. L. Tits On the generalized numerical range . . . 313--320 Robert C. Thompson Research problem the matrix numerical range . . . . . . . . . . . . . . . . . 321--323 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Aloys Krieg The elementary divisor theory over the Hurwitz order of integral quaternions 325--344 T. Ando and Roger A. Horn and Charles R. Johnson The singular values of a Hadamard product: a basic inequality . . . . . . 345--365 Ernest L. Stitzinger The probability that a linear system is consistent . . . . . . . . . . . . . . . 367--371 Andrzej Pokrzywa Unitarily invariant class of matrices with powers without vanishing diagonal entries (with two figures) . . . . . . . 373--384 Marvin Marcus and Markus Sandy Vertex points in the numerical range of a derivation . . . . . . . . . . . . . . 385--394 Robert C. Thompson Invariant factors of integral quaternion matrices . . . . . . . . . . . . . . . . 395--417 Robert Grone and Russell Merris Research problems . . . . . . . . . . . 419--427 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
J. B. Remmel Computing cocharacters of sign trace identities . . . . . . . . . . . . . . . 1--14 Mohammad Q. Hailat Classification of rank $2$ GW-rootsystems . . . . . . . . . . . . . 15--26 Chi-Kwong Li and Nam-Kiu Tsing Linear operators that preserve the $c$-numerical range or radius of matrices . . . . . . . . . . . . . . . . 27--46 Chi-Kwong Li and Nam-Kiu Tsing Some isometries of rectangular complex matrices . . . . . . . . . . . . . . . . 47--53 R. B. Bapat Refining Schur's inequality using Schur complements . . . . . . . . . . . . . . 55--62 Shmuel Friedland and Chi-Kwong Li and Hans Schneider Additive decomposition of nonnegative matrices with applications to permanents and scaling . . . . . . . . . . . . . . 63--78 Thomas H. Foregger Permanents of convex combinations of doubly stochastic matrices . . . . . . . 79--90 Shmuel Friedland Research problems . . . . . . . . . . . 91--93 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
R. Bru and M. Neumann Nonnegative Jordan bases . . . . . . . . 95--109 Sue O. Hart and S. Gill Williamson Menus of Kuratowski subgraphs . . . . . 111--129 Luisa Carini The cocharacter sequence of the finite dimensional Grassmann algebra . . . . . 131--137 O. M. Di Vincenzo On the Kronecker product of $ S_n $-cocharacters for P.I. algebras . . . . 139--143 Natália Bebiano and Joáo Da Providencia On the boundary of the $C$-numerical range of a normal matrix . . . . . . . . 145--157 Moshe Haviv Error bounds on an approximation to the dominant eigenvector of a nonnegative matrix . . . . . . . . . . . . . . . . . 159--163 Daniel Hershkowitz and Dafna Shasha Cones of real positive semidefinite matrices associated with matrix stability . . . . . . . . . . . . . . . 165--181 Charles R. Johnson and Chi-Kwong Li Inequalities relating unitarily invariant norms and the numerical radius 183--191 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Mohammad Q. Hailat GW-rootsystems over fields of characteristic seven . . . . . . . . . . 193--205 Tin-Yau Tam On the numerical range of an induced power . . . . . . . . . . . . . . . . . 207--211 Wu Jun Theorems on the index of a symmetry class of tensors . . . . . . . . . . . . 213--225 M. A. Da Purificação Coelho A note on spherical function-induced subgroups . . . . . . . . . . . . . . . 227--231 Marvin Marcus and Markus Sandy Bessel's inequality in tensor space . . 233--249 Fernando Guzmán Two results on the path algebra of a directed graph . . . . . . . . . . . . . 251--253 Harald K. Wimmer A factorization of the generalized Bezoutian of polynomial matrices . . . . 255--261 Chung-Wei Ha An inequality for $M$-matrices . . . . . 263--267 D. Huylebrouck and R. Puystjens and J. Van Geel The Moore--Penrose inverse of a matrix over a semi-simple artinian ring with respect to an involution . . . . . . . . 269--276 Robert C. Thompson A divisibility nonrelation for the Smith invariants of a product of integral matrices . . . . . . . . . . . . . . . . 277--282 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Ky Fan A remark on orthogonality of eigenvectors . . . . . . . . . . . . . . 283--284 Charles R. Johnson and Thomas Laffey and Chi-Kwong Li Linear transformations on that preserve the Ky Fan $k$-norm and a remarkable special case when $ (n, k) = (4, 2)$ . . 285--298 Donald G. James Projective geometry over rings with stable range condition . . . . . . . . . 299--304 M. Teresa and F. Oliveira-Martins On homomorphisms between Weyl modules for hook partitions . . . . . . . . . . 305--323 Nir Cohen $ 2 \times 2 $ monic irreducible matrix polynomials . . . . . . . . . . . . . . 325--331 Chi-Kwong Li and Nam-Kiu Tsing Linear operators preserving the decomposable numerical radius . . . . . 333--341 Natália Bebiano and Yiu Tung Poon and Joâo Da Providência On $C$-det spectral and $C$-det-convex matrices . . . . . . . . . . . . . . . . 343--351 Chi-Kwong Li and Nam-Kiu Tsing Duality between some linear preservers problems: the invariance of the $c$-numerical range, the $c$-numerical radius and certain matrix sets . . . . . 353--362 Charles R. Johnson and P. van den Driessche Interpolation of $D$-stability and sign stability . . . . . . . . . . . . . . . 363--368 G. P. Barker Research problem . . . . . . . . . . . . 369--371 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
L. Elsner and Charles R. Johnson and J. A. Dias Da Silva The Perron root of a weighted geometric mean of nonnegative matrices . . . . . . 1--13 Robert L. Ellis and David C. Lay and Israel Gohberg On negative eigenvalues of selfadjoint eztensions of band matrices . . . . . . 15--25 David L. Powers Semiregular graphs and their algebra . . 27--37 Derek K. Chang Minimum and maximum permanents of certain doubly stochastic matrices . . . 39--44 Fernando C. Silva The eigenvalues of the sum of matrices with prescribed invariant polynomials, II . . . . . . . . . . . . . . . . . . . 45--49 Fernando C. Silva The rank of the difference of matrices with prescribed similarity classes . . . 51--58 Fernando C. Silva The rank of the difference of matrices with prescribed invariant factors . . . 59--63 Peter Heyfron Immant dominance orderings for hook partitions . . . . . . . . . . . . . . . 65--78 C. Eschenbach and C. R. Johnson Research prolems . . . . . . . . . . . . 79--80 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Richard A. Brualdi and T. S. Michael The class of $2$-multigraphs with a prescribed degree sequence . . . . . . . 81--102 Martin Epkenhans Trace forms of normal extensions over local fields . . . . . . . . . . . . . . 103--116 Ryszard Grz\ka\'slewicz Extremal structure of $ {\cal L}(l_m^2, l_n^p) $ . . . . . . . . . . . . . . . . 117--125 A. Giambruno and A. Valenti Nill-polynomials in rings . . . . . . . 127--134 Thomas H. Pate Permanental dominance and the Soules conjecture for certain right ideals in the group algebra . . . . . . . . . . . 135--149 Anonymous Book review . . . . . . . . . . . . . . 151--151 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Cam Van Tran Combinatorial properties of some classes of matrices over $ {\rm GF}(2) $ . . . . 153--166 Mustapha Romdhani Classification of real and complex nilpotent Lie algebras of dimension $7$ 167--189 Amélia Fonseca On the multilinearity partition of an irreducible character II . . . . . . . . 191--198 Owen J. Brison Alternating groups and a conjecture about rational valued characters . . . . 199--207 Chi-Kwong Li and Nam Kiu Tsing Norms that are invariant under unitary similarities and the $C$-numerical radii 209--222 Moshe Goldberg A note on monotonic and semi-monotonic matrix functions . . . . . . . . . . . . 223--226 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
William C. Waterhouse Two generators for the general linear groups over finite fields . . . . . . . 227--230 Amitai Regev From polynomial to formal identities . . 231--234 Shu-An Hu On Marcus--Wang's numerical range . . . 235--240 E. R. Canfield and S. G. Williamson A combinatorial study of straightening bases . . . . . . . . . . . . . . . . . 241--264 Demetrios G. Kaffes and Thomas Mathew and M. Bhaskara Rao and K. Subramanyam On the matrix convexity of the Moore--Penrose inverse and some applications . . . . . . . . . . . . . . 265--271 Kazuo Murota On the irreducibility of layered mixed matrices . . . . . . . . . . . . . . . . 273--288 David London and Henryk Minc On the permanent of doubly stochastic matrices with zero diagonal . . . . . . 289--300 Morris Newman and Wasin So and Robert C. Thompson Convergence domains for the Campbell--Baker--Hausdorff formula . . . 301--310 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
R. Bevilacqua and P. Zellini Closure, commutativity and minimal complexity of some spaces of matrices 1--25 Roland Freund and Thomas Huckle On $H$-contractions and the extension problem for Hermitian block Toeplitz matrices . . . . . . . . . . . . . . . . 27--37 Ion Zaballa Matrices with prescribed invariant factors and off-diagonal submatrices . . 39--54 I. Gohberg and M. A. Kaashoek and F. Van Schagen Eigenvalues of completions of submatrices . . . . . . . . . . . . . . 55--70 Massoud Malek A note on a permanental conjecture of M. Marcus and H. Minc . . . . . . . . . . . 71--73 Jeffrey L. Stuart Matrices whose powers are completely reducible $Z$-matrices . . . . . . . . . 75--83 Robert C. Thompson The matrix valued triangle inequality:quaternion version . . . . . 85--91 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Chi-Kwong Li and Nam-Kiu Tsing Distance to the convex hull of the unitary orbit with respect to unitary similarity invariant norms . . . . . . . 93--103 Yoopyo Hong and Roger A. Horn A characterization of unitary congruence 105--119 Fumio Kubo and Shuhei Wada Cyclic inequalities and discrete Fourier analysis . . . . . . . . . . . . . . . . 121--136 Marvin Marcus A unified exposition of some classical matrix theorems . . . . . . . . . . . . 137--147 Daniel Hershkowitz and Hans Schneider Height bases, level bases, and the equality of the height and the level characteristics of an $M$-matrix . . . . 149--171 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
W. E. Longstaff and H. Radjavi On the equation $ A B = B X $ in collections of matrices . . . . . . . . 173--184 Dale L. Zimmerman Block Toeplitz products of block Toeplitz matrices . . . . . . . . . . . 185--190 Dave Furth and Gerard Sierksma The rank and eigenvalues of main diagonal perturbed matrices . . . . . . 191--204 LeRoy B. Beasley and Norman J. Pullman Linear operators that strongly preserve primitivity . . . . . . . . . . . . . . 205--213 Peter M. Gibson On an iterative method for consistent linear Systems . . . . . . . . . . . . . 215--218 Marvin Marcus and Terence R. Smith A note on the determinants and eigenvalues of distance matrices . . . . 219--230 Chi Fai Chan Some more on a conjecture of Marcus and Wang . . . . . . . . . . . . . . . . . . 231--235 Fuzhen Zhang Notes on Hadamard products of matrices 237--242 John H. Drew and Charles R. Johnson The maximum permanent of a $3$-by-$3$ positive semidefinite matrix, given the eigenvalues . . . . . . . . . . . . . . 243--251 John H. Drew and Charles R. Johnson Counterexample to a conjecture of Mehta regarding permanental maximization . . . 253--254 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Chung-Wei Ha On the real parts of eigenvalues of a matrix . . . . . . . . . . . . . . . . . 255--256 G. T. Rublein On a conjecture of C. Johnson . . . . . 257--267 Marvin Marcus and John Chollet Lower bounds for the norms of decomposable symmetrized tensors . . . . 269--274 Chi-Kwong Li and Chen-Han Sung and Nam-Kiu Tsing $c$-convex matrices: characterizations, inclusion relations and normality . . . 275--287 Charles R. Johnson Research problem . . . . . . . . . . . . 289--290 Russell Merris An edge version of the matrix-tree theorem and the Wiener index . . . . . . 291--296 David Ruch Characterizations of compact bilinear maps . . . . . . . . . . . . . . . . . . 297--307 Martin Epkenhans Trace forms of normal extensions of algebraic number fields . . . . . . . . 309--320 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
D. R. Farenick The fundamental group of a unitary orbit 1--4 Charles R. Johnson The Robertson--Taussky inequality revisited . . . . . . . . . . . . . . . 5--8 Shwu Yeng and T. Lin and You-Feng Lin The $n$-dimensional Pythagorean theorem 9--13 Almira Karabeg Classification and detection of obstructions to planarity . . . . . . . 15--38 Roy Meshulam On $k$-spaces of real matrices . . . . . 39--41 Geraint Hughes A note on the shape of the generalized numerical range . . . . . . . . . . . . 43--47 B. C. Rhoades Lower bounds for some matrices, II . . . 49--58 Ömer E\ugecio\uglu and Jeffrey B. Remmel A combinatorial interpretation of the inverse Kostka matrix . . . . . . . . . 59--84 Miroslav Fiedler Absolute algebraic connectivity of trees 85--106 David London On matrices stochastically similar to matrices with equal diagonal elements 107--117 Chi-Kwong Li and Nam-Kiu Tsing Linear operators preserving unitarily invariant norms of matrices . . . . . . 119--132 Chi-Kwong Li and Nam-Kiu Tsing Linear operators preserving certain functions on singular values of matrices 133--143 Cam Van Tran Correction to ``Combinatiorial properties of some classes of matrices over $ {\rm GF}(2) $'' . . . . . . . . . 145--145 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Robert L. Ellis and David C. Lay Rank-preserving extensions of band matrices . . . . . . . . . . . . . . . . 147--179 Thomas J. Laffey and Raphael Loewy Linear transformations . . . . . . . . . 181--186 M. H. Lim Linear mappings on second symmetric product spaces that Preserve rank less than or equal to one . . . . . . . . . . 187--193 M. H. Lim Linear transformations on symmetry classes of tensors II . . . . . . . . . 195--205 Derek K. Chang On two permanental conjectures . . . . . 207--213 Lee Yew Sing On the sum of two $ N_0 $-matrices . . . 215--221 S. K. Jain and A. D. Gunawardena and L. Snyder On weak monotonicity of the powers of nonnegative matrices . . . . . . . . . . 223--230 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
H. Bart and G. Ph.A. Thijsse Simultaneous reduction to companion and triangular forms of sets of matrices . . 231--241 E. R. Canfield and S. G. Williamson The two basic linear time Planarity algorithms: Are they the same? . . . . . 243--265 Robert E. Hartwig and Mohan S. Putcha When is a matrix a difference of two idempotents . . . . . . . . . . . . . . 267--277 Robert E. Hartwig and Mohan S. Putcha When is a matrix a sum of idempotents? 279--286 Arnold Knopfmacher and John Knopfmacher Counting polynomials with a given number of zeros in a finite field . . . . . . . 287--292 Massoud Malek and H. Minc On the convex combinations of matrices and the sum of subpermanents . . . . . . 293--297 Fan Yun and Huang Qiang Decomposition of tensor spaces and block idempotents of group rings . . . . . . . 299--305 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Miroslav Fiedler A minimax problem for graphs and its relation to generalized doubly stochastic matrices . . . . . . . . . . 1--23 J. A. Dias Da Silva On the $ \mu $-colorings of a matroid 25--32 M. J. C. Gover and S. Barnett A generalized Bezoutian matrix . . . . . 33--48 J. A. Dias Da Silva and Amélia Fonseca Nonzero star products . . . . . . . . . 49--55 Charles R. Johnson and Chi-Kwong Li Matrices for which $ 0 \not \in F(A^m) $ 57--62 Moshe Goldberg Quasimonotonic functions on $ c^n $ and the mapping $ f \to f^+ $ . . . . . . . 63--71 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Dragomir \vZ. \Dbarokovi\'c On isometries of matrix spaces . . . . . 73--78 N. Bergeron and A. M. Garsia Sergeev's formula and the Littlewood--Richardson rule . . . . . . 79--100 Shmuel Friedland A remark on the variation of permanents 101--103 Rajendra Bhatia and Ludwig Elsner On the variation of permanents . . . . . 105--110 J. Benasseni A note on bounds to the variation of eigenvalues in symmetric matrix perturbation of rank one . . . . . . . . 111--116 Qiang Huang Extension of irreducible characters from normal subgroups . . . . . . . . . . . . 117--119 Charles R. Johnson and Peter Nylen Cases of equality for the spectral norm submultiplicativity of the Hadamard product . . . . . . . . . . . . . . . . 121--127 Roy Mathias Concavity of monotone matrix functions of finite order . . . . . . . . . . . . 129--138 Robert Grone and Russell Merris Coalescence, majorization, edge valuations and the Laplacian spectra of graphs . . . . . . . . . . . . . . . . . 139--146 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
José Barría and P. R. Halmos Vector bases for two commuting matrices 147--157 Adrian R. Wadsworth The algebra generated by two commuting matrices . . . . . . . . . . . . . . . . 159--162 D. W. Lewis The level of a Witt ring . . . . . . . . 163--165 Charles R. Johnson and Peter M. Nylen Converse to a singular value inequality common to the Hadamard and conventional products . . . . . . . . . . . . . . . . 167--187 Chi Fai Chan Positive semi-definiteness in the complex group algebra . . . . . . . . . 189--198 Luisa Carini The Poincaré series related to the Grassmann algebra . . . . . . . . . . . 199--205 W. So Facial structures of Schatten $p$-Norms 207--212 Chi-Kwong Li and Nam Kiu Tsing Linear operators preserving unitary similarity invariant norms . . . . . . . 213--224 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Olga Azenhas and Eduardo Marques De Sá Matrix realizations of Littlewood--Richardson sequences . . . . 229--242 Itziar Baragaña and Ion Zaballa Column completion of a pair of matrices 243--273 J. A. Dias Da Silva On the minimal polynomial of the associated transformation . . . . . . . 275--283 G. N. De Oliveira Invariant polynomials of sums of matrices . . . . . . . . . . . . . . . . 285--288 Charles R. Johnson and Erik A. Schreiner and Ludwig Elsner Eigenvalue neutrality in block triangular matrices . . . . . . . . . . 289--297 Shmuel Friedland Rationality of certain field of invariant functions . . . . . . . . . . 299--301 Eduardo Marques De Sá Interlacing and degree conditions for invariant polynomials . . . . . . . . . 303--316 Fernando C. Silva Sums and products of matrices with prescribed similarity classes . . . . . 317--323 Ion Zaballa Matrices with prescribed invariant factors . . . . . . . . . . . . . . . . 325--343 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Robert C. Thompson Editorial announcement: Algebraic graph theory . . . . . . . . . . . . . . . . . 1--1 D. Cvetkovi\'c and P. Rowlinson The largest eigenvalue of a graph: A survey . . . . . . . . . . . . . . . . . 3--33 William Watkins The Laplacian matrix of a graph: unimodular congruence . . . . . . . . . 35--43 Robert Grone and Georg Zimmermann Large eigenvalues of the Laplacian . . . 45--47 Gregory M. Constantine Graph complexity and the Laplacian matrix in blocked experiments . . . . . 49--56 John S. Maybee and Norman J. Pullman Tournament matrices and their generalizations, I . . . . . . . . . . . 57--70 W. E. Shreve A quadratic form characterization of complete $N$-partite graphs . . . . . . 71--73 Subhi N. Ruzieh and David L. Powers The distance spectrum of the path $ P_n $ and The First Distance Eigenvector of Connected Graphs . . . . . . . . . . . . 75--81 John S. Maybee and D. D. Olesky and P. van den Driessche Partly zero eigenvectors . . . . . . . . 83--92 Son\uaa Pavlíková and Ján Kr'c Jediný On the inverse and the dual index of a tree . . . . . . . . . . . . . . . . . . 93--109 Leroy B. Beasley and Norman J. Pullman Linear operators strongly preserving digraphs whose maximum cycle length . . 111--117 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
J. B. Remmel A bijective proof of a factorization theorem for $ (k, l)$-hook Schur functions . . . . . . . . . . . . . . . 119--154 R. Westwick Examples of constant rank spaces . . . . 155--174 Thomas H. Pate Immanants and decomposable tensors that symmetrize to zero . . . . . . . . . . . 175--184 W. C. Chu Dominance method for plane partitions. IV: Enumeration of flagged skew tableaux 185--191 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Francesco Caserta Eigenvalues in infinite dimensions . . . 195--201 Fuad Kittaneh On the self-adjointness of certain compact operators . . . . . . . . . . . 203--206 Katsumi Nomizu and Ulrich Pinkall Lorentzian geometry for $ 2 \times 2 $ real matrices . . . . . . . . . . . . . 207--212 Michael Neumann and Ronald J. Stern and Michael J. Tsatsomeros The reachability cones of essentially nonnegative matrices . . . . . . . . . . 213--224 Charles R. Johnson and Raphael Loewy Possible inertias for the Hermitian part of $ A + B X $ . . . . . . . . . . . . . 225--227 Chi-Kwong Li and Nam-Kiu Tsing On the $k$ th matrix numerical range . . 229--239 Svatopluk Poljak and Milos Schlegel Computing the generic Jordan canonical form . . . . . . . . . . . . . . . . . . 241--249 D. H. Lehmer Matrix paraphrases . . . . . . . . . . . 251--264 Boris Kimelfeld On inequalities of Schur type for Hermitian matrices and characters of unitary groups . . . . . . . . . . . . . 265--270 Charles R. Johnson and Glen T. Whitney Minimum rank completions . . . . . . . . 271--273 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Paul R. Halmos Bad products of good matrices . . . . . 1--20 Daniel Hershkowitz and Hans Schneider Combinatorial bases, derived Jordan sets and the equality of the height and level characteristics of an $M$-matrix . . . . 21--42 E. Rodney Canfield and S. Gill Williamson A sequential sorting network analogous to the Batcher merge . . . . . . . . . . 43--51 Joseph A. Ball and Nir Cohen and Leiba Rodman Zero data and interpolation problems for rectangular matrix polynomials . . . . . 53--78 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Ricard A. Brualdi and Keith L. Chavey Elementary divisors and ranked posets with application to matrix compounds . . 81--90 R. Craigen Embedding rectangular matrices in Hadamard matrices . . . . . . . . . . . 91--92 David Callan Another determinant condensation formula 93--98 Charles R. Johnson and Tamir Shalom Information requirements for Toeplitz inversion . . . . . . . . . . . . . . . 99--111 Stephen Donkin Representations of symplectic groups and the symplectic tableaux of R. C. King 113--124 R. B. Bapat and V. S. Sunder On hypergroups of matrices . . . . . . . 125--140 Jiri Rohn An existence theorem for systems of linear equations . . . . . . . . . . . . 141--144 Alexander Shapiro Upper bounds for nearly optimal diagonal scaling of matrices . . . . . . . . . . 145--147 Yew Sing Lee Inequalities for $M$ and $ N_0$-matrices 149--154 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Chi-Kwong Li Inequalities relating norms invariant under unitary similarities . . . . . . . 155--167 Che-Man Cheng An approximation problem with respect to symmetric gauge functions with application to matrix spaces . . . . . . 169--180 Ho S. Hong Two expansion theorems by diagonal elements for the permanent and the determinant . . . . . . . . . . . . . . 181--194 Natália Bebiano and Chi-Kwong Li and João Da Providência The numerical range and decomposable numerical range of matrices . . . . . . 195--205 J. Day and W. So and Robert C. Thompson Some properties of the Campbell--Baker--Hausdorff series . . . 207--224 W. So and Robert C. Thompson Products of exponentials of Hermitian and complex symmetric matrices . . . . . 225--233 M. D. Atkinson Extensions to the Kronecker--Weierstrass theory of pencils . . . . . . . . . . . 235--241 André C. M. Ran and Leiba Rodman On symmetric factorizations of rational matrix functions . . . . . . . . . . . . 243--261 Shu-An Hu and Tin-Yau Tam Operators with permanental numerical ranges on a straight line . . . . . . . 263--277 Michael R. Fellows and Paul A. Kaschube Searching for $ K_{3, 3} $ in linear time . . . . . . . . . . . . . . . . . . 279--290 Massoud Malek On the monotonicity of the sum of subpermanents of doubly stochastic matrices . . . . . . . . . . . . . . . . 291--297 Carolyn A. Eschenbach and Charles R. Johnson Sign patterns that require real, nonreal or pure imaginary eigenvalues . . . . . 299--311 Tin-Yau Tam Another proof of a result of Marcus without plücker relations . . . . . . . . 313--314 Russell Merris Research problems . . . . . . . . . . . 315--317 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Fuad Kittaneh On the normality of operator products 1--4 John W. Bunce The Binet--Cauchy theorem and inequalities for the Schur power matrix 5--11 W. W. Barrett and D. D. Olesky and P. van den Driessche A note on eigenvalues of fixed rank perturbations of diagonal matrices . . . 13--16 Israel Gohberg and Boris Reichstein On $h$-unitary and block-Toeplitz $h$-normal operators . . . . . . . . . . 17--48 Michael Neumann and Michael J. Tsatsomeros Symbiosis points for linear differential systems . . . . . . . . . . . . . . . . 49--59 Bo-Ying Wang and Ming-Peng Gong A high symmetry class of tensors with an orthogonal basis of decomposable symmetrized tensors . . . . . . . . . . 61--64 Stanley S. Chang and Chi-Kwong Li A special linear operator on . . . . . . 65--75 C. Alsina and J. L. Garcia-Roig On a functional equation related to the exterior powers of Euclidean space . . . 77--79 Dragomir \vZ. \Dbarokovi\'c and Chi-Kwong Li and Leiba Rodman Isometries of symmetric gauge functions 81--92 Shu-An Hu and Tin-Yau Tam On the generalized numerical range with principal character . . . . . . . . . . 93--107 K. Okubo A Cauchy--Schwarz type norm inequality 109--115 Wai Yip Man The invariance of $C$-numerical range $C$-numerical radius, and their dual problems . . . . . . . . . . . . . . . . 117--128 Suk-Geun Hwang Convexity of the permanent for doubly stochastic matrices . . . . . . . . . . 129--134 Ryszard Grz\ka\'slewicz Positive contractions in $ L(l^p, l^r) $ 135--144 Seok-Su Do and Suk-Geun Hwang Some rationally looking faces of $ \Omega_n $ having irrational minimum permanents . . . . . . . . . . . . . . . 145--154 Rajendra Bhatia Letter to the editor . . . . . . . . . . 155--155 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Leonid Lerer and Leiba Rodman and Miron Tismenetsky Inertia theorems for matrix polynomials 157--182 Andrew McDaniel and Stanley M. Zoltek Curvature operators which preserve normal spaces . . . . . . . . . . . . . 183--194 Bo-Ying Wang and Ming-Peng Gong The subspaces and orthonormal bases of symmetry classes of tensors . . . . . . 195--204 R. B. Bapat A note on the permanental Hadamard inequality . . . . . . . . . . . . . . . 205--208 Jiri Rohn A theorem On $p$-matrices . . . . . . . 209--211 D. J. Hartfiel Full patterns in truncated transportation polytopes . . . . . . . . 213--221 Tian-Gang Lei On the $c$-congruence numerical radii 223--227 Frank W. Schmidt Research problems . . . . . . . . . . . 229--230 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Gary H. Meisters and Czeslaw Olech Strong nilpotence holds in dimensions up to five only . . . . . . . . . . . . . . 231--255 Jorma Kaarlo Merikoski and Ari Virtanen On the London--Hoffman inequality for the sum of elements of powers of nonnegative matrices . . . . . . . . . . 257--259 Steve Kirkland Hypertournament matrices, score vectors and eigenvalues . . . . . . . . . . . . 261--274 Clark Jeffries and P. van den Driessche Qualitative stability and solvability of difference equations . . . . . . . . . . 275--282 Lajos László Upper bounds for matrix diagonals . . . 283--301 Roger A. Horn and Roy Mathias and Yoshihiro Nakamura Inequalities for unitarily invariant norms and bilinear matrix products . . . 303--314 R. C. Thompson Research problem . . . . . . . . . . . . 315--316 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Mohammad Q. Hailat Root systems of type $ S(n, p, 2, 2) $ 1--17 Bit-Shun Tam and George Phillip Barker Graphs and irreducible cone preserving maps . . . . . . . . . . . . . . . . . . 19--25 Thomas H. Pate Tensor products, symmetric products, and permanents of positive semi-definite Hermitian matrices . . . . . . . . . . . 27--36 Leroy B. Beasley and Seok-Zun Song A comparison of nonnegative real ranks and their preservers . . . . . . . . . . 37--46 Hung-Min Sun and Tzonelih Hwang On double-one matrices and double-zero matrices . . . . . . . . . . . . . . . . 47--55 Roy Mathias The singular values of the Hadamard product of a positive semidefinite and a skew-symmetric matrix . . . . . . . . . 57--70 Robert M. Guralnick A note on commuting pairs of matrices 71--75 P. Cassam-Chena\"\i A generalization of the plücker relations 77--79 Mark S. Jones A note on the shape of the generalized $c$-numerical range . . . . . . . . . . 81--84 Cristián Mallol and Artibano Micali Sur les alg\`ebres de Bernstein III. (French) [On Bernstein algebras III] . . 85--91 M. Asunción Beitia and Juan M. Gracia and Inmaculada de Hoyos A linear matrix equation: a criterion for block similarity . . . . . . . . . . 93--118 Bryan E. Cain and Eduardo Marques De Sá The inertia of Hermitian matrices with a prescribed $ 2 \times 2 $ block decomposition . . . . . . . . . . . . . 119--130 Bolian Liu On fully indecomposable exponent for primitive boolean matrices with symmetric ones . . . . . . . . . . . . . 131--138 Nader Agha and Daniel Hershkowitz and Nataly Kogan A solution to an inverse height and level characteristics problem . . . . . 139--146 Sujit Kumar Mitra On $ \cal G $-based extensions of the sharp order . . . . . . . . . . . . . . 147--151 Krzysztof Przeslawski Linear algebra of convex sets and the Euler characteristic . . . . . . . . . . 153--191 Jane M. Day and Donald D. Weddington Preaffine semigroups and convex matrix semigroups . . . . . . . . . . . . . . . 193--216 Rohan Hemasinha and James R. Weaver and Chi-Kwong Li Norms induced by symmetric guage functions . . . . . . . . . . . . . . . 217--224 Maria Emília F. Miranda On the product of the diagonal elements of Hermitian matrices . . . . . . . . . 225--234 David R. Finston Algebras and differential equations with additive symmetry . . . . . . . . . . . 235--243 Zhongshan Li A determinantal description of GCD-closed sets and $k$-sets . . . . . . 245--250 Tian-Gang Lei On the generalized $c$-numerical range 251--265 LeRoy B. Beasley and Norman J. Pullman Linear operators that strongly preserve the index of imprimitivity . . . . . . . 267--283 Charles R. Johnson and Peter Nylen Unitarily invariant norm submultiplicativity . . . . . . . . . . 285--301 A. R. Sourour Nilpotent factorization of matrices . . 303--308 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Ho S. Hong Permanent analogues of determinantal identities related to permutation fixed-points . . . . . . . . . . . . . . 1--20 Randall R. Holmes and Tin-Yau Tam Symmetry classes of tensors associated with certain groups . . . . . . . . . . 21--31 Klaus Thomsen Homomorphisms between finite direct sums of circle algebras . . . . . . . . . . . 33--50 Tian-Gang Lei and Tin-Yau Tam On the permanental Congruence numerical range . . . . . . . . . . . . . . . . . 51--59 Jin Ho Kwak and Jaeun Lee Characteristic polynomials of some graph bundles II . . . . . . . . . . . . . . . 61--73 Peter Heyfron A generalization of Hadamard's inequality . . . . . . . . . . . . . . . 75--84 Edward R. Scheinerman Book review . . . . . . . . . . . . . . 85--85 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Robert C. Thompson Dedication . . . . . . . . . . . . . . . 87--87 Ky Fan Some inequalities for matrices $A$ such that $ A - I $ is positive definite or an $M$-Matrix . . . . . . . . . . . . . 89--92 Binyamin Schwarz Bounds for the Carathéodory distance of the unit ball . . . . . . . . . . . . . 93--101 Zhengming Jiao On a conjecture of H. Minc . . . . . . . 103--105 Robert Grone and Raphael Loewy and Stephen Pierce Nonchordal positive semidefinite stochastic matrices . . . . . . . . . . 107--113 Peter M. Gibson Stochastic complements in substochastic Matrices . . . . . . . . . . . . . . . . 115--130 Michael Neumann and Hans Schneider Principal components of minus $M$-matrices . . . . . . . . . . . . . . 131--148 Marvin Marcus and Susan Franklin Rank and inertia of a complex Hadamard Power . . . . . . . . . . . . . . . . . 149--166 Eduardo Marques De Sá Some notes on orthant-monotonic norms 167--175 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Natália Bebiano and Chi-Kwong Li A brief survey on the decomposable numerical range of matrices . . . . . . 179--190 Amélia Fonseca Multilinearity partitions of characters of embedded groups . . . . . . . . . . . 191--196 Gordon James Immanants . . . . . . . . . . . . . . . 197--210 Russell Merris Applications of multlinear algebra . . . 211--224 W. Edwin Clark Bounds on a class of partial partitions of a vector space over $ {\rm GF}(2) $: a graph theoretical approach . . . . . . 225--235 Wai Ypi Man $C$-numerical ranges and normality of matrices . . . . . . . . . . . . . . . . 237--247 M. H. Lim Conditions on decomposable symmetric tensors as an algebraic variety . . . . 249--252 Charles R. Johnson and Chi-Kwong Li and Leiba Rodman and Ilya Spitkovsky and Stephen Pierce Linear maps preserving regional eigenvalue location . . . . . . . . . . 253--264 Chi Fai Chan The generalized numerical radius associated with a positive semi-definite function . . . . . . . . . . . . . . . . 265--281 D. \vZ. \Dbarokovi\'c and L. Legorreta Hermitian matrices of order $2$ over the ring of finite Fourier series with complex coefficients . . . . . . . . . . 283--309 Suk-Geun Hwang and Si-Ju Kim On convertible nonnegative matrices . . 311--318 G. H. Chan and M. H. Lim Linear transformations on symmetric matrices II . . . . . . . . . . . . . . 319--325 Robert C. Thompson The eigenvalue spreads of a Hermitian matrix and its principal submatrices . . 327--333 R. B. Bapat Research problem . . . . . . . . . . . . 335--337 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Anonymous A survey of linear preserver problems contents . . . . . . . . . . . . . . . . 1--2 Stephen Pierce Chapter 1: general introduction . . . . 3--5 M. H. Lim Chapter 2: rank and tensor rank . . . . 7--21 Raphael Loewy Chapter 3: inertia preservers . . . . . 23--30 Stephen Pierce Chapter 4: algebraic sets, polynomials, and other functions . . . . . . . . . . 31--52 Chi-Kwong Li and Nam-Kiu Tsing Chapter 5: linear preservers on functions of Singular values . . . . . . 53--61 Chi-Kwong Li and Nam-Kiu Tsing Chapter 6: linear preservers on numerical ranges, numerical radii and unitary similarity invariant norms . . . 63--73 Chi-Kwong Li and Nam-Kiu Tsing Chapter 7: linear preservers of relations on Matrix Spaces . . . . . . . 75--84 Bernard R. McDonald Chapter 8: invariant preserving linear matrix mappings over rings and related topics . . . . . . . . . . . . . . . . . 85--108 Leroy Beasley and Chi-Kwong Li and Stephen Pierce Chapter 9: miscellaneous preserver problems . . . . . . . . . . . . . . . . 109--119 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Mihalis Maliakas A note on the straightening law for the symplectic group . . . . . . . . . . . . 131--136 M. H. Lim Derivations on the symmetric algebras 137--143 Carl Sturtivant Are there elimination algorithms for the permanent? . . . . . . . . . . . . . . . 145--162 Judith J. McDonald Partly zero eigenvectors and matrices that satisfy $ A u = b $ . . . . . . . . 163--170 João Filipe Queiró and Alexander Kovacec A bound for the determinant of the sum of two normal matrices . . . . . . . . . 171--173 Bruce R. Ebanks Factoring multiadditive mappings . . . . 175--184 John Goldwasser Monotonicity of permanents of direct sums of doubly stochastic matrices . . . 185--188 Yonglin Chen Nonnegative definite matrices and their applications to matrix quadratic programming problems . . . . . . . . . . 189--201 M. P. Benito and V. R. Varea The lattice of ideals of a nilpotent Lie algebra . . . . . . . . . . . . . . . . 203--215 Mohammad Q. Hailat Classification of $ S(n, p, 2, 2) $ root systems . . . . . . . . . . . . . . . . 217--231 Israel Gohberg and Leiba Rodman and Tamir Shalom and Hugo J. Woerdeman Bounds for eigenvalues and singular values of matrix completions . . . . . . 233--249 R. C. King and T. A. Welsh Construction of orthogonal group modules using tableaux . . . . . . . . . . . . . 251--283 M. Antónia Duffner and J. F. Machado and G. N. de Oliveira Sets of vectors with a common minimal polynomial . . . . . . . . . . . . . . . 285--294 Stephen Kirkland and Norman J. Pullman Linear operators preserving invariants of nonbinary boolean matrices . . . . . 295--300 Fuzhen Zhang Research problem . . . . . . . . . . . . 301--303 Stephen Pierce Book review . . . . . . . . . . . . . . 305--306 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Daniel Hershkowitz and Hans Schneider Ranks of zero patterns and sign patterns 3--19 Raphael Loewy Linear mappings which are rank-$k$ nonincreasing . . . . . . . . . . . . . 21--32 Shmuel Friedland Estimates of the spectral radius of graphs . . . . . . . . . . . . . . . . . 33--40 Chi-Kwong Li and Nam-Kiu Tsing Linear operators leaving a class of matrices with fixed singular values invariant . . . . . . . . . . . . . . . 41--49 Richard A. Brualdi and Bryan L. Shader Cutsets in bipartite graphs . . . . . . 51--54 Morris Newman Units differing by rationals in a cyclotomic field . . . . . . . . . . . . 55--57 Yik-Hoi Au-Yeung and Che-Man Cheng Two formulas for the generalized Radon--Hurwitz number . . . . . . . . . 59--66 Wayne W. Barrett and Charles R. Johnson Majorization monotonicity of symmetrized Fischer products . . . . . . . . . . . . 67--74 Richard Sinkhorn Concerning Hermite forms for matrices and their transposes . . . . . . . . . . 75--84 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
David Wright The Jacobian conjecture: linear triangularizatlon for cubics in dimension three . . . . . . . . . . . . 85--97 R. C. King and T. A. Welsh Construction of $ {\rm GL}(n) $ modules using composite tableaux . . . . . . . . 99--122 F. Silva Leite The geometry of hypercomplex matrices 123--132 Jianming Miao Analog of the Minkowski inequality for the difference of two $M$-matrices . . . 133--139 Jon A. Sjogren Circulant blocks and rotational graphs 141--176 Yonglin Chen A Cramer rule for solution of the general restricted linear equation . . . 177--186 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Peter Rowlinson and Yang Yuansheng Tricylic Hamiltonian graphs with minimal index . . . . . . . . . . . . . . . . . 187--196 D. R. Farenick Matricial extensions of the numerical range: a brief survey . . . . . . . . . 197--211 Israel Gohberg and Boris Reichstein Classification of block-Toeplitz $h$-normal operators . . . . . . . . . . 213--245 Chi Fai Chan The generalized numerical radius associated with a positive semi-definite function II . . . . . . . . . . . . . . 247--259 Keith Bourque and Steve Ligh Matrices associated with arithmetical functions . . . . . . . . . . . . . . . 261--267 Fernando C. Silva The eigenvalues of the product of matrices with prescribed similarity classes . . . . . . . . . . . . . . . . 269--277 M. S. Jones and H. P. Rogosinski Inclusion relations for the $c$-numerical range . . . . . . . . . . 279--290 Michael Tsatsomeros and John S. Maybee and D. D. Olesky and P. van den Driessche Nullspaces of matrices and their compounds . . . . . . . . . . . . . . . 291--300 S. Gill Williamson Canonical forms for cycles in bridge graphs . . . . . . . . . . . . . . . . . 301--341 Steve Kirkland A reversal index for tournament matrices 343--351 Song Xu On inverse spectrum problems for normal nonnegative matrices . . . . . . . . . . 353--364 K. Okubo Some equality conditions with respect to the dual norm of the numerical radius 365--376 M. S. Jones and B. Nashvadian-Bakhsh and H. P. Rogosinski Intersection properties for generalized numerical ranges . . . . . . . . . . . . 377--383 Tian-Gang Lei On generalized numerical ranges with the induced matrix . . . . . . . . . . . . . 385--394 Hemant Bhate On the construction of hypergroups . . . 395--402 Dragomir \vZ. \Dbarokovi\'c Correction to ``Hermitian matrices of order $2$ over the ring of finite Fourier series with complex coefficients'' . . . . . . . . . . . . . 403--406 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Vesselin Drensky Finite generation of invariants of finite linear groups on relatively free algebras . . . . . . . . . . . . . . . . 1--10 Erich W. Ellers The reflection length of a transformation in the unitary group over a finite field . . . . . . . . . . . . . 11--35 Gerard Sierksma and Valeriu Soltan and Tudor Zamfirescu Invariance of convex sets under linear transformations . . . . . . . . . . . . 37--47 Steve Kirkland and Bryan L. Shader On multipartite tournament matrices with constant team size . . . . . . . . . . . 49--63 Michael Gil Estimate for the norm of matrix-valued functions . . . . . . . . . . . . . . . 65--73 Mong-Lung Lang and Chong-Hai Lim and Ser-Peow Tan Subgroups of the Hecke groups with small index . . . . . . . . . . . . . . . . . 75--77 Shih-Ping Chan and Mong-Lung Lang and Chong-Hai Lim and Ser-Peow Tan Research Problem . . . . . . . . . . . . 79--81 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Chi-Kwong Li and Dennis I. Merino Linear operators preserving unitary $t$-congruence (orthogonal similarity) on complex (real) matrices . . . . . . . 83--105 B. R. F. Jefferies and W. J. Ricker Commutativity for systems of ($ 2 \times 2 $) selfadjoint matrices . . . . . . . 107--113 Ho S. Hong On two determinantal identities and their permanent analogues . . . . . . . 115--129 Amitai Regev Capelli identities for some modular P.I. algebras . . . . . . . . . . . . . . . . 131--134 Rohan Hemasinha The sign invariance of certain norms on 135--151 Jianming Miao Reflexive generalized inverses and their minors . . . . . . . . . . . . . . . . . 153--163 Miron Tismenetsky On inversion of Hermitian block Toeplitz matrices . . . . . . . . . . . . . . . . 165--171 Tian-Gang Lei On the numerical range of an induced power . . . . . . . . . . . . . . . . . 173--178 Michael Grady Research problem . . . . . . . . . . . . 179--183 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Thomas A. Farmer A new construction of polarizations of solvable Lie algebras . . . . . . . . . 185--190 Dante M. Giarrusso and Joseph D. Romano A polarization formula for Clifford modules . . . . . . . . . . . . . . . . 191--194 Thomas H. Pate Psi-functions, irreducible characters and a conjecture of Merris and Watkins 195--212 Carolyn A. Eschenbach Sign patterns that require exactly one real eigenvalue and patterns that require $ n - 1 $ nonreal eigenvalues 213--223 Gary H. Meisters and Czeslaw Olech Power-exact, nilpotent, homogeneous matrices . . . . . . . . . . . . . . . . 225--236 Robert C. Compton and S. Gill Williamson Doubly adjacent gray codes for the symmetric group . . . . . . . . . . . . 237--293 Steven H. Weintraub A note on linear transformations over integral domains . . . . . . . . . . . . 295--297 J. Foster and K. O. Kidman and F. B. Richards Distributions of the ranks of Hadamard powers . . . . . . . . . . . . . . . . . 299--312 Suk-Geun Hwang and Jia-Yu Shao Minimization of the permanent and matrices of freedom . . . . . . . . . . 313--323 Leroy B. Beasley and Sang-Gu Lee Linear operators strongly preserving $r$-cyclic matrices over semirings . . . 325--337 Yong-Lin Chen Representations and Cramer rules for the solution of a restricted Matrix Equation 339--354 Chi Fai Chan Letter to the editor . . . . . . . . . . 355--356 B. R. F. Jefferies and W. J. Ricker Addendum: Commutativity for Systems of ($ 2 \times 2 $) Selfadjoint Matrices 357--357 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Charles R. Johnson and Michael Lundquist Matrices with chordal inverse zero-patterns . . . . . . . . . . . . . 1--17 Chi-Kwong Li and Stephen Pierce Linear operators preserving certain singular matrix sets . . . . . . . . . . 19--25 André C. M. Ran and Leiba Rodman and Arthur L. Rubin Stability index of invariant subspaced of matrices . . . . . . . . . . . . . . 27--39 Bryan E. Cain Between $d$-stability and sign-stability: the $ 3 \times 3 $ case 41--45 G. Greiner and W. J. Ricker Joint spectra and commutativity of systems of ($ 2 \times 2 $) selfadjoint matrices . . . . . . . . . . . . . . . . 47--58 Hugo J. Woerdeman Minimal rank completions of partial banded matrices . . . . . . . . . . . . 59--68 Peter Nylen and Tin-Yau Tam and Frank Uhlig On the eigenvalues of principal submatrices of normal, Hermitian and symmetric matrices . . . . . . . . . . . 69--78 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
A. H. Dooley and J. Repka and N. J. Wildberger Sums of adjoint orbits . . . . . . . . . 79--101 Daniel Hershkowitz and Felix Shmidel On a conjecture on the eigenvalues of $p$-matrices . . . . . . . . . . . . . . 103--110 J. A. Lester Orthochronous subgroups of $ O(p, q) $ 111--113 Raphael Loewy Linear mappings which are rank-$k$ nonincreasing, II . . . . . . . . . . . 115--123 I. Koltracht and M. Neumann and D. Xiao On a question of Boyle and Handelman concerning eigenvalues of nonnegative matrices . . . . . . . . . . . . . . . . 125--140 Ignacio Alarcon and Paul Yiu Compositions of Hermitian forms . . . . 141--145 Michael Neumann and Hans Schneider Corrections and additions to: ``Principal components of minus $m$-matrices'' . . . . . . . . . . . . . 147--149 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Francis Oger Isomorphism and elementary equivalence of multilinear maps . . . . . . . . . . 151--174 Peter W. Stephens A matrix characterization of induced paths in bridge graphs . . . . . . . . . 175--188 Charles R. Johnson and D. D. Olesky and Michael Tsatsomeros and P. van den Driessche An identity for the determinant . . . . 189--194 Chi-Kwong Li and Paras P. Mehta and Leiba Rodman Linear operators preserving the inner and outer $c$-spectral radii . . . . . . 195--204 Kirill A. Kopotun On some permanental conjectures . . . . 205--216 B. Mond and J. D. Pecari\'c A matrix version of the Ky Fan generalization of the Kantorovich inequality . . . . . . . . . . . . . . . 217--221 Morris Newman Multiplicativity of the Smith Normal Form . . . . . . . . . . . . . . . . . . 223--224 Russell Merris An inequality for eigenvalues of symmetric matrices with applications to max-cuts and Graph Energy . . . . . . . 225--229 Gregory M. Constantine Book review . . . . . . . . . . . . . . 231--232 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Robert W. Fitzgerald Characteristic polynomials of symmetric matrices . . . . . . . . . . . . . . . . 233--237 Fumio Hiai Equality cases in matrix norm inequalities of Golden--Thompson type 239--249 B. E. Rhoades Sharp upper bounds for the norms of certain bounded operators on $ l^p $ . . 251--253 Massoud Malek Hypernormal matrices . . . . . . . . . . 255--266 Rafael Bru and Rafael Cantó On nonnegative Jordan chains for the generalized nullspace of a singular $M$-Matrix . . . . . . . . . . . . . . . 267--274 Shahriar Shahriari On maximizing $ \det X^t X $ . . . . . . 275--278 Shu-An Hu On a conjecture of Drew and Johnson: maximizing the permanent . . . . . . . . 279--285 Naomi Shaked-Monderer Extermal positive semidefinite matrices with given sparsity pattern . . . . . . 287--292 D. J. Hartfiel Input control in nonnegative matrix equations . . . . . . . . . . . . . . . 293--304 Suk-Geun Hwang and Si-Ju Kim and Seok-Zun Song Linear operators that preserve maximal column rank of boolean matrices . . . . 305--313 Dennis Stanton Book review . . . . . . . . . . . . . . 315--316 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
T. Ando and C. K. Li Introduction . . . . . . . . . . . . . . 1--2 Peter Nylen and Tin-Yau Tam On the spread of a Hermitian matrix and a conjecture of Thompson . . . . . . . . 3--11 Charles R. Johnson and I. M. Spitkovsky and S. Gottlieb Inequalities involving the numerical radius . . . . . . . . . . . . . . . . . 13--24 Chi-Kwong Li and Paras P. Mehta and Leiba Rodman A generalized numerical range: the range of a constrained sesquilinear form . . . 25--49 Chi-Kwong Li $C$-numerical ranges and $C$-numerical radii . . . . . . . . . . . . . . . . . 51--82 Natália Bebiano and Joao Da Providência Some Geometrical Properties of the $c$-Numerical Range of a Normal Matrix 83--92 Bit-Shun Tam Circularity of numerical ranges and block-shift matrices . . . . . . . . . . 93--109 R. Mathias and K. Okubo The induced norm of the Schur multiplication operator with respect to the operator radius . . . . . . . . . . 111--124 T. Ando and F. Kubo Product of matrical discs . . . . . . . 125--129 D. R. Farenick Normal compressions and restrictions to $2$-dimensional subspaces, and the Berberian spectral extension . . . . . . 131--138 Karl Gustafson Operator trigonometry . . . . . . . . . 139--159 M. S. Jones and H. P. Rogosinski Inclusion relations involving the $k$-numerical range and the essential numerical range . . . . . . . . . . . . 161--173 Wasin So and Robert C. Thompson and Fuzhen Zhang The numerical range of normal matrices with quaternion entries . . . . . . . . 175--195 Che-Man Cheng On the decomposable numerical range of $ \lambda I - N $ . . . . . . . . . . . . 197--205 Che-Man Cheng and Chi-Kwong Li Some geometrical properties of the decomposable numerical range . . . . . . 207--212 João Da Providência The numerical ranges of derivations and quantum physics . . . . . . . . . . . . 213--220 Yiu Tung Poon On the convex hull of the multiform numerical range . . . . . . . . . . . . 221--223 O. Axelsson and H. Lu and B. Polman On the numerical radius of matrices and its application to iterative solution methods . . . . . . . . . . . . . . . . 225--238 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Luisa Carini and Drensky Vesselin Plethysms for representations of Lie superalgebras with applications to P.I. algebras . . . . . . . . . . . . . . . . 239--258 The Hadwin Lunch Bunch Local multiplications on algebras spanned by idempotents . . . . . . . . . 259--263 Charels R. Johnson and M. Kathleen Kerr and David P. Stanford Semipositivity of matrices . . . . . . . 265--271 Hans Joachim Werner Characterizations of minimal semipositivity . . . . . . . . . . . . . 273--278 Masahiko Sagae and Kunio Tanabe Upper and lower bounds for the arithmetic--geometric--harmonic means of positive definite matrices . . . . . . . 279--282 Chanyoung Lee Stability of dominant weights of the tensor product module for orthosymplectic Lie superalgebras . . . 283--295 Ronald L. Smith On fan products of $Z$-matrices . . . . 297--302 John H. Drew and Charles R. Johnson and Raphael Loewy Completely positive matrices associated with $M$-matrices . . . . . . . . . . . 303--310 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Mihály Bakonyi and Charles R. Johnson Determinantal formulae and nonsymmetric Gaussian perfect elimination . . . . . . 1--11 Peter Nylen and Frank Uhlig Realizations of interlacing by tree-patterned matrics . . . . . . . . . 13--37 M. Benlarbi Dela\"\i Sur la réflexivité des opérateurs linéaires. (French) [On the reflexivity of linear operators] . . . . . . . . . . . . . . . 39--43 Peter W. Stephens A matrix analysis of carrier posets of biconnected graphs . . . . . . . . . . . 45--58 Leo Livshits Block-matrix generalizations of infinite-dimensional Schur products and Schur multipliers . . . . . . . . . . . 59--78 Ji\vrí Rohn and Jana Kreslová Linear interval inequalities . . . . . . 79--82 Cristina Caldeira On the degree of the minimal polynomial of some partial derivations . . . . . . 83--95 Miriam Pisonero and G. Almkvist Determinants on modules that have a finite free resolution . . . . . . . . . 97--107 Aloke Dey and Sayaji Hande and M. L. Tiku Statistical proofs of some matrix results . . . . . . . . . . . . . . . . 109--116 A. A. Jafarian and A. R. Sourour Linear maps that preserve the commutant, double commutant or the lattice of invariant subspaces . . . . . . . . . . 117--129 David A. Gregory and Norman J. Pullman and Stephen J. Kirkland On the dimension of the algebra generated by a boolean matrix . . . . . 131--144 J. D. Botha Factorization of a singular matrix into nilpotent matrices with prescribed ranks 145--150 Marek Kanter Separating inequalities for non-negative covariances . . . . . . . . . . . . . . 151--162 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Ray Vanstone Cayley--Hamilton formulae . . . . . . . 163--170 Suk-Geun Hwang and Si-Ju Kim and Seok-Zun Song On maximal convertible matrices . . . . 171--176 Suk-Geun Hwang and Roy Meshulam An inequality for subpermanents of positive semidefinite Hermitian matrices 177--180 Alan Edelman and Walters Mascarenhas On the complete pivoting conjecture for a Hadamard matrix of order $ 12 $ . . . 181--187 V. Prokip The multiplicativity of the Smith normal form . . . . . . . . . . . . . . . . . . 189--192 D. Callan On evaluating permanents and a matrix of cotangents . . . . . . . . . . . . . . . 193--205 M. Domokos New identities for $ 3 \times 3 $ Matrices . . . . . . . . . . . . . . . . 207--213 Roger C. Alperin Free products of matrices . . . . . . . 215--223 Huang Liping and Zeng Qingguang The matrix equation $ A X B + C Y D = E $ over a simple artinian ring . . . . . 225--232 Charles R. Johnson and Michael J. Tsatsomeros Convex sets of nonsingular and P:-Matrices . . . . . . . . . . . . . . 233--239 Wen Li Characterizations of singular irreducible $M$-matrices . . . . . . . . 241--247 Laura A. Bloom Bijective comparison of optimal planarity algorithms . . . . . . . . . . 249--266 Tian-Gang Lei On matrices with some extermal generalized numerical radii . . . . . . 267--279 Charles R. Johnson and Fuzhen Zhang Erratum: ``The Robertson--Taussky inequality revisited'' . . . . . . . . . 281--282 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Mihalis Maliakas On induced modules and tableaux for the special orthogonal groups . . . . . . . 283--294 Thomas H. Pate Hook immanants and symmetry-antisymmetry modules . . . . . . . . . . . . . . . . 295--307 B. Mond and J. E. Pecari\'c A matrix version of the Ky Fan generalization of the Kantorovich inequality II . . . . . . . . . . . . . 309--313 Anne-Louise Klaus and Chi-Kwong Li Isometries for the vector $ (p, q) $ norm and the induced $ (p, q) $ norm . . 315--332 M. H. Eggar Two observations about free graded Hopf algebras . . . . . . . . . . . . . . . . 333--341 Eva Achilles and Richard Sinkhorn Doubly stochastic matrices whose squares are idempotent . . . . . . . . . . . . . 343--349 C. W. Norman On the Jordan form of the tensor product over fields of prime characteristic . . 351--371 Donald G. James Polar spaces over rings with absolute stable range condition . . . . . . . . . 373--378 I. Koltracht and M. Neumann and D. Xiao Corrections: On a question of Boyle and Handelman concerning eigenvalues of nonnegative matrices . . . . . . . . . . 379--380 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
P. Rowlinson Introduction . . . . . . . . . . . . . . 1--1 J. H. Koolen On a conjecture of Martin on the parameters of completely regular codes and the classification of the completely regular codes in the Biggs--Smith graph 3--17 Russell Merris A survey of graph Laplacians . . . . . . 19--31 Edwin R. Van Dam and Willem H. Haemers Eigenvalues and the diameter of graphs 33--44 J. J. Seidel Geometric representations of graphs . . 45--57 Slobodan K. Simi\'c Some notes on graphs whose second largest eigenvalue is less than $ (\sqrt {5} - 1) / 2 $ . . . . . . . . . . . . . 59--71 Christoph Helmberg and Franz Rendl and Bojan Mohar and Svatopluk Poljak A spectral approach to bandwidth and separator problems in graphs . . . . . . 73--90 W. H. Haemers and E. Spence Graphs cospectral with distance-regular graphs . . . . . . . . . . . . . . . . . 91--107 Dragos Cvetkovi\'c Star partitions and the graph isomorphism problem . . . . . . . . . . 109--132 Robert D. Grone Eigenvalues and the degree sequences of graphs . . . . . . . . . . . . . . . . . 133--136 Francis Bell and Slobodan Simi\'c On the index of broken wheels . . . . . 137--152 Pierre-Alain Cherix Property $ (T) $ and expanding constants for semidirect products . . . . . . . . 153--160 Holger Schellwat Induced Cayley graphs and double covers 161--164 G. B. Khosrovshahi and R. Torabi A note on labelings of graphs . . . . . 165--169 Miroslav Fiedler Moore--Penrose involutions in the classes of Laplacians and simplices . . 171--178 Moo Young Sohn and Jaeun Lee Characteristic polynomials of complement of graph bundles and their applications 179--190 J. W. Moon On the adjoint of a matrix associated with trees . . . . . . . . . . . . . . . 191--194 Charles R. Johnson and Catherine A. Jones and Brenda K. Kroschel The Euclidean distance completion problem: cycle completability . . . . . 195--207 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Erich W. Ellers Products of reflections in one conjugacy class in the orthogonal group over $ {\rm GF}(3) $ . . . . . . . . . . . . . 209--229 Hiroshi Nakazato and Yasutaka Nishikawa and Makoto Takaguchi On the boundary of the $C$-numerical range of a matrix . . . . . . . . . . . 231--240 Randall R. Holmes Orthogonal bases of symmetrized tensor spaces . . . . . . . . . . . . . . . . . 241--243 J. A. Dias Da Silva and Amélia Fonseca Symmetry classes of tensors:dual indices 245--253 Xingzhi Zhan On a question of P. R. Halmos . . . . . 255--258 G. Rex and J. Rohn A note on checking regularity of interval matrices . . . . . . . . . . . 259--262 Ilya Krupnik and Alexander Markus and Peter Lancaster Factorization of selfadjoint quadratic matrix polynomials with real spectrum 263--272 William A. Adkins The fan-pall imbedding theorem over formally real fields . . . . . . . . . . 273--278 Y. H. Au-Yeung A short proof of a theorem on the numerical range of a normal quaternionic matrix . . . . . . . . . . . . . . . . . 279--284 Masao Ishikawa and Masato Wakayama Minor summation formula of Pfaffians . . 285--305 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Antonio Giambruno and Angela Valenti On minimal *-identities of matrices . . 309--323 Younghong Chen and Stephen J. Kirkland and Michael Neumann Group generalized inverses of $M$-matrices associated with periodic and nonperiodic Jacobi matrices . . . . 325--340 J. O. Carbonara and J. B. Remmel and M. Yang A combinatorial rule for the Schur function expansion of the Plethysm $ S(1^a, b)[P_k] $ . . . . . . . . . . . . 341--373 Enide Andrade Martins and Fernando C. Silva Eigenvalues of matrix commutators . . . 375--389 Cai Jun Liang and Zhang Ke Min The characterization of symmetric primitive matrices with exponent $ 2 n - 2 r (\geq n) $ . . . . . . . . . . . . . 391--396 Shahriar Shahriari Book review . . . . . . . . . . . . . . 397--400 David Callan Research problem . . . . . . . . . . . . 401--403 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
W. Edwin Clark and Boris Shekhtman Covering by complements of subspaces . . 1--13 J. A. Dias Da Silva and Daniel Hershkowitz and Hans Schneider Existence of matrices with prescribed Off-diagonal block element sums . . . . 15--28 Gregory Gibson and Ernest Stitzinger Complete Lie algebras . . . . . . . . . 29--32 Joaquim F. Machado The maximum of $ i(X A X^{-1} + B) $ . . 33--35 Hiroshi Nakazato The boundary of the range of a constrained sesquilinear form . . . . . 37--43 D. Decaen On the tournament matrices with smallest rank . . . . . . . . . . . . . . . . . . 45--45 Tian-Gang Lei On the generalized congruence numerical range with the completely symmetric function . . . . . . . . . . . . . . . . 47--59 Yong-Lin Chen Finite algorithms for the $ (2)$-generalized inverse . . . . . . . . 61--68 D. J. Hartfiel Matrix patterns for eigenvalue-eigenvector Adjustment . . . 69--80 R. Westwick Transformations on tensor spaces II . . 81--92 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Fernando C. Silva On controllability of partially prescribed matrices . . . . . . . . . . 95--102 Joachim von Below and Renate Wagner A note on the Perron root of a weighted $t$-th Order mean of nonnegative matrices . . . . . . . . . . . . . . . . 103--109 Bo-Ying Wang and Fuzhen Zhang Words and normality of matrices . . . . 111--118 John W. Auer An elementary proof of the invertibility of Distance matrices . . . . . . . . . . 119--124 John Brian Burghduff Minimum permanents of doubly stochastic matrices with zero main diagonal . . . . 125--140 R. B. Bapat and D. D. Olesky and P. van den Driessche Perron--Frobenius theory for a generalized eigenproblem . . . . . . . . 141--152 R. B. Bapat and Adi-Ben Israel Singular values and maximum rank minors of generalized inverses . . . . . . . . 153--161 Chi-Kwong Li and David P. Stanford and D. D. Olesky and P. van den Driessche Minimum positive determinant of integer matrices with constant row and column sums . . . . . . . . . . . . . . . . . . 163--170 G. H. Chan and M. H. Lim Linear preservers of decomposable tensors . . . . . . . . . . . . . . . . 171--181 W. C. Shiu and S. L. Ma and K. T. Fang On the rank of cyclic latin squares . . 183--188 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Mihály Bakonyi and Charles R. Johnson Algebraic characterizations of chordality . . . . . . . . . . . . . . . 187--191 Maria Do Rosário Fernandes Pairs of matrices that have the same immanant . . . . . . . . . . . . . . . . 193--201 B. Mono and J. E. Pecaric On an inequality for spectral radius . . 203--206 Thomas H. Pate Group algebras, monotonicity, and the Lieb permanent inequality . . . . . . . 207--220 D. W. Lewis Trace forms, Kronecker sums, and the shuffle matrix . . . . . . . . . . . . . 221--227 Richard Arens and Moshe Goldberg Weighted $ l_1 $ norms for matrices . . 229--234 Chi Kwong Li Some convexity theorems for the generalized numerical ranges . . . . . . 235--240 Charles R. Johnson and Michael Neumann and Michael J. Tsatsomeros Conditions for the positivity of determinants . . . . . . . . . . . . . . 241--248 Anthony J. Felton and B. Nashvadia-Bakhsh and H. P. Rogosinski On generalised $k$-numerical radii of Schatten class operators . . . . . . . . 249--258 Leonid Lerer and Leiba Rodman Symmetric factorizations and localization of zeroes of rational matrix functions . . . . . . . . . . . . 259--281 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
David A. Gregory and Kevin N. Vander Meulen and Bryan L. Shader Rank decompositions and signed bigraphs 283--301 Wenxue Huang Linear associative algebras with finitely many idempotents . . . . . . . 303--309 Steve Kirkland and Michael Neumann and Bryan L. Shader Characteristic vertices of weighted trees via Perron values . . . . . . . . 311--325 Ilya Krupnik and Peter Lancaster and Peter Zizler Factorization of selfadjoint matrix polynomials with reas Spectrum . . . . . 327--336 Jeffrey B. Remmel and Tamsen Whitehead Transition matrices and Kronecker product expansions of symmetric functions . . . . . . . . . . . . . . . 337--352 Huang Liping The solvability of linear matrix equations over a central simple algebra 353--363 J. D. Botha Idempotent factorization of matrices . . 365--371 Gorazd Lesnjak and Peter \vSemrl Quasidirect addition of operators . . . 373--377 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
M. Purificação Coelho Linear preserves of the permanent on symmetric matrices . . . . . . . . . . . 1--8 Richard Arens and Moshe Goldberg and R. Arens and M. Goldberg Jordan-multiplicative norms . . . . . . 9--18 Jie-Tai Yu and H. Bass and E. H. Connell and D. Wright On generalized strongly nilpotent matrices . . . . . . . . . . . . . . . . 19--22 Zhongshan Li and Carolyn A. Eschenbach and Frank J. Hall The structure of nonnegative cyclic matrices . . . . . . . . . . . . . . . . 23--33 Natália Bebiano and João Da Providência Another proof of a conjecture of Marcus on the $c$-numerical range . . . . . . . 35--40 Chi-Kwong Li and Hugo J. Woerdeman A research problem . . . . . . . . . . . 41--47 J. L. M. van Dorsselaer An algorithm to compute sets enclosing $M$-numerical ranges with applications in numerical analysis . . . . . . . . . 49--61 Robert Grone and Stephen Pierce Decomposably non-negative matrices . . . 63--79 T. Ando Quasi-orders on the positive cone of a $C$ . . . . . . . . . . . . . . . . . . 81--94 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
D. J. Hartfiel Concerning interval Leslie matrix calculations . . . . . . . . . . . . . . 95--106 Jian Shen and D. A. Gregory Some eigenvalue inequalities for matrices with restricted entries . . . . 107--112 Marcelo Llarull Irreducible components of $ L^2 $ functions on Hopf bundles . . . . . . . 113--135 Claudi Busqué and Alberto Facchini Abelian categories in which linear algebra is possible . . . . . . . . . . 137--156 Jürgen Grob Comment on range invariance of matrix products . . . . . . . . . . . . . . . . 157--160 D. Boularas and Z. Bouzar Concomitants et $p$-uplets de matrices $ 2 \times 2 $ . . . . . . . . . . . . . . 161--173 S. R. Mohan and S. K. Neogy The role of representative submatrices in vertical linear complementarity theory . . . . . . . . . . . . . . . . . 175--187 Jie-Tai Yu Noncommutative-nilpotent matrices and the Jacobian conjecture . . . . . . . . 189--192 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
S. K. Jain and L. E. Snyder A note on factoring $0$--$1$ matrices 193--198 S. J. Kirkland and J. J. McDonald and M. J. Tsatsomeros Sign-patterns which require a positive eigenvalue . . . . . . . . . . . . . . . 199--210 Shu-Chu Chang Generalized Smith normal form class number w.r.t $ \Gamma_0 (n) $ . . . . . 211--219 Chi-Kwong Li and Roy Mathias Matrix inequalities involving a positive linear map . . . . . . . . . . . . . . . 221--231 Pentti Haukkanen and Juha Sillanpää Some analogues of Smith's determinant 233--244 Wai-Shun Cheung and Nam-Kiu Tsing The $C$-numerical range of matrices is star-shaped . . . . . . . . . . . . . . 245--250 R. Westwick Decomposability under field extensions 251--253 W. Manthey and D. Hinrichsen and U. Helmke On Fischer--Frobenius transformations and the structure of rectangular block Hankel matrices . . . . . . . . . . . . 255--288 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Fernando C. Silva and Wasin So Possibilities for the number of invariant polynomials of the difference of two similarity classes . . . . . . . 289--302 Wasin So and Robert Thompson Convexity of the upper complex plane part of the numerical range of a quaternionic matrix . . . . . . . . . . 303--365 Robert Reams An inequality for nonnegative matrices and the inverse eigenvalue problem . . . 367--375 Gorazd Lesnjak and Peter \vSemrl Quasidirect addition of operators . . . 377--381 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Leroy B. Beasley and J. A. Dias Da Silva Orthogonal decomposable symmetrized tensors . . . . . . . . . . . . . . . . 1--21 Enrico Bozzo Algebras in matrix spaces with displacement structure . . . . . . . . . 23--41 Jenö Szlgeti and Zsolt Tuza Solving systems of linear equations over Lie nilpotent rings . . . . . . . . . . 43--51 Jürgen Grob Some remarks on partial orderings of Hermitian matrices . . . . . . . . . . . 53--60 Mohammad Q. Hailat On the classification of Witt rootsystems . . . . . . . . . . . . . . 61--71 Cristina Caldeira Critical pairs of matrices for the degree of the minimal polynomial of the Kronecker sum . . . . . . . . . . . . . 73--88 George W. Solues Nonconvexity of the permanent . . . . . 89--91
S. M. Rump Almost Sharp Bounds for the Componentwise Distance to the Nearest Singular Matrix . . . . . . . . . . . . 93--107 J. D. Botha Triangularizing matrices over $ {\rm GF}(2) $ by congruence . . . . . . . . . 109--158 R. B. Bapat Moore--Penrose inverse of the incidence matrix of a tree . . . . . . . . . . . . 159--167 Alexander S. Markus and Leiba Rodman Some results on numerical ranges and factorizations of matrix polynomials . . 169--185
Steve Kirkland and Michael Neumann Algebraic connectivity of weighted trees under perturbation . . . . . . . . . . . 187--203 Tatjana Petek Additive mappings preserving commutativity . . . . . . . . . . . . . 205--211 M. Antónia Düffner A note on singular matrices satisfying certain polynomial identities . . . . . 213--219 Hechun Zhang Witt-like algebras and their $q$-analogues . . . . . . . . . . . . . 221--231 Peter \vSemrl Characterization of matrices having rank $k$ . . . . . . . . . . . . . . . . . . 233--238 Hugo J. Woerdeman Hermitian and normal completions . . . . 239--280
David London A determinantal inequality and its permanental counterpart . . . . . . . . 281--290 M. H. Lim Linear preservers of decomposable symmetric tensors . . . . . . . . . . . 291--302 Shaun Fallat and P. Van Den Driessche Maximum determinant of $ (0, 1) $ matrices with certain constant row and column sums . . . . . . . . . . . . . . 303--318 Si-Ju Kim On convertible $ (0, 1) $ matrices . . . 319--322 Dmitry Falikman The permanent of a class of matrices associated with a finite group . . . . . 323--347 D. W. Lewis Hankel matrices and quadratic forms . . 349--363 J. M. Carnicer and J. M. Pena Bidiagonalization of oscillatory matrices . . . . . . . . . . . . . . . . 365--376
Morris Newman The work of Robert C. Thompson . . . . . 1--6 Anonymous Robert C. Thompson research articles . . 7--11 Jane M. Day Robert C. Thompson, 1931--1995 . . . . . 13--18 Leiba Rodman Products of symmetric and skew-symmetric matrices . . . . . . . . . . . . . . . . 19--34 Claire Cates Haulk and John Drew and Charles R. Johnson and J. Hunter Tart Characterization of supercommuting matrices . . . . . . . . . . . . . . . . 35--51 T. Ando and K. Okubo Höder-type inequalities associated with operator radii and Schur products . . . 53--61 Leroy B. Beasley and Raphael Loewy Rank preservers on spaces of symmetric matrices . . . . . . . . . . . . . . . . 63--86 Tin-Yau Tam Kostant's convexity theorem and the compact classical groups . . . . . . . . 87--113 Marvin Marcus A lower bound for the product of linear forms . . . . . . . . . . . . . . . . . 115--120 John Goldwasser and William Klostermeyer and George Trapp Characterizing switch-setting problems 121--135 R. Puystjens and R. E. Hartwig The group inverse of a companion matrix 137--150 Shmuel Friedland Properly discontinuous groups acting on certain matrix homogeneous spaces . . . 151--167 Abraham Berman and Dafna Shasha Set inertia-preserving matrices . . . . 169--179 José Gelonch and Charles R. Johnson and Pere Rubi\'c An extension of Flanders theorem to several matrices . . . . . . . . . . . . 181--200 Russell Merris Large families of Laplacian isospectral graphs . . . . . . . . . . . . . . . . . 201--205 Rajendra Bhatia and Fuad Kittaneh and Ren Cang Li Some inequalities for commutators and an application to spectral variation. II 207--219 Robert M. Guralnick Invertible Preservers and Algebraic Groups II: Preservers of Similarity Invariants and Overgroups of $ {\rm PSL}_n(F) $ . . . . . . . . . . . . . . 221--255 Robert M. Guralnick and Chi-Kwong Li Invertible preservers and algebraic groups III: preservers of unitary similarity (congruence) invariants and overgroups of some unitary subgroups . . 257--282 David Carlson and Charles R. Johnson Extremal patterns of distinct entries in vectors in the range of a matrix . . . . 283--297 Fernando C. Silva and Maria M. Torres Rank Partitions under Small Perturbations . . . . . . . . . . . . . 299--313 Bo-Ying Wang and Fuzhen Zhang Schur complements and matrix inequalities of Hadamard products . . . 315--326 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Natália Bebiano and João da Providência Numerical ranges in physics . . . . . . 327--337 Masatoshi Fujii and Jian Fei Jiang and Eizaburo Kamei Characterization of chaotic order and its applications to Furuta's type operator inequalities . . . . . . . . . 339--349 Pei Yuanwu A numerical range characterization of Jordan blocks . . . . . . . . . . . . . 351--361 Mao-Ting Chien The envelope of the generalized numerical range . . . . . . . . . . . . 363--376 Chi-Kwong Li $q$-numerical ranges of normal and convex matrices . . . . . . . . . . . . 377--384 Chi-Kwong Li and Hiroshi Nakazato Some Results on the $q$-Numerical Range 385--409 Tian-Gang Lei Congruence numerical ranges and their radii . . . . . . . . . . . . . . . . . 411--427 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Ludwig Elsner and Tomasz Szulc Block $P$-matrices . . . . . . . . . . . 1--12 Lemod Gurvits Trace inequalities and linear programming (with applications to Markov chains) . . . . . . . . . . . . . . . . 13--24 O. E. Tikhonov On matrix-subadditive functions and a relevant trace inequality . . . . . . . 25--28 Josef Nedoma Inaccurate linear equation system with a restricted-rank error matrix . . . . . . 29--44 M. Shahryari and M. A. Shahabi On a permutation character of $ S_m $ 45--52 Alan Edelman and David Friendman A counterexample to a Hadamard matrix pivot conjecture . . . . . . . . . . . . 53--56 Ronald L. Smith and Shu-An Hu Inequalites for monotonic pairs of $Z$-matrices . . . . . . . . . . . . . . 57--65 Reinhard Nabben Matrices whose inverses are generalized $M$-matrices . . . . . . . . . . . . . . 67--84 John H. Drew and Charles R. Johnson The completely positive and doubly nonnegative completion problems . . . . 85--92 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Ma. Isabel Garciá-Planas and Ma. Dolors Magret A generalized Sylvester equation: a criterion for structural stability of triples of matrices . . . . . . . . . . 93--109 M. Purificaçãao Coelho and M. Antónia Duffner On the conversion of an immanant into another . . . . . . . . . . . . . . . . 111--130 Steve Kirkland and Shaun Fallat Perron components and algebraic connectivity for weighted graphs . . . . 131--148 Abraham Berman and Naomi Shaked-Monderer Remarks on completely positive matrices 149--163 Mihaly Bakonyi and Charles R. Johnson and David P. Stanford Sign pattern matrices that require domain-range pairs with given sign patterns . . . . . . . . . . . . . . . . 165--178 G. Rousseau A sufficient condition for a non-negative matrix to have non-negative determinant . . . . . . . . . . . . . . 179--185 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Raul Ernesto Gonzalez and D. J. Hartfiel Manifolds of idempotent matrices . . . . 187--193 Bit-Shun Tam Exterior numerical radii and antiinvariant subspaces . . . . . . . . 195--245 Jürgen Grob and Götz Trenkler On the product of oblique projectors . . 247--259 Natália Bebiano and Cecília Perdigão Extremal matrices in certain determinantal inequalities . . . . . . . 261--276 Wai-Kiu Chan and Yip-Cheung Chan and Man-Keung Siu Minimal rank of abelian group matrices 277--285 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Charles R. Johnson and Charles Waters and S. Pierce Sign patterns occurring in orthogonal matrices . . . . . . . . . . . . . . . . 287--299 Ludwig Elsner and Tomasz Szulc Convex combinations of matrices-nonsingularity and Schur stability characterizations . . . . . . 301--312 C. M. Da Fonseca and J. Petronilho Path polynomials of a circuit: a constructive approach . . . . . . . . . 313--325 J. Maroulas and P. Psarrakos A connection between numerical ranges of selfadjoint matrix polynomials . . . . . 327--340 Durmus Bozkurt On the $ l_p $ norms of Cauchy--Toeplitz matrices . . . . . . . . . . . . . . . . 341--346 B. Sury Arithmetic of subgroup counting in some free products . . . . . . . . . . . . . 347--355 Fernando C. Silva Invariant polynomials of matrices with prescribed entries . . . . . . . . . . . 357--372 Chi-Kwong Li and Roy Mathias Some interlacing theorems on the Schur complement . . . . . . . . . . . . . . . 373--382 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Mark Krupnik and J. J. McDonald Hereditary properties of matrices with cut-points . . . . . . . . . . . . . . . 1--17 Thomas Craven and George Csordas A Sufficient condition for strict total positivity of a matrix . . . . . . . . . 19--34 Jiu Ding On the perturbation of least squares problems with equality constraints . . . 35--47 Hwa-Long Gau and Pei Yuan Wu Numerical range of $ s(\phi) $ . . . . . 49--73 J. J. McDonald and R. Nabben and M. Neumann and H. Scheider and M. J. Tsatsomeros Inverse tridiagonal $Z$-Martices . . . . 75--97 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Huang Liping The minimal polynomial of a matrix . . . 99--107 Hwa-Long Gau and Pei Yuan Wu Dilation to inflations of $ s(\phi) $ 109--123 Durmus Bozkurt On the norms of Cauchy--Toeplitz matrices . . . . . . . . . . . . . . . . 125--130 Yimin Wei Expressions for the Drazin inverse of a $ 2 \times 2 $ Block Matrix . . . . . . 131--146 Paolo Tilli A note on the spectral distribution of Toeplitz matrices . . . . . . . . . . . 147--159 Georg Zimmermann A minimax-condition for the characteristic center of a tree . . . . 161--187 Lajos Molnár and Peter \vSemrl Some linear preserver problems on upper triangular matrices . . . . . . . . . . 189--206 Rafael Bru and Néstor Thome Group inverse and group involutory Matrices . . . . . . . . . . . . . . . . 207--218 Min Ho Lee Radon transforms, Laplacians, and flows for directed graphs . . . . . . . . . . 219--233 John W. Auer On the invertibility of Hadamard powers of distance matrices . . . . . . . . . . 235--245 R. B. Bapat and Sukanta Pati Algebraic connectivity and the characteristic set of a graph . . . . . 247--273 Russell Merris Doubly stochastic graph matrices, II . . 275--285 Russell Merris Book review . . . . . . . . . . . . . . 287--289 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Peter M. Gibson and Guo-Hui Zhang Column orthogonal $ (0, 1, - 1)$-matrices . . . . . . . . . . . . . . 291--316 Yik-hoi au Yeung and Lok-shun Siu Quaternionic Numerical Range and Real Subspaces . . . . . . . . . . . . . . . 317--327 Ernest L. Stitzinger and Rudolph M. Turner Concerning derivations of Lie algebras 329--331 Durmus Bozkurt On the $_p$ norms of Hadamard product of Cauchy--Toeplitz and Cauchy--Hankel matrices . . . . . . . . . . . . . . . . 333--339 Catherine Kunicki Commutativity-preserving and normal-preserving linear transformations on . . . . . . . . . . . . . . . . . . . 341--347 Shaofang Hong Lower bounds for determinants of matrices associated with classes of arithmetical Functions . . . . . . . . . 349--358 Hwa-long Gau and Pei yuan Wu Lucas' theorem refined . . . . . . . . . 359--373 S. Gill Williamson Straightening Bases for Tensor Products 375--392 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Ana Paula Santana and João Filipe Queiró and Educardo Marques De Sá Group representations and matrix spectral problems . . . . . . . . . . . 1--23 Juan M. Gracia and Inmaculadade Hoyos and Franscisco E. Velasco Safety neighbourhoods for the invariants of the matrix similarity . . . . . . . . 25--49 Olga Azenhas The admissible interval for the invariant factors of a product of matrices . . . . . . . . . . . . . . . . 51--99 I. Baragaña and I. Zaballa Feedback invariants of pairs of matrices and restrictions . . . . . . . . . . . . 101--116 Fernando C. Silva On the eigenvalues of matrices with prescribed upper triangular part . . . . 117--138 C. R. Johnson and António Leal Duarte The maximum multiplicity of an eigenvalue in a matrix whose graph is a tree . . . . . . . . . . . . . . . . . . 139--144 O. Neto and F. C. Silva Singular regular differential equations and eigenvalues of products of matrices 145--164 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Bolian Liu and Zhou Bo On the hall exponents of boolean matrices . . . . . . . . . . . . . . . . 165--175 Charles R. Johnson and Ronald L. Smith Path product matrices . . . . . . . . . 177--191 Wasin So Rank one perturbation and its application to the Laplacian spectrum of a graph . . . . . . . . . . . . . . . . 193--198 Zhang Xian and Cao Chongguang and Bu Changjiang Additive maps preserving M--P inverses of matrices over Fields . . . . . . . . 199--211 Catherine Greenhill An algorithm for recognising the exterior square of a matrix . . . . . . 213--244 Moshe Roitman A short proof of the Jordan decomposition theorem . . . . . . . . . 245--247 Boyd Coan Top exterior powers over commutative rings . . . . . . . . . . . . . . . . . 249--258 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Daniel Hershkowitz and Michael Neumann and Hans Schneider Hermitian positive semidefinite matrices whose entries are $0$ or $1$ in Modulus 259--264 Jürgen Grob On oblique projection, rank additivity and the Moore--Penrose inverse of the sum of two matrices . . . . . . . . . . 265--275 Cristina Caldeira Correction to ``Critical pairs of matrices for the degree of the minimal polynomial of the Kronecker sum'' . . . 277--280 Gerard Sierksma Limiting polytopes and periodic Markov chains . . . . . . . . . . . . . . . . . 281--298 Ravindra B. Bapat and Jerrold W. Grossman and Devadatta M. Kulkarni Generalized matrix tree theorem for mixed graphs . . . . . . . . . . . . . . 299--312 Pablo A. Iglesias On the Riccati difference equation of optimal control . . . . . . . . . . . . 313--326 Frank Uhlig General polynomial roots and their multiplicities in $ O(N) $ memory and $ O(N^2) $ Time . . . . . . . . . . . . . 327--359 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Panayiotis J. Psarrakos and Panayiotis M. Vilamos The $q$-numerical range of matrix polynomials . . . . . . . . . . . . . . 1--9 Tin-yau Tam Group majorization, Eaton triples and numerical range . . . . . . . . . . . . 11--28 Ilya M. Spitkovsky On the non-round points of the boundary of the numerical range . . . . . . . . . 29--33 Man-Duen Choi and Chi-Kwong Li Numerical ranges and dilations . . . . . 35--48 Richard Marcuson On the simplicity of some Kac--Moody groups . . . . . . . . . . . . . . . . . 49--55 C. Jordán and J. R. Torregrosa and A. Urbano Controllability completion problems of partial upper triangular matrices . . . 57--75 George W. Solues Extending the Minc--Br\`egman upper bound for the permanent . . . . . . . . 77--91 Steve Kirkland A bound on the algebraic connectivity of a graph in terms of the number of cutpoints . . . . . . . . . . . . . . . 93--103 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Nicolae Anghel Clifford matrices and a problem of Hurwitz . . . . . . . . . . . . . . . . 105--117 Jiu Ding Perturbation of systems of linear algebraic equations . . . . . . . . . . 119--127 Lowell Abrams and Donniell E. Fishkind and Silvia Valdes-Leon Reflecting the Pascal matrix about its main antidiagonal . . . . . . . . . . . 129--136 M. R. Darafsheh and M. R. Pournaki On the orthogonal basis of the symmetry classes of tensors associated with the dicyclic group . . . . . . . . . . . . . 137--149 Carlos Gamas Spherical functions and immanants . . . 151--173 Mátyá Domokos Relative invariants of $ 3 \times 3 $ matrix triples . . . . . . . . . . . . . 175--190 Xingzhi Zhan Some research problems on the Hadamard product and singular values of matrices 191--194 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Jirí Rohn Computing the norm $ ||A||_\infty 1 $ is NP-hard . . . . . . . . . . . . . . . . 195--204 Miroslav Petrovi\'c and Ivan Gutman and Mirko Lepovi\'c and Bojana Mileki\'c On bipartite graphs with small number of Laplacian eigenvalues greater than two and three . . . . . . . . . . . . . . . 205--215 Ravindra B. Bapat and Jerrold W. Grossman and Devadatta M. Kulkarni Edge version of the matrix tree theorem for trees . . . . . . . . . . . . . . . 217--229 M. H. Lim Dimension inequalities for the closure of the image of a multilinear function 231--234 Shaun M. Fallat and Charles R. Johnson and Thomas L. Markham Eigenvalues of products of matrices and submatrices in certain positivity classes . . . . . . . . . . . . . . . . 235--248 Wasin So and Robert C. Thompson Singular values of matrix exponentials 249--258 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Kunwook Choi and Don Hadwin and Bok Ja Kim General reflexivity and pattern subspaces . . . . . . . . . . . . . . . 259--280 Dino Lorenzini Arithmetical properties of Laplacians of graphs . . . . . . . . . . . . . . . . . 281--306 Abraham Berman and Xiao-Dong Zhang A note on degree antiregular graphs . . 307--311 L. Livshits and G. Macdonald and H. Radjavi Cone-transitive matrix semigroups . . . 313--350 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Ludwig Elsner and Tomasz Szulc Convex sets of Schur stable and stable matrices . . . . . . . . . . . . . . . . 1--19 Stephen J. Kirkland and Michael Neumann Extremal first passage times for trees 21--33 Fabio di Benedetto and Stefano Serra Capizzano Optimal multilevel matrix algebra operators . . . . . . . . . . . . . . . 35--66 Nahum Zobin and Veronica Zobin Geometric structure of $ b_{2, 2}$-orbihedra and interpolation of operators . . . . . . . . . . . . . . . 67--91 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Marat Ibragimov Conditions for positive definiteness of $M$-matrices . . . . . . . . . . . . . . 93--106 Richard Aron and Raquel Gonzalo and Andriy Zagorodnyuk Zeros of real polynomials . . . . . . . 107--115 Jiong-Sheng Li and Yong-Liang Pan A note on the second largest eigenvalue of the Laplacian matrix of a graph . . . 117--121 Yongge Tian The solvability of two linear matrix equations . . . . . . . . . . . . . . . 123--147 R. B. Bapat and Sukanta Pati and Seok-Zun Song Rank preservers of matrices over max algebra . . . . . . . . . . . . . . . . 149--164 Charles R. Johnson and Peter M. Nylen Hadamard product submultiplicativity of certain induced norms . . . . . . . . . 165--178 Vasyl Petrychkovych Generalized equivalence of pairs of matrices . . . . . . . . . . . . . . . . 179--188 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
V. Bolotnikov and L. Rodman Positive extension and completion problems for a class of structured matrices . . . . . . . . . . . . . . . . 189--235 Stephen J. Kirkland and Jason J. Molitierno and Michael Neumann The sharpness of a lower bound on the algebraic connectivity for maximal graphs . . . . . . . . . . . . . . . . . 237--246 Mandeep Singh and Jaspal Singh Aujla and H. L. Vasudeva Inequalities for Hadamard product and unitarily invariant norms of matrices 247--262 S. Georgiou and C. Koukouvinos and Jennifer Seberry On circulant best matrices and their applications . . . . . . . . . . . . . . 263--274 Fuzhen Zhang Equivalence of the Wielandt inequality and the Kantorovich inequality . . . . . 275--279 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Chi-Kwong Li and Peter \vSemrl and Graca Soares Linear operators preserving the numerical range (radius) on triangular matrices . . . . . . . . . . . . . . . . 281--292 Alexander Guterman Frobenius type theorems in the noncommutative case . . . . . . . . . . 293--311 Leroy B. Beasley and Seok-Zun Song and Sang-Gu Lee Zero-term rank preservers . . . . . . . 313--318 Leroy B. Beasley and Thomas J. Laffey Linear preservers of matrices of rank-$2$ . . . . . . . . . . . . . . . . 319--331 M. H. Lim Linear preservers of orthogonal decomposable Tensors . . . . . . . . . . 333--354 Raphael Loewy Large spaces of symmetric matrices of bounded rank are decomposable . . . . . 355--382 M. Purificação Coelho and M. Antónia Duffner Subspaces where an immanant is convertible into its conjugate . . . . . 383--408 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Moshe Goldberg and W. A. J. Luxemburg Discontinuous subnorms . . . . . . . . . 1--24 Chi-Kwong Li and Alexandru Zaharia Linear operators preserving decomposable numerical radii on orthonormal tensors 25--43 Brian Lins and Patrick Meade and Christian Mehl and Leiba Rodman Normal matrices and polar decompositions indefinite inner products . . . . . . . 45--89 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Danrun Huang A cyclic six-term exact sequence for block matrices over a PID . . . . . . . 91--114 Roger E. Zarnowski Generalized inverses and the total stopping times of Collatz sequences . . 115--130 Zhou Bo On the generalized indices of boolean matrices . . . . . . . . . . . . . . . . 131--141 D. Cvetkovi\'c and S. Simi\'c and G. Caporossi and P. Hansen Variable neighborhood search for extremal graphs 3 . . . . . . . . . . . 143--160 Yubin Gao and Yanling Shao Inertially arbitrary patterns . . . . . 161--168 Dennis E. White and S. Gill Williamson Research problem: combinatorial and multilinear aspects of sign-balanced posets . . . . . . . . . . . . . . . . . 169--181 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
H. Teimoori and M. Bayat Pascal $k$-eliminated functional matrix and Eulerian numbers . . . . . . . . . . 183--194 A. Galántai Rank reduction, factorization and conjugation . . . . . . . . . . . . . . 195--207 Yong-Liang Pan and Jiong-Sheng Li and Yao-Ping Hou Lower bounds on the third smallest Laplacian eigenvalue of a graph . . . . 209--218 R. B. Bapat and S. J. Kirkland and S. Pati The perturbed Laplacian matrix of a graph . . . . . . . . . . . . . . . . . 219--242 Susana Furtado and Charles R. Johnson Spectral variation under congruence . . 243--259 Brian Lins and Patrick Meade and Christian Mehl and Leiba Rodman Research problem: indefinite inner product normal matrices . . . . . . . . 261--268 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
Yongge Tian Rank equalities related to outer inverses of matrices and applications 269--288 Yasuo Teranishi Main eigenvalues of a graph . . . . . . 289--303 W. L. Chool and M. H. Lim Rank-one nonincreasing mappings on triangular matrices and some related preserver problems . . . . . . . . . . . 305--336 Xingzhi Zhan Span of the orthogonal orbit of real matrices . . . . . . . . . . . . . . . . 337--346 Yaoping Hou Bicyclic graphs with minimum energy . . 347--354 Anonymous Editorial board . . . . . . . . . . . . ebi--ebi
J. A. Rodríguez On the Laplacian Eigenvalues and Metric Parameters of Hypergraphs . . . . . . . 1--14 Rajendra Bhatia and William Kahan and Ren-Cang Li Pinchings and Norms of Scaled Triangular Matrices . . . . . . . . . . . . . . . . 15--21 Si-Ju Kim and Bryan Shader Sign-Solvable Cone-Systems . . . . . . . 23--32 M. A. Fiol and E. Garriga Pseudo-Strong Regularity Around a Set 33--47 Timothy Redmond Proving Polynomial Riemann Hypotheses through Eigenfunctions . . . . . . . . . 49--59 Michael Neubauer and William Watkins $D$-optimal Designs for Seven Objects and a Large Number of Weighings . . . . 61--74 M. Adam and J. Maroulas and P. Psarrakos On the Numerical Range of Rational Matrix Functions . . . . . . . . . . . . 75--89 J. M. Peña Sign Regular Matrices of Order Two . . . 91--97 Arthur Ramer Letter to the Editor . . . . . . . . . . 99--100
Seok-Zun Song and Suk-Geun Hwang and Gi-Sang Cheon Minimum Permanents on a Face of the Polytope of Doubly Stochastic Matrices II . . . . . . . . . . . . . . . . . . . 101--111 Tin-Yau Tam Generalized Schur-concave Functions and Eaton Triples . . . . . . . . . . . . . 113--120 Heydar Radjavi and Peter Rosenthal On Commutators of Idempotents . . . . . 121--124 Yongge Tian The Minimum Rank of a $ 3 \times 3 $ Partial Block Matrix . . . . . . . . . . 125--131 Fan Yizheng On Spectral Integral Variations of Graphs . . . . . . . . . . . . . . . . . 133--142 Assaf Goldberger and Michael Neumann The Hadamard Product of Circulant Matrices on Three Symbols that are Inverses of $M$-Matrices . . . . . . . . 143--149 P. J. Psarrakos and M. J. Tsatsomeros On the Stability Radius of Matrix Polynomials . . . . . . . . . . . . . . 151--165 C. Koukouvinos and M. Mitrouli and Jennifer Seberry An Infinite Family of Hadamard Matrices with Fourth Last Pivot $ n / 2 $ . . . . 167--173 Eugene Boman The Moore--Penrose Pseudoinverse of an Arbitrary, Square, $k$-circulant Matrix 175--179 Daniel Turcotte Spectral Representation of Analytic Diagonalizable Matrix-valued Functions that Commute with their Derivative . . . 181--183 K. Okubo and H. J. Woerdeman Rank Reducing Matrix Norms . . . . . . . 185--197
L. Elsner and V. Monov and T. Szulc On Some Properties of Convex Matrix Sets Characterized by $P$-Matrices and Block $P$-Matrices . . . . . . . . . . . . . . 199--218 Hari Bercovici Numerical Ranges of Operators of Class $ C_0 $ . . . . . . . . . . . . . . . . . 219--222 F. Farid On the Numerical Range of Operator Polynomials . . . . . . . . . . . . . . 223--239 Hans Havlicek and Klaus List and Corrado Zanella On Automorphisms of Flag Spaces . . . . 241--251 Steve Kirkland and Sukanta Pati On Vertex Connectivity and Absolute Algebraic Connectivity for Graphs . . . 253--284
J. J. Koliha and V. RakoCevi\'c Invertibility of the Sum of Idempotents 285--292 S. Georgiou and C. Koukouvinos New Infinite Classes of Orthogonal Designs . . . . . . . . . . . . . . . . 293--300 Seok-Zun Song and Young-Bae Jun Minimum Permanents of Tridiagonal Doubly Stochastic Matrices . . . . . . . . . . 301--306 Chi-Kwong Li and Peter \vSemrl Numerical Radius Isometries . . . . . . 307--314 Lajos Molnár and Peter \vSemrl Elementary Operators on Standard Operator Algebras . . . . . . . . . . . 315--319 Chi-Kwong Li and Edward Poon Additive Decomposition of Real Matrices 321--326 Ashok T. Amin and Peter J. Slater and Guo-Hui Zhang Parity Dimension for Graphs --- A Linear Algebraic Approach . . . . . . . . . . . 327--342 Fabio Di Benedetto and Stefano Serra Capizzano A Note on the Superoptimal Matrix Algebra Operators . . . . . . . . . . . 343--372 Robert W. Donley and Mark Sepanski Schur Orthogonality Relations for the Finitary Infinite Symmetric Group . . . 373--377
Marvin Marcus Henryk Minc --- A Biography . . . . . . 1--10 Guoliang Chen and Guoming Liu and Yifeng Xue Perturbation Analysis of the Generalized Bott--Duffin Inverse of $L$-zero Matrices . . . . . . . . . . . . . . . . 11--20 Yaoping Hou and Jiongsheng Li and Yongliang Pan On the Laplacian Eigenvalues of Signed Graphs . . . . . . . . . . . . . . . . . 21--30 Yong-Liang Pan and Yao-Ping Hou Two Necessary Conditions for $ \lambda 2 (G) = d 2 (G) $ . . . . . . . . . . . . 31--38 J. J. McDonald and D. D. Olesky and M. J. Tsatsomeros and P. van den Driessche On the Spectra of Striped Sign Patterns 39--48 Chi-Kwong Li and Thomas Milligan Linear Preservers of Finite Reflection Groups . . . . . . . . . . . . . . . . . 49--81 S. K. Jain and John Tynan Nonnegative Rank Factorization of a Nonnegative Matrix $A$ with $ A A \geq 0$ . . . . . . . . . . . . . . . . . . . 83--95 J. J. Koliha and V. Rakocevi\'c Invertibility of the Difference of Idempotents . . . . . . . . . . . . . . 97--110
Yongge Tian Ranks of Solutions of the Matrix Equation $ A X B = C $ . . . . . . . . . 111--125 M. Purificação Coelho and M. Antónia Duffner On the Relation Between the Determinant and the Permanent on Symmetric Matrices 127--136 M. PurificaÇão Coelho and M. Antónia On the Conversion of an Immanant into Another on Symmetric Matrices . . . . . 137--145 Fan Yizheng Spectral Integral Variations of Degree Maximal Graphs . . . . . . . . . . . . . 147--154 Wai-Shun Cheung Multiplicative Maps With Specified $ (1, 1)$-Entry . . . . . . . . . . . . . . . 155--162 Shuanping Du and Jinchuan Hou Positive Definite Solutions of Operator Equations $ X m + A * X - n A = I $ . . 163--173 A. Galántai Perturbations of Triangular Matrix Factorizations . . . . . . . . . . . . . 175--198 Chi-Kwong Li and Yiu-Tung Poon Principal Submatrices of a Hermitian Matrix . . . . . . . . . . . . . . . . . 199--208 Moshe Goldberg and Robert Guralnick and W. A. J. Luxemburg Stable Subnorms II . . . . . . . . . . . 209--219
Shaun M. Fallat and Steve Kirkland and Sukanta Pati Maximizing Algebraic Connectivity Over Unicyclic Graphs . . . . . . . . . . . . 221--241 Cristina Caldeira A Lower Bound for the Deree of the Minimal Polynomial of the Kronecker Product . . . . . . . . . . . . . . . . 243--262 Thomas H. Pate The Best Lower Bound for the Permanent of a Correlation Matrix of Rank Two . . 263--278 Seok-Zun Song and LeRoy B. Beasley Linear Operators that Preserve Commuting Pairs of Nonnegative Real Matrices . . . 279--283 J. A. Rodríguez On the Laplacian Spectrum and Walk-regular Hypergraphs . . . . . . . . 285--297 Wai-Shun Cheung Lie Derivations of Triangular Algebras 299--310 Seok-Zun Song and Kyung-Tae Kang Column Ranks and Their Preservers of Matrices Over Max Algebra . . . . . . . 311--318
George W. Soules New permanental upper bounds for nonnegative matrices . . . . . . . . . . 319--337 Cristina Caldeira and J. A. Dias da Silva Young symmetrizers and additive theory 339--359 Thomas H. Pate Extreme rays for the large cone of Hermitian generalized matrix functions 361--391 Suk-Geun Hwang and Xiao-Dong Zhang Permanents of graphs with cut vertices 393--404 M. Petrovi\'c and Z. Radosavljevi\'c and S. Simi\'c A graph and its complement with specified spectral properties . . . . . 405--419
Xiquan Shi and Fengshan Liu and Hanson Umoh and Frank Gibson Two kinds of nonlinear matrix equations and their corresponding matrix sequences 1--15 S. J. Kirkland and M. Neumann On algebraic connectivity as a function of an edge weight . . . . . . . . . . . 17--33 Cornelius Kurtz On sums and products of matrix similarity classes I . . . . . . . . . . 35--47 Xian Zhang The general common Hermitian Nonnegative-definite solution to the matrix equations $ A X A^* = B $ and $ C X C^* = D $ . . . . . . . . . . . . . . 49--60 Bin Ren and Guoxing Ji Certain structure of Similarity-preserving linear maps . . . 61--68 Gregor Dolinar and Peter \vSemrl Maps on Matrix Algebras Preserving Commutativity . . . . . . . . . . . . . 69--78
Steve Kirkland A characterization of spectral integral variation in two places for Laplacian matrices . . . . . . . . . . . . . . . . 79--98 Bassam Mourad On a Lie-theoretic approach to generalized doubly stochastic matrices and applications . . . . . . . . . . . . 99--113 E. Spiegel Lie products in incidence algebras . . . 115--120 Jan Hora Orthogonal decompositions and canonical embeddings of multilinear alternating forms . . . . . . . . . . . . . . . . . 121--132 Randall R. Holmes Orthogonality of cosets relative to irreducible characters of finite groups 133--143 Jason J. Molitierno and Michael Neumann On operations in which graphs are appended to trees . . . . . . . . . . . 145--156
C. K. Li and T. Y. Tam Editorial . . . . . . . . . . . . . . . 157--157 Mao-Ting Chien and Hiroshi Nakazato Complex Formulation of Poncelet Property in Numerical Range . . . . . . . . . . . 159--175 Ethan S. Brown and Ilya M. Spitkovsky On Matrices with Elliptical Numerical Ranges . . . . . . . . . . . . . . . . . 177--193 Hwa-Long Gau and Pei Yuan Wu Numerical Range of a Normal Compression 195--201 N. Bebiano and R. Lemos and J. da Providência and G. Soares On Generalized Numerical Ranges of Operators on an Indefinite Inner Product Space . . . . . . . . . . . . . . . . . 203--233 Chi-Kwong Li and Nung-Sing Sze Inclusion Regions for Numerical Ranges and Linear Preservers . . . . . . . . . 235--249 Maria Adam and Panayiotis Psarrakos On a Compression of Normal Matrix Polynomials . . . . . . . . . . . . . . 251--263 Chi-Kwong Li and Leiba Rodman Multiplicative Preservers of $C$-Numerical Ranges and Radii . . . . . 265--279 T. Ando Aluthge Transforms and the Convex Hull of the Eigenvalues of a Matrix . . . . . 281--292 Ameur Seddik On the Numerical Range and Norm of Elementary Operators . . . . . . . . . . 293--302
Servet Martínez and Jaime San Martín and Xiao-Dong Zhang A Class of $M$-matrices whose Graphs are Trees . . . . . . . . . . . . . . . . . 303--319 V. Bolotnikov and L. Rodman Finite Dimensional Backward Shift Invariant Subspaces of a Class of Reproducing Kernel Hilbert Spaces . . . 321--334 Gregor Dolinar Maps on $ B(H) $ Preserving Idempotents 335--347 Xian Zhang Additive Maps Preserving Moore--Penrose Inverses of Matrices on Symmetric Matrix Spaces . . . . . . . . . . . . . . . . . 349--358 Charles R. Johnson and Pablo Tarazaga Binary Representation of Normalized Symmetric and Correlation Matrices . . . 359--366 Fuzhen Zhang A Matrix Identity on the Schur Complement . . . . . . . . . . . . . . . 367--373 Mehdi Radjabalipour and Heydar Radjavi On Rings of Matrices Over Division Rings 375--380 Larry J. Gerstein Characteristic Elements of Unimodular $ \mathbb {Z} $-lattices . . . . . . . . . 381--383
C. Ryan Vinroot A Factorization in $ {\rm GSp}(V) $ . . 385--403 Yongge Tian and Shizhen Cheng Some identities for Moore--Penrose inverses of matrix products . . . . . . 405--420 Jiri Rohn A theorem of the alternatives for the equation $ A x + B |x| = b $ . . . . . . 421--426 S. Marcaida and I. Zaballa Invariant factors, Wiener--Hopf factorization indices, and invariant factors at infinity of rational matrices 427--439 Kinkar Ch. Das The largest two Laplacian eigenvalues of a graph . . . . . . . . . . . . . . . . 441--460 Leiba Rodman and Stephen J. Pierce Research problem: Lipschitz properties of matrix group actions . . . . . . . . 461--466
Hanley Chiang and Chi-Kwong Li Generalized doubly stochastic matrices and linear preservers . . . . . . . . . 1--11 Marjeta Kramar The structure of irreducible matrix groups with submultiplicative spectrum 13--25 Ajda Fo\vsner Automorphisms of the poset of upper triangular idempotent matrices . . . . . 27--44 Yongge Tian The Moore--Penrose inverse for sums of matrices under rank additivity conditions . . . . . . . . . . . . . . . 45--65 Dragan Stevanovi\'c Energy and NEPS of graphs . . . . . . . 67--74
Ercan Altinisik and Bruce E. Sagan and Naim Tuglu GCD matrices, posets, and nonintersecting paths . . . . . . . . . 75--84 Helena Smigoc Construction of nonnegative matrices and the inverse eigenvalue problem . . . . . 85--96 Yi-Zheng Fan On the least eigenvalue of a unicyclic mixed graph . . . . . . . . . . . . . . 97--113 Heinz Langer and Matthias Langer and Alexander Markus and Christiane Tretter Spectrum of definite type of self-adjoint operators in Krein spaces 115--136 J. Bernik and R. Drnov\vsek and T. Ko\vsir and T. Laffey and G. MacDonald and R. Meshulam and M. Omladi\vc and H. Radjavi Common fixed points and common eigenvectors for sets of matrices . . . 137--146 Agustín Marcelo and J. Muñoz Masqué Irreducibility, integrality and factoriality of symmetric algebras . . . 147--152
Xian Zhang Linear preservers of rank-sum-maximum, rank, rank-subtractivity, and rank-sum-minimum on symmetric matrices 153--165 David A. Yopp and Richard D. Hill Extremals and exposed faces of the cone of positive maps . . . . . . . . . . . . 167--174 Yanling Shao and Yubin Gao and Liang Sun Exponents of a class of two-colored digraphs . . . . . . . . . . . . . . . . 175--188 M. Bakonyi and T. Constantinescu Research problem: The completion number of a graph . . . . . . . . . . . . . . . 189--192 R. B. Bapat and M. Catral and Michael Neumann On functions that preserve $M$-matrices and inverse $M$-matrices . . . . . . . . 193--201 Chai Wah Wu Algebraic connectivity of directed graphs . . . . . . . . . . . . . . . . . 203--223 C. M. da Fonseca On a conjecture about the $ \mu $-permanent . . . . . . . . . . . . . . 225--230
B. Kuzma Additive mappings that do not increase minimal rank of alternate matrices . . . 231--241 S. K. Neogy and A. K. Das On almost type classes of matrices with $Q$-property . . . . . . . . . . . . . . 243--257 Janez Bernik On groups and semigroups of matrices with spectra in a finitely generated field . . . . . . . . . . . . . . . . . 259--267 Francesco Barioli and Shaun Fallat On the eigenvalues of generalized and double generalized stars . . . . . . . . 269--291 Yaoming Yu and Guorong Wang The generalized inverse over commutative rings . . . . . . . . . . . . . . . . . 293--302 C. M. Da Fonseca A note on the multiplicities of the eigenvalues of a graph . . . . . . . . . 303--307
Ismo Korkee and Pentti Haukkanen On a general form of meet matrices associated with incidence functions . . 309--321 Ajda Fo\vsner Non-linear commutativity preserving maps on $ M_n() $ . . . . . . . . . . . . . . 323--344 Dominik Benkovic Jordan homomorphisms on triangular matrices . . . . . . . . . . . . . . . . 345--356 Mao-Ting Chien and Hiroshi Nakazato and Panayiotis Psarrakos On the $q$-numerical range of matrices and matrix polynomials . . . . . . . . . 357--374 Wang Dengyin Completeness of the parabolic subgroups of projective symplectic groups . . . . 375--386 Yongge Tian and George P. H. Styan Cochran's statistical theorem for outer inverses of matrices and matrix quadratic forms . . . . . . . . . . . . 387--392
Mao-Ting Chien and Hiroshi Nakazato The $q$-numerical ranges of normal operators . . . . . . . . . . . . . . . 393--416 Xian Zhang and Nung-Sing Sze Additive rank-one preservers between spaces of rectangular matrices . . . . . 417--425 Ian M. Wanless Permanents of matrices of signed ones 427--433 Qi Hu and Yaqin Li and Xingzhi Zhan Possible numbers of ones in $0$--$1$ matrices with a given rank . . . . . . . 435--443 Yongge Tian Some rank equalities and inequalities for Kronecker products of matrices . . . 445--454 Sidney T. Hawkins Inequalities between Pythagoras numbers and algebraic ranks in Witt rings of fields . . . . . . . . . . . . . . . . . 455--461
Chu Wenchang The Fa\`a di Bruno formula and determinant identities . . . . . . . . . 1--25 Yubin Gao and Yanling Shao Inertia sets of symmetric $2$-generalized star sign patterns . . . 27--35 Li-Ping Huang and Zhe-Xian Wan Geometry of $ 2 \times 2 $ Hermitian matrices II . . . . . . . . . . . . . . 37--54 Madhur Malik and S. R. Mohan Some geometrical aspects of semidefinite linear complementarity problems . . . . 55--70 K. C. Sivakumar Moore--Penrose inverse of an invertible infinite matrix . . . . . . . . . . . . 71--77
Mao-Ting Chien and Hiroshi Nakazato and Panayiotis Psarrakos The $q$-numerical range and the Davis--Wielandt shell of reducible $ 3 \times 3 $ matrices . . . . . . . . . . 79--112 K. C. Sivakumar Generalized inverses of an invertible infinite matrix . . . . . . . . . . . . 113--122 M. A. Fiol and E. Garriga On outindependent subgraphs of strongly regular graphs . . . . . . . . . . . . . 123--140 Irene Sciriha and Ivan Gutman Minimal configuration trees . . . . . . 141--145 Luisa Carini Computing cocharacters of sign trace identities in reduced notation . . . . . 147--156
Peter Legisa Automorphisms of Mn, partially ordered by the star order . . . . . . . . . . . 157--188 Damjan Kobal Preserving diagonalisability on upper triangular matrices . . . . . . . . . . 189--194 Yongge Tian and Yoshio Takane On common generalized inverses of a pair of matrices . . . . . . . . . . . . . . 195--209 Yasuo Teranishi Main eigenvalues and automorphisms of a graph . . . . . . . . . . . . . . . . . 211--217 D. Boularas and A. Chouikrat Équations d'amorçage d'intégrales premi\`eres formelles. (French) [Bootstrap equations of formal first integrals] . . . . . . . . . . . . . . . 219--233
Demeter Krupka Trace decompositions of tensor spaces 235--263 F. Comellas and M. A. Fiol and J. Gimbert and M. Mitjana On the weak distance-regularity of Moore-type digraphs . . . . . . . . . . 265--284 Xiao-Min Tang and Xian Zhang Additive adjoint preservers between matrix spaces . . . . . . . . . . . . . 285--300 M. T. Karaev and H. Tuna On some applications of Duhamel product 301--311
Marjeta Kramar Representations of $p$-groups with submultiplicative spectra . . . . . . . 313--320 Mohamed Boumazgour An estimate for the norm of a derivation on a norm ideal . . . . . . . . . . . . 321--327 Xuzhou Chen and Robert E. Hartwig The Picard iteration and its application 329--341 Susana Furtado and Laura Iglésias and Fernando C. Silva Eigenvalues of products of matrices . . 343--353 Leiba Rodman and Peter \vSemrl Orthogonality preserving bijective maps on real and complex projective spaces 355--367 Dengyin Wang and Shikun Ou and Qiu Yu Derivations of the intermediate Lie algebras between the Lie algebra of diagonal matrices and that of upper triangular matrices over a commutative ring . . . . . . . . . . . . . . . . . . 369--377 María Isabel García-Planas Similarity of pairs of linear maps defined modulo a subspace . . . . . . . 379--389
C. Ryan Vinroot A note on orthogonal similitude groups 391--396 Süleyman Solak Research problem: on the norms of infinite Cauchy--Toeplitz-plus-Cauchy--Hankel matrices . . . . . . . . . . . . . . . . 397--398 Jiri Rohn Perron vectors of an irreducible nonnegative interval matrix . . . . . . 399--404 Julio Benítez and Néstor Thome The generalized Schur complement in group inverses and $ (k + 1)$-potent matrices . . . . . . . . . . . . . . . . 405--413 Rod Gow and Rachel Quinlan On the vanishing of subspaces of alternating bilinear forms . . . . . . . 415--428 Jerzy K. Baksalary and Oskar Maria Baksalary When is a linear combination of two idempotent matrices the group involutory matrix? . . . . . . . . . . . . . . . . 429--435 Felix Goldberg On quasi-strongly regular graphs . . . . 437--451 S. Barik and M. Neumann and S. Pati On nonsingular trees and a reciprocal eigenvalue property . . . . . . . . . . 453--465
Marek Niezgoda \boldmath $G$-majorization inequalities for linear maps, II . . . . . . . . . . 1--17 Leroy B. Beasley and Alexander E. Guterman and Sang-Gu Lee and Seok-Zun Song Frobenius and Dieudonné theorems over semirings . . . . . . . . . . . . . . . 19--34 Slobodan K. Simi\'c and Zoran Stani\'c The polynomial reconstruction of unicyclic graphs is unique . . . . . . . 35--43 Jia-Yu Shao and Ling-Zhi Ren and Qun Wu Characterizations and applications of the isolated sets of permutations . . . 45--56 Ian M. Wanless On Minc's sixth Conjecture . . . . . . . 57--63 Owen J. Brison and Wasin So Extendible elements of the alternating groups . . . . . . . . . . . . . . . . . 65--70 Chi-Kwong Li and Xin-Guo Liu and Xue-Feng Wang Extension of the total least square problem using general unitarily invariant norms . . . . . . . . . . . . 71--79 Huanyin Chen On simple factorization of invertible matrices . . . . . . . . . . . . . . . . 81--92 Ji-Ming Guo On the third largest Laplacian eigenvalue of a graph . . . . . . . . . 93--102
J. J. Koliha and V. RakoCevi\'c Range projections and the Moore--Penrose inverse in rings with involution . . . . 103--112 I. Baragaña and V. Fernández and I. Zaballa Hermite indices and state feedback: generic case . . . . . . . . . . . . . . 113--120 Margherita Barile and Fiorella Barone and Wlodzimierz M. Tulczyjew Polarizations and differential calculus in affine spaces . . . . . . . . . . . . 121--146 Fuad Kittaneh and Khalid Shebrawi Bounds for the zeros of polynomials from matrix inequalities --- II . . . . . . . 147--158 L. W. Marcoux and M. Mastnak and H. Radjavi An approximate, multivariable version of Specht's theorem . . . . . . . . . . . . 159--173 Miguel Martín and Javier Merí Numerical index of some polyhedral norms on the plane . . . . . . . . . . . . . . 175--190 Gregor Dolinar Maps on upper triangular matrices preserving Lie products . . . . . . . . 191--198 Lihua Feng and Qiao Li and Xiao-Dong Zhang Minimizing the Laplacian spectral radius of trees with given matching number . . 199--207
Shuanping Du and Jinchuan Hou and Zhaofang Bai Additive maps preserving similarity or asymptotic similarity on . . . . . . . . 209--218 A. Salemi and Gh. R. Aghamollaei Polynomial numerical hulls of matrix polynomials . . . . . . . . . . . . . . 219--228 In-Jae Kim and J. J. McDonald and D. D. Olesky and P. Van Den Driessche Inertias of zero-nonzero patterns . . . 229--238 Lennart Bondesson and Imbi Traat A nonsymmetric matrix with integer eigenvalues . . . . . . . . . . . . . . 239--247 L. Corpuz and J. J. McDonald Spectrally arbitrary zero-nonzero patterns of order $4$ . . . . . . . . . 249--273 Mao-Ting Chien and Hiroshi Nakazato The boundary of the $q$-numerical range of a reducible matrix . . . . . . . . . 275--292 J. A. Rodríguez and E. Estrada and A. Gutiérrez Functional centrality in graphs . . . . 293--302
Josep M. Brunat and Antonio Montes A polynomial generalization of the power-compositions determinant . . . . . 303--313 Guoxing Ji and Ni Liu and Ze Li Essential numerical range and maximal numerical range of the Aluthge transform 315--322 Fernando Pablos Romo On the linearity property of Tate's trace . . . . . . . . . . . . . . . . . 323--326 David Bartl Farkas' Lemma, other theorems of the alternative, and linear programming in infinite-dimensional spaces: a purely linear-algebraic approach . . . . . . . 327--353 Fei Ma and Guoxing Ji Generalized Jordan derivations on triangular matrix algebras . . . . . . . 355--363 Antonia Vecchio and Ranjan K. Mallik Bounds on the inverses of nonnegative triangular matrices with monotonicity properties . . . . . . . . . . . . . . . 365--379 K. L. Patra Maximizing the distance between center, centroid and characteristic set of a tree . . . . . . . . . . . . . . . . . . 381--397 Maozhong Fang and Anqiang Wang Possible numbers of positive entries of imprimitive nonnegative matrices . . . . 399--404
Moshe Goldberg Radii and subnorms on finite-dimensional power-associative algebras . . . . . . . 405--415 H. Radjavi and A. R. Sourour The semigroup generated by a unitary orbit of a singular matrix . . . . . . . 417--428 Kevin Bowman and David A. Towers and Vicente R. Varea Two generator subalgebras of Lie algebras . . . . . . . . . . . . . . . . 429--438 Abraham Berman and Changqing Xu Uniform and minimal $ \{ 0, 1 \} $--$ c p$ matrices . . . . . . . . . . . . . . 439--456 A. K. Lal and K. L. Patra Maximizing Laplacian spectral radius over trees with fixed diameter . . . . . 457--461 Mary Lillian Lourenço and Neusa Nogas Tocha Zeros of complex homogeneous polynomials 463--469 Christos Kravvaritis and Marilena Mitrouli and Jennifer Seberry On the pivot structure for the weighing matrix $ W(12, 11) $ . . . . . . . . . . 471--490 Javad Mashreghi and Roland Rivard On a conjecture about the eigenvalues of doubly stochastic matrices . . . . . . . 491--498 A. Y. Alfakih and Henry Wolkowicz Some necessary and some sufficient trace inequalities for Euclidean distance matrices . . . . . . . . . . . . . . . . 499--506
Elmouloudi Ed-Dari and Mohamed Amine Khamsi and Asuman Güven Aksoy On the numerical index of vector-valued function spaces . . . . . . . . . . . . 507--513 Martin Argerami and Fernando Szechtman and Ryan Tifenbach On Tate's trace . . . . . . . . . . . . 515--520 C. R. Johnson and J. M. Peña Matrices that preserve vectors of fixed sign variation . . . . . . . . . . . . . 521--533 D. Cvetkovi\'c-Ili\'c and Alegra Daji\'c and J. J. Koliha Positive and real-positive solutions to the equation $ a x a^* = c $ in $ C^* $-algebras . . . . . . . . . . . . . . . 535--543 Qiu Yu and Dengyin Wang and Shikun Ou Automorphisms of the standard Borel subalgebra of Lie algebra of \boldmath $ C_m $ type over a commutative ring . . . 545--550 Roland Hildebrand An LMI description for the cone of Lorentz-positive maps . . . . . . . . . 551--573 Roland Hildebrand Positive maps of second-order cones . . 575--597 M. Orel and B. Kuzma Additive maps on Hermitian matrices . . 599--617 Dominik Benkovi\vc Lie derivations on triangular matrices 619--626
Chi-Kwong Li and Leiba Rodman and Christiane Tretter Preface and conference report . . . . . 1--2 Thomas Schulte-herbrüggen and Gunther Dirr and Uwe Helmke and Steffen J. Glaser The significance of the \boldmath $C$-numerical range and the local \boldmath $C$-numerical range in quantum control and quantum information . . . . 3--26 G. Dirr and U. Helmke and M. Kleinsteuber and Th. Schulte-Herbrüggen Relative \boldmath $C$-numerical ranges for applications in quantum control and quantum information . . . . . . . . . . 27--51 Man-Duen Choi and Michael Giesinger and John A. Holbrook and David W. Kribs Geometry of higher-rank numerical ranges 53--64 Hugo J. Woerdeman The higher rank numerical range is convex . . . . . . . . . . . . . . . . . 65--67 Takayuki Furuta Applications of polar decompositions of idempotent and $2$-nilpotent operators 69--79 Michel Crouzeix A functional calculus based on the numerical range: applications . . . . . 81--103 Chi-Kwong Li and Yiu-Tung Poon and Nung-Sing Sze Ranks and determinants of the sum of matrices from unitary orbits . . . . . . 105--130 Hwa-Long Gau and Pei Yuan Wu Line segments and elliptic arcs on the boundary of a numerical range . . . . . 131--142 Mao-Ting Chien and Hiroshi Nakazato Flat portions on the boundary of the numerical ranges of certain Toeplitz matrices . . . . . . . . . . . . . . . . 143--162 David E. V. Rose and Ilya M. Spitkovsky On the numerical range behavior under the generalized Aluthge transform . . . 163--177 Leiba Rodman Pairs of quaternionic selfadjoint operators with numerical range in a halfplane . . . . . . . . . . . . . . . 179--184 Translated by Paul F. Zachlin and Michiel E. Hochstenbach On the numerical range of a matrix . . . 185--225
A. Galántai Subspaces, angles and pairs of orthogonal projections . . . . . . . . . 227--260 Emily B. Dryden and Charles R. Johnson and Brenda K. Kroschel Adjacent edge conditions for the totally nonnegative completion problem . . . . . 261--277 Olga Slyusareva and Michael Tsatsomeros Mapping and preserver properties of the principal pivot transform . . . . . . . 279--292 Carlos A. S. Soares Zero-sets of complex homogeneous polynomials . . . . . . . . . . . . . . 293--298 Oskar Maria Baksalary and Götz Trenkler Characterizations of EP, normal, and Hermitian matrices . . . . . . . . . . . 299--304 Bo Zhou and Ivan Gutman A connection between ordinary and Laplacian spectra of bipartite graphs 305--310 R. P. Sullivan Products of nilpotent matrices . . . . . 311--317 Winfried K. Grassmann and Javad Tavakoli The continuous spectrum for the M/M/c queue . . . . . . . . . . . . . . . . . 319--331 Jean-Gabriel Luque Hyperdeterminants on semilattices . . . 333--344 Yoo Young Koo and Jae Kun Lim and In-Sook Shin Finite orthogonal frames generated by normal operators . . . . . . . . . . . . 345--356
Charles R. Johnson and Carlos M. Saiago Branch duplication for the construction of multiple eigenvalues in an Hermitian matrix whose graph is a tree . . . . . . 357--380 Yi-Zheng Fan and Bit-Shun Tam and Jun Zhou Maximizing spectral radius of unoriented Laplacian matrix over bicyclic graphs of a given order . . . . . . . . . . . . . 381--397 Xiao-Min Tang and Jin-Li Xu and Chong-Guang Cao A note on idempotence-preserving maps 399--414 C. W. Norman On Jordan bases for the tensor product and Kronecker sum and their elementary divisors over fields of prime characteristic . . . . . . . . . . . . . 415--451 I. I. Kyrchei Analogs of the adjoint matrix for generalized inverses and corresponding Cramer rules . . . . . . . . . . . . . . 453--469 Richard A. Brualdi and Jia-Yu Shao Isolated sets of diagonals, diagonal hypergraphs, and simplices of doubly stochastic matrices . . . . . . . . . . 471--480
Sasmita Barik On the Laplacian spectra of graphs with pockets . . . . . . . . . . . . . . . . 481--490 Qiaohua Liu and Musheng Wei Reverse order law for least squares $g$-inverses of multiple matrix products 491--506 José A. De La Peña and Ivan Gutman and Juan Rada Retarded regular graphs are regular or semiregular . . . . . . . . . . . . . . 507--509 Zhanmin Zhu and Jinxiang Yu On $ {\rm GC}_2 $ modules and their endomorphism rings . . . . . . . . . . . 511--515 A. R. Madadi and M. Shahryari Symmetry classes of tensors as $ \mathfrak {sl}_n(\mathbb {C}) $-modules 517--541 Rong Huang Some inequalities for Hadamard products of matrices . . . . . . . . . . . . . . 543--554 Thomas H. Pate A generalized Neuberger identity for the inner product of symmetric products of tensors . . . . . . . . . . . . . . . . 555--563 Ismael Peña and Juan Rada Energy of digraphs . . . . . . . . . . . 565--579 Dengyin Wang and Qian Hu and Chunguang Xia Jordan derivation of certain Jordan matrix algebras . . . . . . . . . . . . 581--588 João Filipe Queiró Composite norms and perfect conditioning 589--596
S. Barik and A. K. Lal and S. Pati On trees with Laplacian eigenvalue one 597--610 Yaoping Hou and Chingwah Woo Distance unimodular equivalence of graphs . . . . . . . . . . . . . . . . . 611--626 Hong-Hai Li and Jiong-Sheng Li and Yi-Zheng Fan The effect on the second smallest eigenvalue of the normalized Laplacian of a graph by grafting edges . . . . . . 627--638 Volodymyr Mazorchuk and Slavik Rabanovich Multicommutators and multianticommutators of orthogonal projections . . . . . . . . . . . . . . 639--646 Leiba Rodman and Peter \vSemrl Orthogonality preserving bijective maps on finite dimensional projective spaces over division rings . . . . . . . . . . 647--664 Bart De Bruyn On the Grassmann-embeddings of the Hermitian dual polar spaces . . . . . . 665--677 J. Benítez and N. Thome Idempotency of linear combinations of an idempotent matrix and a $t$-potent matrix that do not commute . . . . . . . 679--687
Heydar Radjavi and Vladimir G. Troitsky Semitransitive spaces of operators . . . 1--11 Lajos Molnár Linear maps on matrices preserving commutativity up to a factor . . . . . . 13--18 Milan Nath and Bhaba Kumar Sarma Minimal configuration unicyclic graphs 19--27 Susana Furtado and Charles R. Johnson Variation in Jordan structure under congruence: the nonsingular case . . . . 29--54 M. Mbekhta and P. \vSemrl Linear maps preserving semi-Fredholm operators and generalized invertibility 55--64 Yanling Shao and Yubin Gao Exponents of $2$-colorings of loopless, symmetric digraphs . . . . . . . . . . . 65--74 Shikun Ou and Dengyin Wang and Chunguang Xia Automorphisms of a nilpotent Lie algebra over a commutative ring . . . . . . . . 75--85 Thomas H. Pate A new lower bound inequality for the norm of the symmetric product . . . . . 87--102 Ludwig Eisner and D. D. Olesky and P. van den Driessche Sufficient conditions for permutation equivalence to a WHS-matrix . . . . . . 103--110
Xiang-Dong Hou Asymptotic numbers of non-equivalent codes in three notions of equivalence 111--122 Charles R. Johnson and Robert Reams Scaling of symmetric matrices by positive diagonal congruence . . . . . . 123--140 Christian Mehl and Volker Mehrmann and André C. M. Ran and Leiba Rodman Perturbation analysis of Lagrangian invariant subspaces of symplectic matrices . . . . . . . . . . . . . . . . 141--184 Yanling Shao and Yubin Gao On the exponents of two-colored digraphs with two cycles . . . . . . . . . . . . 185--199 Miguel Martín and Javier Merí A note on the numerical index of the $ L_p $ space of dimension two . . . . . . 201--204 Yubin Gao and Yanling Shao and Jian Shen Bounds on the local bases of primitive nonpowerful nearly reducible sign patterns . . . . . . . . . . . . . . . . 205--215
M. Dodig and M. Stosi\'c Similarity class of a matrix with a prescribed submatrix . . . . . . . . . . 217--245 Steve Kirkland A cycle-based bound for subdominant eigenvalues of stochastic matrices . . . 247--266 M. Neumann and S. Pati The Laplacian spectra of graphs with a tree structure . . . . . . . . . . . . . 267--291 In-Jae Kim and D. D. Olesky and P. van Den Driessche Critical sets of inertias for matrix patterns . . . . . . . . . . . . . . . . 293--306 Matja\vz Omladi\vc and Heydar Radjavi Nilpotent commutators and reducibility of semigroups . . . . . . . . . . . . . 307--317 Ludwig Elsner and D. D. Olesky and P. van den Driessche Sufficient conditions for permutation equivalence to a WHS-matrix . . . . . . 319--319
Huajun Huang Some extensions of Witt's theorem . . . 321--344 Dragomir \vZ. \Dbarokovi\'c On orthogonal and special orthogonal invariants of a single matrix of small order . . . . . . . . . . . . . . . . . 345--354 Dragana S. Cvetkovi\'c-Ili\'c and Jianbiao Chen and Zhaoliang Xu Explicit representations of the Drazin inverse of block matrix and modified matrix . . . . . . . . . . . . . . . . . 355--364 Chi-Kwong Li and Yiu-Tung Poon and Nung-Sing Sze Condition for the higher rank numerical range to be non-empty . . . . . . . . . 365--368 Jen-Yin Han and Chin-Yuan Lin A new proof of Jordan canonical forms of a square matrix . . . . . . . . . . . . 369--386 Rosário Fernandes Rank partitions and covering numbers under small perturbations of an element 387--398 In-Jae Kim and Bryan L. Shader Non-singular acyclic matrices . . . . . 399--407 Charles R. Johnson and Brian D. Sutton and Andrew J. Witt Implicit construction of multiple eigenvalues for trees . . . . . . . . . 409--420 Wathiq Bani-Domi and Fuad Kittaneh Numerical radius inequalities for operator matrices . . . . . . . . . . . 421--427
C.-K. Li and T.-Y. Tam Preface to the special issue on the numerical range and numerical radius . . 429--429 Franciszek Hugon Szafraniec Decomposing numerical ranges along with spectral sets . . . . . . . . . . . . . 431--437 Boris Mirman Poncelet's porism in the finite real plane . . . . . . . . . . . . . . . . . 439--458 Ch. Chorianopoulos and S. Karanasios and P. Psarrakos A definition of numerical range of rectangular matrices . . . . . . . . . . 459--475 Wai-Shun Cheung and Tin-Yau Tam Pfaffian and decomposable numerical range of a complex skew symmetric matrix 477--489 David W. Kribs and Aron Pasieka and Martin Laforest and Colm Ryan and Marcus P. da Silva Research problems on numerical ranges in quantum computing . . . . . . . . . . . 491--502 Sean Clark and Chi-Kwong Li and Jennifer Mahle and Leiba Rodman Linear preservers of higher rank numerical ranges and radii . . . . . . . 503--521 Xiuling Zhang and Jinchuan Hou and Kan He Maps preserving numerical radius and cross norms of operator products . . . . 523--534
Yanting Liang and Bolian Liu and Hong-Jian Lai Multi-$g$ base index of primitive anti-symmetric sign pattern matrices . . 535--546 Yaoming Yu and Y. Wei Determinantal representation of the generalized inverse $ A_{T, S}^{(2)} $ over integral domains and its applications . . . . . . . . . . . . . . 547--559 Armando Machado Complex eigenvalues before the Fundamental Theorem of Algebra . . . . . 561--566 B. De Bruyn and A. Pasini On symplectic polar spaces over non-perfect fields of characteristic $2$ 567--575 Yasuo Teranishi Eigenvalues and automorphisms of a graph 577--585 D. S. Djordjevi\'c and J. J. Koliha and I. Straskraba Factorization of EP elements in $ C^* $-algebras . . . . . . . . . . . . . . . 587--594 Murray R. Bremner and Luiz A. Peresi Polynomial identities for the ternary cyclic sum . . . . . . . . . . . . . . . 595--608 Honglin Wu Possible numbers of ones in the squares of $0$--$1$ matrices with a given rank 609--623 Zoran Z. Petrovi\'c Bases of spaces of matrices satisfying rank conditions . . . . . . . . . . . . 625--631 K. N. Rajeswari An upper bound on separable index of certain $ {\rm SL} (3) $-modules . . . . 633--640
José A. de la Peña Cleavages of graphs: the spectral radius 641--649 Pablo Tarazaga and Juan E. Gallardo Euclidean distance matrices: new characterization and boundary properties 651--658 Tsiu-Kwen Lee and Yiqiang Zhou On irreducible and transitive subalgebras in matrix algebras . . . . . 659--672 Rosário Fernandes and C. M. da Fonseca The inverse eigenvalue problem for Hermitian matrices whose graphs are cycles . . . . . . . . . . . . . . . . . 673--682 Chi-Kwong Li and Wasin So Graphs equienergetic with edge-deleted subgraphs . . . . . . . . . . . . . . . 683--693 L. Barri\`ere and F. Comellas and C. Dalfó and M. A. Fiol On the hierarchical product of graphs and the generalized binomial tree . . . 695--712 Charles R. Johnson and Raphael Loewy and Paul Anthony Smith The graphs for which the maximum multiplicity of an eigenvalue is two . . 713--736 Glória Cravo Matrices with prescribed eigenvalues and prescribed submatrices . . . . . . . . . 737--748
Mohammad N. Abdulrahim Tensoring three irreducible linear representations of the braid group . . . 749--758 Shalom Eliahou and Cédric Lecouvey On linear versions of some addition theorems . . . . . . . . . . . . . . . . 759--775 Roger A. Horn and Vladimir V. Sergeichuk Canonical forms for unitary congruence and *congruence . . . . . . . . . . . . 777--815 Dengyin Wang and Shikun Ou and Xuansheng Wang Algebraic Lie algebras with complete Borel subalgebras . . . . . . . . . . . 817--821 M. Bendaoud and A. Bourhim and M. Burgos and M. Sarih Linear maps preserving Fredholm and Atkinson elements of $ C^* $-algebras 823--838 L. Rodman and P. \vSemrl Preservers of generalized orthogonality on finite dimensional real vector and projective spaces . . . . . . . . . . . 839--858
Marek Niezgoda Complements to some results on eigenvalues and singular values of matrices . . . . . . . . . . . . . . . . 1--13 Chun Yuan Deng and Hong Ke Du Representations of the Moore--Penrose inverse for a class of $2$-by-$2$ block operator valued partial matrices . . . . 15--26 Huajun Huang and Tin-Yau Tam On the Gelfand--Naimark decomposition of a nonsingular matrix . . . . . . . . . . 27--43 M. Asunción Beitia and Albert Compta and Inmaculada de Hoyos and Marta Peña The change of feedback invariants under column perturbations: particular cases 45--59 Geraldo Botelho and Mário C. Matos and Daniel Pellegrino Lineability of summing sets of homogeneous polynomials . . . . . . . . 61--74 Rafael Bru and Ljiljana Cvetkovi\'c and Vladimir Kosti\'c and Francisco Pedroche Sums of $ \Sigma $-strictly diagonally dominant matrices . . . . . . . . . . . 75--78 Wen-Xiu Ma and Boris Shekhtman Do the chain rules for matrix functions hold without commutativity? . . . . . . 79--87 Paolo Piccione and Daniel V. Tausk An algebraic theory for generalized Jordan chains and partial signatures in the Lagrangian Grassmannian . . . . . . 89--103 Shi-Cai Gong and Yi-Zheng Fan The property of maximal eigenvectors of trees . . . . . . . . . . . . . . . . . 105--111 Huiqing Liu and Mei Lu Bounds for the Laplacian spectral radius of graphs . . . . . . . . . . . . . . . 113--119 Yanxia Zhao and Dengyin Wang and Xuansheng Wang Maps preserving square-zero matrices on the algebra consisting of all upper triangular matrices . . . . . . . . . . 121--136
Brendon Rhoades and Mark Skandera Kazhdan--Lusztig immanants and products of matrix minors, II . . . . . . . . . . 137--150 Eloy A. Lopez and Michael G. Neubauer $D$-optimal $ (0, 1)$-weighing designs for $ 10$ objects . . . . . . . . . . . 151--171 Qiaohua Liu and Musheng Wei On direct elimination methods for solving the equality constrained least squares problem . . . . . . . . . . . . 173--184 Samuel Cooper and Stratos Prassidis Zeta functions of infinite graph bundles 185--201 Yongge Tian Eight expressions for generalized inverses of a bordered matrix . . . . . 203--220 Stephen Kirkland and Maria Aguieiras Alvarez de Freitas and Renata Raposo Del Vecchio and Nair Maria Maia de Abreu Split non-threshold Laplacian integral graphs . . . . . . . . . . . . . . . . . 221--233 Kun Du Norm inequalities involving Hadamard products . . . . . . . . . . . . . . . . 235--238 Jinming Zhou and Dengyin Wang and Qinghua Zhang Square-zero derivations of matrix algebras over commutative rings . . . . 239--243 Tom McKinley and Boris Shekhtman On simultaneous block-diagonalization of cyclic sequences of commuting matrices 245--256 M. S. Cavers On reducible matrix patterns . . . . . . 257--267
Zhaofang Bai and Jinchuan Hou and Shuanping Du Additive maps preserving rank-one operators on nest algebras . . . . . . . 269--283 Hu Yang and Hanyu Li and Hua Shao Lavoie inequalities for weighted generalized inverses of matrices . . . . 285--295 Xiaosong Sun and Xiankun Du and Dayan Liu On non-singular multilinear maps . . . . 297--303 Rosário Fernandes Location of the eigenvalues of weighted graphs with a cut edge . . . . . . . . . 305--322 Mohammad Sal Moslehian and Rajna Raji\'c Generalizations of Bohr's inequality in Hilbert $ C^* $-modules . . . . . . . . 323--331 Ali Reza Salemkar and Hamid Tavallaee and Hamid Mohammadzadeh and Behrouz Edalatzadeh On the non-abelian tensor product of Lie algebras . . . . . . . . . . . . . . . . 333--341 Chang-Pao Chen and Kuo-Zhong Wang Lower bounds of Copson type for weighted mean matrices and Nörlund matrices . . . 343--353 Qian Li and Bolian Liu and Jeffrey Stuart Bounds on the $k$-th generalized base of a primitive sign pattern matrix . . . . 355--366 R. Alizadeh and G. H. Esslamzadeh On the existence of unitarily invariant norm under some conditions . . . . . . . 367--375 A. Melman An alternative to the Brauer set . . . . 377--385 Steve Butler A note about cospectral graphs for the adjacency and normalized Laplacian matrices . . . . . . . . . . . . . . . . 387--390 Jichun Wu and Hanyuan Deng and Qin Jiang On the spectral radius of cacti with $k$-pendant vertices . . . . . . . . . . 391--398
Tawhat Changphas and R. P. Sullivan Skew idempotents in linear transformation semigroups . . . . . . . 399--411 Steve Butler Eigenvalues of $2$-edge-coverings . . . 413--423 Jacques Bénasséni On the algebraic relation between principal components corresponding to two different sets of weights . . . . . 425--429 Lianggui Feng Decompositions of some types of quaternionic matrices . . . . . . . . . 431--444 Pedro Patrício and C. Mendes Araújo Moore--Penrose invertibility in involutory rings: the case $ a a^+ = b b^+ $ . . . . . . . . . . . . . . . . . 445--452 Khalid Shebrawi and Hussien Albadawi Norm inequalities for the absolute value of Hilbert space operators . . . . . . . 453--463 Pedro G. Massey Non-commutative Schur--Horn theorems and extended majorization for Hermitian matrices . . . . . . . . . . . . . . . . 465--480 Ming-Huat Lim Adjacency preserving functions on symmetric elements and linear preservers of non-zero decomposable symmetric tensors . . . . . . . . . . . . . . . . 481--496 Hao Liang and Yong-Liang Pan and Jian Wang and Jun-Ming Xu A note on unimodular congruence of the Laplacian matrix of a graph . . . . . . 497--501 Chunyuan Deng and Dragana S. Cvetkovi\'c-Ili\'c and Yimin Wei Some results on the generalized Drazin inverse of operator matrices . . . . . . 503--521 Danko R. Joci\'c and Dorde Krtini\'c Schur--Laurent multipliers for block matrices and geometric characterization of continuous matrices . . . . . . . . . 523--534 Anonymous Thanks to referees . . . . . . . . . . . 535--535
Yonghui Liu and Yongge Tian How to use RSVD to solve the matrix equation $ A = B X C $ . . . . . . . . . 537--543 Zoran Stani\'c On regular graphs and coronas whose second largest eigenvalue does not exceed $1$ . . . . . . . . . . . . . . . 545--554 Juan Liu and Jixiang Meng Spectra of transformation digraphs of a regular digraph . . . . . . . . . . . . 555--561 Albert Compta and Josep Ferrer and Marta Peña Local differentiable pole assignment . . 563--569 Xianya Geng and Xia Hu and Shuchao Li Further results on permanental bounds for the Laplacian matrix of trees . . . 571--587 Ping-Bao Liao and Cheng-Kai Liu Lie rings of (anti-)symmetric derivations of commutative rings . . . . 589--598 Pentti Haukkanen and Pauliina Ilmonen and Ayse Nalli and Juha Sillanpää On unitary analogs of GCD reciprocal LCM matrices . . . . . . . . . . . . . . . . 599--616 Noriaki Kamiya and Susumu Okubo Representations of $ (\alpha, \beta, \gamma) $ triple system . . . . . . . . 617--643 Jean-Christophe Bourin and Omar Hirzallah and Fuad Kittaneh Jensen matrix inequalities and direct sums . . . . . . . . . . . . . . . . . . 645--652 Ruipu Bai and Xuewen Liu A class of non-nilpotent $2$-solvable $n$-Lie algebras . . . . . . . . . . . . 653--658 Qianrong Tan Divisibility among power GCD matrices and among power LCM matrices on two coprime divisor chains . . . . . . . . . 659--671
Julio Benítez and Vladimir Rakocevi\'c On the spectrum of linear combinations of two projections in $ C^* $-algebras 673--679 Oskar Maria Baksalary and Götz Trenkler Core inverse of matrices . . . . . . . . 681--697 Yufei Huang and Bolian Liu On a conjecture for fully indecomposable exponent and Hall exponent . . . . . . . 699--710 Muneo Cho and Tadasi Huruya A remark on numerical range of semi-hyponormal operators . . . . . . . 711--714 Wai Leong Chooi Rank-one non-increasing additive maps between block triangular matrix algebras 715--740 Raymond Mortini and Rudolf Rupp and Amol Sasane Matricial topological ranks for two algebras of bounded holomorphic functions . . . . . . . . . . . . . . . 741--752 Runling An and Jinchuan Hou Characterizations of Jordan derivations on rings with idempotent . . . . . . . . 753--763 Bing Zheng and Zhi-Ping Xiong The reverse order laws for $ \{ 1, 2, 3 \} $- and $ \{ 1, 2, 4 \} $-inverses of multiple matrix products . . . . . . . . 765--782 Huajun Huang and Sangjib Kim On Kostant's partial order on hyperbolic elements . . . . . . . . . . . . . . . . 783--788 Leonid Bedratyuk The Poincaré series of the algebras of simultaneous invariants and covariants of two binary forms . . . . . . . . . . 789--803
S. S. Dragomir \vCeby\vsev's type inequalities for functions of selfadjoint operators in Hilbert spaces . . . . . . . . . . . . . 805--814 Li-Ping Huang Adjacency preserving bijective maps on triangular matrices over any division ring . . . . . . . . . . . . . . . . . . 815--846 W. F. Ke and K. F. Lai and R. B. Zhang Quantum codes from Hadamard matrices . . 847--854 Pang Yongfeng and Yang Wei Derivations and local derivations on strongly double triangle subspace lattice algebras . . . . . . . . . . . . 855--862 Che-Man Cheng and Kam-Loi Cheok and Ieng-Tak Leong $ 3 \times 3 $ pure imaginary quaternionic solutions of the Hurwitz matrix equations . . . . . . . . . . . . 863--874 Takao Komatsu Four-term leaping recurrence relations 875--886 Bart de Bruyn On the Grassmann modules for the unitary groups . . . . . . . . . . . . . . . . . 887--902 Tatjana Petek Mappings preserving the idempotency of products of operators . . . . . . . . . 903--925 Hirobumi Mizuno and Iwao Sato Weighted scattering matrices of regular coverings of graphs . . . . . . . . . . 927--940
Hideo Mitsuhashi A super Frobenius formula for the characters of Iwahori--Hecke algebras 941--955 Changjiang Bu and Kuize Zhang and Jiemei Zhao Some results on the group inverse of the block matrix with a sub-block of linear combination or product combination of matrices over skew fields . . . . . . . 957--966 S. S. Dragomir and M. Khosravi and M. S. Moslehian Bessel-type inequalities in Hilbert $ C^* $-modules . . . . . . . . . . . . . 967--975 Rosário Fernandes Small perturbations and pairs of matrices that have the same immanent . . 977--991 Nicolas Goze and Elisabeth Remm The $n$-ary algebra of tensors and of cubic and hypercubic matrices . . . . . 993--1005 Mateja Grasic Zero product determined classical Lie algebras . . . . . . . . . . . . . . . . 1007--1022 Julio Benítez and Xiaoji Liu and Tongping Zhu Nonsingularity and group invertibility of linear combinations of two $k$-potent matrices . . . . . . . . . . . . . . . . 1023--1035 J. Antezana and C. Cano and I. Mosconi and D. Stojanoff A note on the star order in Hilbert spaces . . . . . . . . . . . . . . . . . 1037--1051 Thomas J. Laffey and Helena Smigoc Nonnegatively realizable spectra with two positive eigenvalues . . . . . . . . 1053--1069
Sabine Burgdorf Sums of Hermitian squares as an approach to the BMV conjecture . . . . . . . . . 1--9 Iwao Sato Bartholdi zeta functions of periodic graphs . . . . . . . . . . . . . . . . . 11--24 Dengyin Wang and Huixiang Zhai and Meilin Chen Bijective maps on unit upper triangular matrices preserving commutators . . . . 25--40 Xianya Geng and Shuchao Li On the spectral radius of tricyclic graphs with a fixed diameter . . . . . . 41--56 A. N. Grishkov and F. Marko and A. N. Zubkov Description of costandard modules for Schur superalgebra $S$ (2|1) in positive characteristic . . . . . . . . . . . . . 57--64 M. Seetharama Gowda and J. Tao The Cauchy interlacing theorem in simple Euclidean Jordan algebras and some consequences . . . . . . . . . . . . . . 65--86 A. A. Lopatin On minimal generating systems for matrix $O$ (3)-invariants . . . . . . . . . . . 87--99 Xiaoji Liu and Lingling Wu and Yaoming Yu The group inverse of the combinations of two idempotent matrices . . . . . . . . 101--115
Lijun Zhao and Xiyan Hu and Lei Zhang Inverse eigenvalue problems for bisymmetric matrices under a central principal submatrix constraint . . . . . 117--128 Yongge Tian Two universal similarity factorization equalities for commutative involutory and idempotent matrices and their applications . . . . . . . . . . . . . . 129--144 Shuchao Li and Li Zhang Permanental bounds for the signless Laplacian matrix of bipartite graphs and unicyclic graphs . . . . . . . . . . . . 145--158 Guanghui Xu and Changqing Xu and Fuzhen Zhang Contractive matrices of Hua type . . . . 159--172 Shang-Wang Tan and Jing-Jing Jiang On the Laplacian spectral radius of weighted trees with fixed diameter and weight set . . . . . . . . . . . . . . . 173--192 Jiankui Li and Jiren Zhou Characterizations of Jordan derivations and Jordan homomorphisms . . . . . . . . 193--204 I. S. Rakhimov and S. K. Said Husain On isomorphism classes and invariants of a subclass of low-dimensional complex filiform Leibniz algebras . . . . . . . 205--220 Stephan Foldes and Jen\Ho Szigeti and Leon van Wyk Invertibility and Dedekind finiteness in structural matrix rings . . . . . . . . 221--227
Yuan Li The Moore--Penrose inverses of lower triangular operators . . . . . . . . . . 229--235 Hailing Li and Ying Wang Generalized Lie triple derivations . . . 237--247 James Lam and Zhao Li and Yimin Wei and Jun-e Feng and Kwok Wai Chung Estimates of the spectral condition number . . . . . . . . . . . . . . . . . 249--260 Zhengxin Chen and Dengyin Wang Nonlinear maps satisfying derivability on standard parabolic subalgebras of finite-dimensional simple Lie algebras 261--270 Martin Kohls A user friendly proof of Nagata's characterization of linearly reductive groups in positive characteristics . . . 271--278 Julio Benítez and Xiaoji Liu and Tongping Zhu Additive results for the group inverse in an algebra with applications to block operators . . . . . . . . . . . . . . . 279--289 Gholamreza Aghamollaei and Abbas Salemi Polynomial numerical hulls of matrix polynomials, II . . . . . . . . . . . . 291--302 Mingqing Zhai and Ruifang Liu and Jinlong Shu An edge-grafting theorem on Laplacian spectra of graphs and its application 303--315 C. M. da Fonseca Some open questions on the Fibonacci polytope . . . . . . . . . . . . . . . . 317--320 Chang-Pao Chen and Kuo-Zhong Wang Operator norms and lower bounds of generalized Hausdorff matrices . . . . . 321--337 I. S. Rakhimov and S. K. Said Husain Classification of a subclass of low-dimensional complex filiform Leibniz algebras . . . . . . . . . . . . . . . . 339--354 Anonymous Thanks to Referees . . . . . . . . . . . 355--356
Aljosa Peperko On the functional inequality for the spectral radius of compact operators . . 357--364 A. Dilek Güngör and S. Burcu Bozkurt On the distance spectral radius and the distance energy of graphs . . . . . . . 365--370 Hongping Ma and Zhengke Miao Imprimitive non-powerful sign pattern matrices with maximum base . . . . . . . 371--390 Xiaofei Qi and Jinchuan Hou Additivity of Lie multiplicative maps on triangular algebras . . . . . . . . . . 391--397 Christopher R. H. Hanusa and Thomas Zaslavsky Determinants in the Kronecker product of matrices: the incidence matrix of a complete graph . . . . . . . . . . . . . 399--411 I. I. Kyrchei Determinantal representations of the Moore--Penrose inverse over the quaternion skew field and corresponding Cramer's rules . . . . . . . . . . . . . 413--431 Rong Huang and Jianzhou Liu and Li Zhu A structural characterization of real $k$-potent matrices . . . . . . . . . . 433--439 Sandro Mattarei Engel conditions and symmetric tensors 441--449 F. O. Farid and Qing-Wen Wang and Fuzhen Zhang On the eigenvalues of quaternion matrices . . . . . . . . . . . . . . . . 451--473 Kenneth S. Berenhaut and Richard T. Guy and Nathaniel G. Vish An optimal bound for inverses of triangular matrices with monotone entries . . . . . . . . . . . . . . . . 475--481
Matthew Booth and Philip Hackney and Benjamin Harris and Charles R. Johnson and Margaret Lay and Terry D. Lenker and Lon H. Mitchell and Sivaram K. Narayan and Amanda Pascoe and Brian D. Sutton On the minimum semidefinite rank of a simple graph . . . . . . . . . . . . . . 483--506 A. Fo\vsner and B. Kuzma and T. Kuzma and N.-S. Sze Maps preserving matrix pairs with zero Jordan product . . . . . . . . . . . . . 507--529 J. F. Wang and S. K. Simi\'c and Q. X. Huang and F. Belardo and E. M. Li Marzi Laplacian spectral characterization of disjoint union of paths and cycles . . . 531--539 Mario Faliva and Maria Grazia Zoia An inversion formula for a matrix polynomial about a (unit) root . . . . . 541--556 Pauliina Ilmonen and Pentti Haukkanen Smith meets Smith: Smith normal form of Smith matrix . . . . . . . . . . . . . . 557--564 Jacques Bénasséni Lower bounds for the largest eigenvalue of a symmetric matrix under perturbations of rank one . . . . . . . 565--569 Zhaofang Bai and Jinchuan Hou and Shuanping Du Distance preserving maps of nest algebras . . . . . . . . . . . . . . . . 571--594 Tatjana von Rosen On the inverse of certain patterned sums of matrices with Kronecker product structures . . . . . . . . . . . . . . . 595--606
Oskar Maria Baksalary and Götz Trenkler Rank formulae from the perspective of orthogonal projectors . . . . . . . . . 607--625 Yongge Tian Extremal ranks of a quadratic matrix expression with applications . . . . . . 627--644 Luzhen Ye On the Kirchhoff index of some toroidal lattices . . . . . . . . . . . . . . . . 645--650 Laura Iglésias and Catarina Santa-Clara and Fernando C. Silva Unified min-max and interlacing theorems for linear operators . . . . . . . . . . 651--669 Mateja Grasic Zero product determined Jordan algebras, I . . . . . . . . . . . . . . . . . . . 671--685 Mao-Ting Chien Lucas' theorem and numerical range . . . 687--691 Longqin Wang and Lihua You and Hongping Ma Primitive non-powerful sign pattern matrices with base $2$ . . . . . . . . . 693--700 F. Ayoobi and G. R. Omidi and B. Tayfeh-Rezaie A note on graphs whose signless Laplacian has three distinct eigenvalues 701--706 Serdar Karademir and Oleg A. Prokopyev A short note on solvability of systems of interval linear equations . . . . . . 707--710
S. S. Dragomir Refinements of the Cauchy--Bunyakovsky--Schwarz inequality for functions of selfadjoint operators in Hilbert spaces . . . . . . . . . . . 711--717 Roland Hildebrand An LMI description for the cone of Lorentz-positive maps II . . . . . . . . 719--731 Jianfeng Wang and Qiongxiang Huang Maximizing the signless Laplacian spectral radius of graphs with given diameter or cut vertices . . . . . . . . 733--744 Xiaoling Zhang and Chris Godsil Connectivity and minimal distance spectral radius of graphs . . . . . . . 745--754 Stephen G. Walker Bounds for the second largest eigenvalue of a transition matrix . . . . . . . . . 755--760 Clément de Seguins Pazzis On small matrix subalgebras with a trivial centralizer . . . . . . . . . . 761--771 Jiehong Xu and Mao Li Divisibility among power GCD matrices and among power LCM matrices on three coprime divisor chains . . . . . . . . . 773--788 Leonid Bedratyuk and Guoce Xin MacMahon partition analysis and the Poincaré series of the algebras of invariants of ternary and quaternary forms . . . . . . . . . . . . . . . . . 789--799 Mary Allison and Bryan L. Shader Fastest mixing Markov chain problem for the union of two cliques . . . . . . . . 801--823 Zi-zong Yan A Cauchy--Khinchin--van Dam matrix inequality . . . . . . . . . . . . . . . 825--829
Peyman Niroomand On the tensor square of non-abelian nilpotent finite-dimensional Lie algebras . . . . . . . . . . . . . . . . 831--836 Dengyin Wang and Xiaoxiang Yu Lie triple derivations on the parabolic subalgebras of simple Lie algebras . . . 837--840 Yanbo Li and Dominik Benkovic Jordan generalized derivations on triangular algebras . . . . . . . . . . 841--849 A. A. Lopatin Orthogonal invariants of skew-symmetric matrices . . . . . . . . . . . . . . . . 851--862 Changjiang Bu and Kuize Zhang and Jiemei Zhao Representations of the Drazin inverse on solution of a class singular differential equations . . . . . . . . . 863--877 Pawel Witowicz Divisibility of multilinear mappings with applications to affine differential geometry . . . . . . . . . . . . . . . . 879--890 Saran Ishika Maiti Construction, properties and statistical applications of positive definite intraclass matrix . . . . . . . . . . . 891--904 Cheng-Kai Liu and Pao-Kuei Liau Strong commutativity preserving generalized derivations on Lie ideals 905--915 Yusuke Higuchi and Tomonori Matsumoto and Osamu Ogurisu On the spectrum of a discrete Laplacian on Z with finitely supported potential 917--927 Domingos M. Cardoso and Ivan Gutman and Enide Andrade Martins and María Robbiano A generalization of Fiedler's lemma and some applications . . . . . . . . . . . 929--942 Carla D. Martin The rank of a $ 2 \times 2 \times $ 2 tensor . . . . . . . . . . . . . . . . . 943--950
Lei Liu and Guo-Xing Ji Maps preserving product $ X^* Y + Y X^* $ on factor von Neumann algebras . . . . 951--955 Xiaoyan Jiang and Yingluan Liu and Bolian Liu A further result on majorization theorem 957--967 Qianrong Tan and Zongbing Lin and Liu Liu Divisibility among power GCD matrices and among power LCM matrices on two coprime divisor chains II . . . . . . . 969--983 Shifang Yuan and Anping Liao Least squares solution of the quaternion matrix equation with the least norm . . 985--998 Steve Kirkland Sign patterns for eigenmatrices of nonnegative matrices . . . . . . . . . . 999--1018 Israr Ali Khan and Qing-Wen Wang The Drazin inverse in an arbitrary semiring . . . . . . . . . . . . . . . . 1019--1029 Fuad Kittaneh and Yousef Manasrah Reverse Young and Heinz inequalities for matrices . . . . . . . . . . . . . . . . 1031--1037 L. M. Camacho and E. M. Cañete and J. R. Gómez and B. A. Omirov $3$-Filiform Leibniz algebras of maximum length, whose naturally graded algebras are Lie algebras . . . . . . . . . . . . 1039--1058 Minghua Lin and Qing-Wen Wang Remarks on Hua's matrix equality involving generalized inverses . . . . . 1059--1067 Ameur Seddik Characterization of the class of unitary operators by operator inequalities . . . 1069--1074
Steve Kirkland and Chi-Kwong Li Preface . . . . . . . . . . . . . . . . 1075--1075 Chi-Kwong Li and Yiu-Tung Poon and Masaru Tominaga Spectra, norms and numerical ranges of generalized quadratic operators . . . . 1077--1104 Xuhua Liu and Dawit G. Tadesse and Tin-Yau Tam A range associated with skew symmetric matrix . . . . . . . . . . . . . . . . . 1105--1120 Alexander Markus and Tin-Yau Tam Connectedness of some fibres on a compact connected Lie group . . . . . . 1121--1126 Hasan Alnajjar Leonard pairs associated with the equitable generators of the quantum algebra $ U_q({\rm sl}_2) $ . . . . . . 1127--1142 Shigeru Furuichi Inequalities for Tsallis relative entropy and generalized skew information 1143--1158 Chi-Kwong Li and Yiu-Tung Poon Interpolation by completely positive maps . . . . . . . . . . . . . . . . . . 1159--1170 Nathaniel Johnston Characterizing operations preserving separability measures via linear preserver problems . . . . . . . . . . . 1171--1187
Leonid Bedratyuk Analogue of the Cayley--Sylvester formula and the Poincaré series for the algebra of invariants of $n$-ary form 1189--1199 B. Dacorogna and O. Kneuss Divisibility in Grassmann algebra . . . 1201--1220 Xiaoji Liu and Lingling Wu and Julio Benítez On linear combinations of generalized involutive matrices . . . . . . . . . . 1221--1236 Yongge Tian A disjoint idempotent decomposition for linear combinations produced from two commutative tripotent matrices and its applications . . . . . . . . . . . . . . 1237--1246 Rosali Brusamarello and David W. Lewis Automorphisms and involutions on incidence algebras . . . . . . . . . . . 1247--1267 A. Mohammadian and B. Tayfeh-Rezaie Some constructions of integral graphs 1269--1279 Mehdi Dehghan and Masoud Hajarian On the generalized bisymmetric and skew-symmetric solutions of the system of generalized Sylvester matrix equations . . . . . . . . . . . . . . . 1281--1309 Xiaobin Ma and Genhong Ding and Long Wang Square-zero determined matrix algebras 1311--1317
Yi-min Wei and Chun-yuan Deng A note on additive results for the Drazin inverse . . . . . . . . . . . . . 1319--1329 Rafal Ablamowicz and Bertfried Fauser On the transposition anti-involution in real Clifford algebras I: the transposition map . . . . . . . . . . . 1331--1358 Rafal Ablamowicz and Bertfried Fauser On the transposition anti-involution in real Clifford algebras II: stabilizer groups of primitive idempotents . . . . 1359--1381 Ibrahim Halil Gumus and Omar Hirzallah and Necati Taskara Singular value inequalities for the arithmetic, geometric and Heinz means of matrices . . . . . . . . . . . . . . . . 1383--1392 R. B. Bapat and Sivaramakrishnan Sivasubramanian Inverse of the distance matrix of a block graph . . . . . . . . . . . . . . 1393--1397 Shuchao Li and Yi Tian On the spectral radius of weighted unicyclic graphs with a positive weight set . . . . . . . . . . . . . . . . . . 1399--1407 Xiaoji Liu and Shuxia Wu and Julio Benítez On nonsingularity of combinations of two group invertible matrices and two tripotent matrices . . . . . . . . . . . 1409--1417 A. Amiraslani Notes on linear factor polynomial deflation in polynomial bases . . . . . 1419--1431 Lucio Centrone The graded Gelfand--Kirillov dimension of verbally prime algebras . . . . . . . 1433--1450 Anonymous Editorial Board . . . . . . . . . . . . ebi--ebi
Fernando C. Silva and Rita Simões Row and column rank partitions under small perturbations . . . . . . . . . . 1--9 J. J. McDonald and A. A. Yielding Complex spectrally arbitrary zero-nonzero patterns . . . . . . . . . 11--26 Limin Zou On a conjecture concerning the Frobenius norm of matrices . . . . . . . . . . . . 27--31 Ali Taghavi Additive mappings on $ C^* $-algebras preserving absolute values . . . . . . . 33--38 Iddo Ben-Ari and Michael Neumann Probabilistic approach to Perron root, the group inverse, and applications . . 39--63 S. V. Djordjevi\'c and B. P. Duggal Drazin invertibility of the diagonal of an operator . . . . . . . . . . . . . . 65--71 Irene Sciriha and C. M. da Fonseca On the rank spread of graphs . . . . . . 73--92 Lajos Molnár and Gerg\Ho Nagy Isometries and relative entropy preserving maps on density operators . . 93--108 Chunyuan Deng and Yimin Wei Further results on the Moore--Penrose invertibility of projectors and its applications . . . . . . . . . . . . . . 109--129
Yizhi Chen and Xianzhong Zhao and Lin Yang On $ n \times n $ matrices over a finite distributive lattice . . . . . . . . . . 131--147 Zhengxin Chen and Dengyin Wang Nonlinear maps satisfying derivability on the parabolic subalgebras of the general linear Lie algebras . . . . . . 149--157 Li Fang and Hongke Du Stability theorems for some combinations of two idempotents . . . . . . . . . . . 159--165 Wu Jing and Fangyan Lu Lie derivable mappings on prime rings 167--180 Rosali Brusamarello and Érica Z. Fornaroli and Ednei A. Santulo Jr Anti-automorphisms and involutions on (finitary) incidence algebras . . . . . 181--188 A. Melman Ovals of Cassini for Toeplitz matrices 189--199 J. Abderramán Marrero and M. Rachidi Application of the companion factorization to linear non-autonomous area-preserving maps . . . . . . . . . . 201--217 Alexander Kovacec and Salma Kuhlmann and Cordian Riener A note on extrema of linear combinations of elementary symmetric functions . . . 219--224 E. Bendito and A. Carmona and A. M. Encinas and M. Mitjana Distance-regular graphs having the $M$-property . . . . . . . . . . . . . . 225--240 Kyung-Tae Kang and Seok-Zun Song Term rank preservers of Boolean matrices 241--247 Dalia Bolotnikov On Cowen--Pommerenke inequalities . . . 249--254
Ádám Besenyei and Dénes Petz Characterization of mean transformations 255--265 Adam H. Berliner Convertible and $m$-convertible matrices 267--283 E. J. Bodine and J. J. McDonald Spectrally arbitrary patterns over finite fields . . . . . . . . . . . . . 285--299 Pentti Haukkanen A topological approach to divisibility of arithmetical functions and GCD matrices . . . . . . . . . . . . . . . . 301--309 Zhaofang Bai and Shuanping Du Multiplicative $ \ast $-Lie isomorphisms between von Neumann algebras . . . . . . 311--322 Juan Rada Bounds for the energy of normal digraphs 323--332 Xiaoji Liu and Yaoming Yu and Jin Zhong and Yimin Wei Integral and limit representations of the outer inverse in Banach space . . . 333--347 Yang Zhang and Jun Cao and Bao-Dong Zheng Idempotence preserving maps between matrix spaces . . . . . . . . . . . . . 349--375 Amal Al-Saket On determining bounds for the real parts of the zeros of polynomials . . . . . . 377--382
Randall R. Holmes and David P. Turner The coefficient coalgebra of a symmetrized tensor space . . . . . . . . 385--396 Daniel Pellegrino and Joilson Ribeiro On almost summing polynomials and multilinear mappings . . . . . . . . . . 397--413 R. B. Bapat and A. K. Lal and S. Pati On algebraic connectivity of graphs with at most two points of articulation in each block . . . . . . . . . . . . . . . 415--432 Ruipu Bai and Wanqing Wu and Ying Li and Zhenheng Li Module extensions of $3$-Lie algebras 433--447 Julio Benítez and Xiaoji Liu and Vladimir Rakocevi\'c Invertibility in rings of the commutator $ \{ a b - b a \} $, where $ a b a = a $ and $ b a b = b $ . . . . . . . . . . . 449--463 Michael Gil' Matrix functions nonregular on the convex hull of the spectrum . . . . . . 465--473 Zongbing Lin and Qianrong Tan Determinants of Smith matrices on three coprime divisor chains and divisibility 475--486 L. A. Kurdachenko and J. M. Muñoz-Escolano and J. Otal Groups acting on vector spaces with a large family of invariant subspaces . . 487--498 Hui-Feng Hao and Yong-Jian Hu and Gong-Ning Chen Note on roots location of a symmetric polynomial with respect to the imaginary axis . . . . . . . . . . . . . . . . . . 499--510
Mark L. Roberts and Michael P. Drazin Faithfully $ \star $-representing semigroups and groupoids with involution by infinite matrices . . . . . . . . . . 511--524 Charles R. Johnson and António Leal-Duarte and Carlos M. Saiago The change in eigenvalue multiplicity associated with perturbation of a diagonal entry . . . . . . . . . . . . . 525--532 Xiufu Zhang and Shaobin Tan $ \theta $-Unitary representations for the $W$-algebra $ W(2, 2)$ . . . . . . . 533--543 C. Boboc and S. Dascalescu and L. van Wyk Isomorphisms between Morita context rings . . . . . . . . . . . . . . . . . 545--563 Geraldo Botelho and Daniel Pellegrino and Pilar Rueda Preduals of spaces of homogeneous polynomials on $ L_p $-spaces . . . . . 565--571 G. A. Muñoz-Fernández and D. Pellegrino and J. B. Seoane-Sepúlveda Estimates for the asymptotic behaviour of the constants in the Bohnenblust--Hille inequality . . . . . 573--582 Wenli Liu and Zhixue Zhang $ T^* $-extension of a $3$-Lie algebra 583--594 Adel N. Alahmadi and Yousef Alkhamees and S. K. Jain On semigroups and semirings of nonnegative matrices . . . . . . . . . . 595--598 Polona Oblak On the nilpotent commutator of a nilpotent matrix . . . . . . . . . . . . 599--612 Deyu Wu and Alatancang Chen Spectral properties and numerical range of off-diagonal infinite-dimensional Hamiltonian operators . . . . . . . . . 613--619
Rafal Ablamowicz and Bertfried Fauser On the transposition anti-involution in real Clifford algebras III: the automorphism group of the transposition scalar product on spinor spaces . . . . 621--644 Zhengxin Chen and Zhankui Xiao Nonlinear Lie triple derivations on parabolic subalgebras of finite-dimensional simple Lie algebras 645--656 Pierre Comon and Giorgio Ottaviani On the typical rank of real binary forms 657--667 Jiang Zhou and Changjiang Bu and Yimin Wei Group inverse for block matrices and some related sign analysis . . . . . . . 669--681 Ahmed Salem On a $q$-gamma and a $q$-beta matrix functions . . . . . . . . . . . . . . . 683--696 Youngwoo Choi and Jaewon Jung Totally interpolating biorthogonal multiwavelet systems with approximation order . . . . . . . . . . . . . . . . . 697--724 Hoger Ghahramani Additive mappings derivable at non-trivial idempotents on Banach algebras . . . . . . . . . . . . . . . . 725--742 D. Kalita and S. Pati On the spectrum of $3$-coloured digraphs 743--756 Anonymous List of Reviewers . . . . . . . . . . . 757--759
Mikhail Chebotar and Wen-Fong Ke Preface . . . . . . . . . . . . . . . . 761--761 Matej Bresar Multiplication algebra and maps determined by zero products . . . . . . 763--768 George Szeto and Lianyong Xue A matrix representation of an Azumaya group ring . . . . . . . . . . . . . . . 769--774 Antonio J. Calderón Martín On the structure of split non-commutative Poisson algebras . . . . 775--785 Leonid Makar-Limanov A conjecture of Bavula on homomorphisms of the Weyl algebras . . . . . . . . . . 787--796 Dinesh Khurana and T. Y. Lam Generalized commutators in matrix rings 797--827 Robert Wisbauer Coalgebraic structures in module theory 829--853 Adel Alahmedi and Yousef Alkhamees and S. K. Jain Monotonicity of nonnegative matrices . . 855--864 Zur Izhakian and Manfred Knebusch and Louis Rowen Dual spaces and bilinear forms in supertropical linear algebra . . . . . . 865--883
Stanislav Shkarin Hypercyclic tuples of operators on $C^n$ and $R^n$ . . . . . . . . . . . . . . . 885--896 David Bartl A note on the short algebraic proof of Farkas' Lemma . . . . . . . . . . . . . 897--901 Guifen Zhuang and Jianlong Chen and Dragana S. Cvetkovi\'c-Ili\'c and Yimin Wei Additive property of Drazin invertibility of elements in a ring . . 903--910 Debasisha Mishra and K. C. Sivakumar A dominance notion for singular matrices with applications to nonnegative generalized inverses . . . . . . . . . . 911--920 Murray R. Bremner On the hyperdeterminant for $ 2 \times 2 \times $3 arrays . . . . . . . . . . . . 921--932 Yiqiu Du and Yu Wang Additivity of Jordan maps on triangular algebras . . . . . . . . . . . . . . . . 933--940 J. Alaminos and J. Extremera and A. R. Villena Metric versions of Herstein's theorems on Jordan maps . . . . . . . . . . . . . 941--954 Shuchao Li and Yi Tian On the spectral radius of weighted trees with given number of pendant vertices and a positive weight set . . . . . . . 955--965 Gang Wu and Yimin Wei Relationship between the characteristic polynomial and the spectrum of a diagonalizable matrix and those of its low-rank update . . . . . . . . . . . . 967--978 Zhankui Xiao and Feng Wei Nonlinear Lie higher derivations on triangular algebras . . . . . . . . . . 979--994 J. Abderramán Marrero and M. Rachidi and V. Tomeo On the nested sums and orthogonal polynomials . . . . . . . . . . . . . . 995--1007
N. Bebiano and J. da Providência Indefinite higher-rank numerical ranges 1009--1026 Yongge Tian and Ying Li Distributions of eigenvalues and inertias of some block Hermitian matrices consisting of orthogonal projectors . . . . . . . . . . . . . . . 1027--1069 Shang-Wang Tan On the Laplacian coefficients and Laplacian-like energy of bicyclic graphs 1071--1092 Yanling Shao and Jian Shen and Yubin Gao The $k$th upper and lower bases of primitive nonpowerful minimally strong signed digraphs . . . . . . . . . . . . 1093--1113 Huiqiu Lin and Jinlong Shu Sharp bounds on distance spectral radius of graphs . . . . . . . . . . . . . . . 1115--1115
Abraham Berman and Christopher King and Robert Shorten A characterisation of common diagonal stability over cones . . . . . . . . . . 1117--1123 Murray R. Bremner and Luiz A. Peresi and Juana Sánchez-Ortega Malcev dialgebras . . . . . . . . . . . 1125--1141 Andrea Blunck and Péter Lévay and Metod Saniga and Péter Vrana Invertible symmetric $ 3 \times 3 $ binary matrices and $ {\rm GQ}(2, 4) $ 1143--1154 Peisheng Ji and Rongrong Liu and Yingzi Zhao Nonlinear Lie triple derivations of triangular algebras . . . . . . . . . . 1155--1164 Clément de Seguins Pazzis Spaces of matrices with a sole eigenvalue . . . . . . . . . . . . . . . 1165--1190 Peter Butkovic and Hans Schneider and Sergei Sergeev Z-matrix equations in max-algebra, nonnegative linear algebra and other semirings . . . . . . . . . . . . . . . 1191--1210 Mika Mattila and Pentti Haukkanen Some properties of row-adjusted meet and join matrices . . . . . . . . . . . . . 1211--1221
Ravindra Bapat and Raphael Loewy and Fuzhe Zhang Preface . . . . . . . . . . . . . . . . 1223--1223 Hwa-Long Gau and Pei Yuan Wu Noncircular elliptic discs as numerical ranges of nilpotent operators . . . . . 1225--1233 Shmuel Friedland A note on the nonzero spectra of irreducible matrices . . . . . . . . . . 1235--1238 Roger A. Horn and Fuzhen Zhang A generalization of the complex Autonne--Takagi factorization to quaternion matrices . . . . . . . . . . 1239--1244 Chi-Kwong Li and Yiu-Tung Poon and Nung-Sing Sze Generalized interlacing inequalities . . 1245--1254 Richard A. Brualdi and Jia-Yu Shao and Shi-Cai Gong and Chang-Qing Xu and Guang-Hui Xu On the extremal energy of integral weighted graphs . . . . . . . . . . . . 1255--1264 Chikara Hidaka and Takashi Sano Conditional negativity of anti-Loewner matrices . . . . . . . . . . . . . . . . 1265--1270 Gong-Ning Chen and Yong-Jian Hu Extremal solutions of matricial Carathéodory problem and Nevanlinna--Pick-type interpolation for Carathéodory matrix functions in the nondegenerate case . . . . . . . . . . . 1271--1294 Jeffrey Eldred and Leiba Rodman and Ilya Spitkovsky Numerical ranges of companion matrices: flat portions on the boundary . . . . . 1295--1311 Mohammad Sal Moslehian Ky Fan inequalities . . . . . . . . . . 1313--1325 Qing-Wen Wang and Zhuo-Heng He Some matrix equations with applications 1327--1353 Guang-Jun Zhang and Jie Zhang and Xiao-Dong Zhang Faber--Krahn type inequality for unicyclic graphs . . . . . . . . . . . . 1355--1364 Minghua Lin and Henry Wolkowicz An eigenvalue majorization inequality for positive semidefinite block matrices 1365--1368 Koenraad M. R. Audenaert and Jaspal Singh Aujla On norm sub-additivity and super-additivity inequalities for concave and convex functions . . . . . . 1369--1389 Shaun M. Fallat and YongJun Xing On the spread of certain normal matrices 1391--1407 Tin-Yau Tam and Mary Clair Thompson Determinants of sums of two real matrices and their extensions . . . . . 1409--1431 Anonymous Editorial Board . . . . . . . . . . . . ebi--ebi
Ik-Pyo Kim Nearly tight sign-central matrices . . . 1--14 N. Midoune and L. Noui Trilinear alternating forms on a vector space of dimension $8$ over a finite field . . . . . . . . . . . . . . . . . 15--21 Corey O'Meara and Rajesh Pereira Self-dual maps and symmetric bistochastic matrices . . . . . . . . . 23--34 Litismita Jena and Debasisha Mishra Comparisons of $ B_{row} $-splittings and $ B_{ran} $-splittings of matrices 35--48 Milica Andeli\'c and Aleksandra Eri\'c and C. M. da Fonseca Nonsingular acyclic matrices with full number of $P$-vertices . . . . . . . . . 49--57 Peipei Tang and Aimin Xu Divided differences and a unified approach to evaluating determinants involving generalized factorials . . . . 59--71 Qing-Wen Wang and Xiang Zhang and Zhuo-Heng He On the Hermitian structures of the solution to a pair of matrix equations 73--90 Thomas K. Huckle and Konrad Waldherr and Thomas Schulte-Herbrüggen Exploiting matrix symmetries and physical symmetries in matrix product states and tensor trains . . . . . . . . 91--122 K. K. Kayibi and Muhammad Ali Khan and S. Pirzada Uniform sampling of $k$-hypertournaments 123--138
Witold Majdak and Nicolae-Adrian Secelean and Laurian Suciu Ergodic properties of operators in some semi-Hilbertian spaces . . . . . . . . . 139--159 Gregor Dolinar and Lajos Molnár Automorphisms for the logarithmic product of positive semidefinite operators . . . . . . . . . . . . . . . 161--169 A. Melman Upper and lower bounds for the Perron root of a nonnegative matrix . . . . . . 171--181 A. Melman A single oval of Cassini for the zeros of a polynomial . . . . . . . . . . . . 183--195 Shilin Wang and Bo Zhou The signless Laplacian spectra of the corona and edge corona of two graphs . . 197--204 Marija Dodig Rank distance problem for pairs of matrices . . . . . . . . . . . . . . . . 205--215 Augusto Ferrante and Harald K. Wimmer Roth's similarity theorem and rank minimization in the presence of nonderogatory or semisimple eigenvalues 217--231 Karli Morris and Robert Perlis Trace forms of abelian extensions of number fields of type $ (1, 0) $ . . . . 233--253 Milan Nath Minimal configuration bicyclic graphs 255--264 Amir Hashemi and Benyamin M.-Alizadeh and Mahdi Dehghani Darmian Minimal polynomial systems for parametric matrices . . . . . . . . . . 265--272 S. Akbari and E. Ghorbani and A. Mahmoodi Nowhere-zero eigenvectors of graphs . . 273--279
C. M. da Fonseca Remarks and open problems on the minimum permanent of acyclic doubly stochastic matrices . . . . . . . . . . . . . . . . 281--293 Enrico Boasso The Drazin spectrum of tensor product of Banach algebra elements and elementary operators . . . . . . . . . . . . . . . 295--307 L. M. Camacho and J. R. Gómez and B. A. Omirov and R. M. Turdibaev The derivations of some evolution algebras . . . . . . . . . . . . . . . . 309--322 María Burgos and Juana Sánchez-Ortega On mappings preserving zero products . . 323--335 Jie Lei and You'an Cao and Zhiyong Li Triple and generalized triple derivations of the parabolic subalgebras of the general linear Lie algebra over a commutative ring . . . . . . . . . . . . 337--353 Fenjin Liu and Qiongxiang Huang On the spectral characterization of $ \Pi $-shape trees . . . . . . . . . . . 355--367 S. Dascalescu and S. Predut and L. van Wyk Jordan isomorphisms of generalized structural matrix rings . . . . . . . . 369--376 P. S. Kolesnikov and V. Yu. Voronin On special identities for dialgebras . . 377--391 Richard A. Brualdi and Geir Dahl An extension of the polytope of doubly stochastic matrices . . . . . . . . . . 393--408 Yuehan Tang Random spectral theorems of self-adjoint random linear operators on complete complex random inner product modules . . 409--416 Peisheng Ji and Weiqing Qi and Xiaolu Sun Characterizations of Lie derivations of factor von Neumann algebras . . . . . . 417--428
Shuichi Otake Counting the number of distinct real roots of certain polynomials by Bezoutian and the Galois groups over the rational number field . . . . . . . . . 429--441 Huiqiu Lin and Jinlong Shu Sharp bounds on distance spectral radius of graphs . . . . . . . . . . . . . . . 442--447 Zhiping Xiong and Yingying Qin and Bing Zheng The least squares $g$-inverses for sum of matrices . . . . . . . . . . . . . . 448--462 Julio Benítez and Murat Sarduvan and Sedat Ülker and Halim Özdemir On nonsingularity of combinations of three group invertible matrices and three tripotent matrices . . . . . . . . 463--481 Marina Tosi\'c and Dragana S. Cvetkovi\'c-Ili\'c The invertibility of the difference and the sum of commuting generalized and hypergeneralized projectors . . . . . . 482--493 Teresa Alvarez and Fatma Fakhfakh and Maher Mnif Coperturbation function and lower semi-Browder multivalued linear operators . . . . . . . . . . . . . . . 494--516 Pingping Zhang and Hu Yang and Hanyu Li New perturbation bounds for the subunitary polar factors . . . . . . . . 517--526 Wenli Liu and Zhixue Zhang $ T^* $-extension of $n$-Lie algebras 527--542 Ling Zhang and Ting-Zhu Huang and Zhongshan Li and Jing-Yue Zhang Several spectrally arbitrary ray patterns . . . . . . . . . . . . . . . . 543--564
Shuilin Jin and Li Xu Independences of operator algebras and joint spectrum of operators . . . . . . 565--572 Lihua Feng and Guihai Yu and Aleksandar Ili\'c and Dragan Stevanovi\'c The signless Laplacian spectral radius of graphs on surfaces . . . . . . . . . 573--581 E. Almaraz Luengo and J. M. Ancochea Bermúdez and L. García Vergnolle Completeness of quasi-filiform Lie algebras . . . . . . . . . . . . . . . . 582--595 Wai-Shun Cheung and Chi-Kwong Li Elementary proofs for some results on the circular symmetry of the numerical range . . . . . . . . . . . . . . . . . 596--602 Bibhas Adhikari Vector space of linearizations for the quadratic two-parameter matrix polynomial . . . . . . . . . . . . . . . 603--616 S. S. Dragomir Generalizations of Furuta's inequality 617--626 Mohamed Boumazgour Drazin invertibility of upper triangular operator matrices . . . . . . . . . . . 627--634 M. A. Chebotar and W.-F. Ke and P.-H. Lee and E. R. Puczylowski A linear algebra approach to Koethe's problem and related questions . . . . . 635--645 Michel Lavrauw and Andrea Pavan and Corrado Zanella On the rank of $ 3 \times 3 \times $3-tensors . . . . . . . . . . . . . . . 646--652 Changjing Li and Xiaochun Fang Lie triple and Jordan derivable mappings on nest algebras . . . . . . . . . . . . 653--666 Roksana Slowik Real elements in T$_n$ ( $K$ ) . . . . . 667--677 Xuhua Liu and Tin-Yau Tam Gradient flows for the minimum distance to the sum of adjoint orbits . . . . . . 678--696 Jiri Rohn Letter to the editor . . . . . . . . . . 697--698
Gerald Bourgeois Similar powers of a matrix . . . . . . . 699--709 Yi-Jia Tan On invertible matrices over commutative semirings . . . . . . . . . . . . . . . 710--724 Zhuo-Heng He and Qing-Wen Wang A real quaternion matrix equation with applications . . . . . . . . . . . . . . 725--740 Hoger Ghahramani Zero product determined triangular algebras . . . . . . . . . . . . . . . . 741--757 J. M. Casas and M. Ladra and B. A. Omirov and I. A. Karimjanov Classification of solvable Leibniz algebras with null-filiform nilradical 758--774 Dengyin Wang and Min Zhu and Wenping Lv The group of commutativity preserving maps on upper triangular matrices over a commutative ring . . . . . . . . . . . . 775--783 M. C. Gouveia On the Toeplitz pencil conjecture . . . 784--790 Guanglong Yu and Yuan Hong and Jinlong Shu Bounds of spectral radii on edge-most outer-planar bipartite graphs . . . . . 791--800 Guanglong Yu and Zhengke Miao and Chao Yan and Jinlong Shu Gaps in the base set of primitive nonpowerful sign patterns . . . . . . . 801--810 Wenlei Yang and Jun Zhu Characterizations of additive (generalized) $ \xi $-Lie $ (\alpha, \beta)$ derivations on triangular algebras . . . . . . . . . . . . . . . . 811--830 Jiankui Li and Zhidong Pan and Qihua Shen Jordan and Jordan higher all-derivable points of some algebras . . . . . . . . 831--845
Milan Nath and Somnath Paul On the distance spectral radius of trees 847--855 Yoo Young Koo and Jae Kun Lim Sum and direct sum of frame sequences 856--870 M. Bendaoud and M. Douimi and M. Sarih Maps on matrices preserving local spectra . . . . . . . . . . . . . . . . 871--880 E. Ballico and A. Bernardi Tensor ranks on tangent developable of Segr\`e varieties . . . . . . . . . . . 881--894 Zhongshan Li and Yubin Gao and Marina Arav and Fei Gong and Wei Gao and Frank J. Hall and Hein van der Holst Sign patterns with minimum rank $2$ and upper bounds on minimum ranks . . . . . 895--908 Roksana Slowik Involutions in triangular groups . . . . 909--916 Vincenzo De Filippis and Giovanni Scudo Strong commutativity and Engel condition preserving maps in prime and semiprime rings . . . . . . . . . . . . . . . . . 917--938 Matej Bresar and Vesselin Drensky Central polynomials for matrices over finite fields . . . . . . . . . . . . . 939--944 S. K. Neogy and A. K. Das On weak generalized positive subdefinite matrices and the linear complementarity problem . . . . . . . . . . . . . . . . 945--953 Frank Uhlig Computing matrix symmetrizers, finally possible via the Huang and Nong algorithm . . . . . . . . . . . . . . . 954--969 Marcin Marciniak Rank properties of exposed positive maps 970--975 Xuezhong Tan and Bolian Liu Complete characterization of bicyclic minimal configurations . . . . . . . . . 976--985 Murray R. Bremner and Stavros G. Stavrou Canonical forms of $ 2 \times 2 \times 2 $ and $ 2 \times 2 \times 2 \times 2 $ arrays over $ \mathbb {F}_2 $ and $ \mathbb {F}_3 $ . . . . . . . . . . . . 986--997 Martin Bohata and Jan Hamhalter Nonlinear maps on von Neumann algebras preserving the star order . . . . . . . 998--1009 Mostafa Mbekhta and Mourad Oudghiri On additive maps preserving certain semi-Fredholm subsets . . . . . . . . . 1010--1016
Leila Lebtahi and Pedro Patrício and Néstor Thome Special elements in a ring related to Drazin inverses . . . . . . . . . . . . 1017--1027 Roksana Slowik Bijective maps of infinite triangular and unitriangular matrices preserving commutators . . . . . . . . . . . . . . 1028--1040 Jiang Zhou and Changjiang Bu Spectral characterization of line graphs of starlike trees . . . . . . . . . . . 1041--1050 Wai Leong Chooi and Ming Huat Lim and Zhen Chuan Ng Linear spaces and preservers of symmetric matrices of bounded rank-two 1051--1062 Glenn D. Appleby and Tamsen Whitehead Matrix pairs over valuation rings and $R$-valued Littlewood--Richardson fillings . . . . . . . . . . . . . . . . 1063--1115 Oskar Maria Baksalary and Götz Trenkler On column and null spaces of functions of a pair of oblique projectors . . . . 1116--1129 Xavier Mary and Pedro Patrício Generalized inverses modulo H in semigroups and rings . . . . . . . . . . 1130--1135 Randall R. Holmes and Avantha Kodithuwakku Orthogonal bases of Brauer symmetry classes of tensors for the dihedral group . . . . . . . . . . . . . . . . . 1136--1147 Fuad Kittaneh and Mario Krni\'c Refined Heinz operator inequalities . . 1148--1157 Qing-Wen Wang and Xiang Zhang and Zhuo-Heng He On the Hermitian structures of the solution to a pair of matrix equations 1158--1158 Milica Andelic and Aleksandra Eri\'c and C. M. da Fonseca Nonsingular acyclic matrices with full number of $P$-vertices . . . . . . . . . 1159--1160
Bojan Magajna Bicommutants and ranges of derivations 1161--1180 J. Abderramán Marrero and M. Rachidi A note on representations for the inverses of tridiagonal matrices . . . . 1181--1191 Xuefeng Duan and Qingwen Wang and Anping Liao On the matrix equation arising in an interpolation problem . . . . . . . . . 1192--1205 Alexander Guterman and Rute Lemos and Graça Soares Extremal case in Marcus--Oliveira conjecture and beyond . . . . . . . . . 1206--1222 Xin-Lei Feng and Ting-Zhu Huang and Zhongshan Li and Jun Luo and Yubin Gao Sign patterns that allow diagonalizability revisited . . . . . . 1223--1233 Bassam Mourad Generalization of some results concerning eigenvalues of a certain class of matrices and some applications 1234--1243 Sk. Safique Ahmad and Volker Mehrmann Backward errors for eigenvalues and eigenvectors of Hermitian, skew-Hermitian, $H$-even and $H$-odd matrix polynomials . . . . . . . . . . . 1244--1266 Chaoqian Li and Yaotang Li and Ruijuan Zhao New inequalities for the minimum eigenvalue of $M$-matrices . . . . . . . 1267--1279 Jesús Laliena and Roberto Rizzo Superalgebras with superinvolution whose symmetric or skewsymmetric elements are regular . . . . . . . . . . . . . . . . 1280--1286 Zhibin Du and Aleksandar Ili\'c and Lihua Feng Further results on the distance spectral radius of graphs . . . . . . . . . . . . 1287--1301
Na Kang and Bo Hou and Suogang Gao $q$-Inverting pairs of shape $ 1, 2, 1$ 1307--1328 Dan Corey and Charles R. Johnson and Ryan Kirk and Brian Lins and Ilya Spitkovsky Continuity properties of vectors realizing points in the classical field of values . . . . . . . . . . . . . . . 1329--1338 Fernanda Botelho and James Jamison and Bentuo Zheng Circular operators on minimal norm ideals of $ B(H) $ . . . . . . . . . . . 1339--1347 Xu Kong and Yao-Lin Jiang A note on the ranks of $ 2 \times 2 \times 2 $ and $ 2 \times 2 \times 2 \times 2 $ tensors . . . . . . . . . . . 1348--1362 André Pierro de Camargo A generalization of Mühlbach's extension principle for determinantal identities 1363--1376 Ajda Fo\vsner and Zejun Huang and Chi-Kwong Li and Nung-Sing Sze Linear preservers and quantum information science . . . . . . . . . . 1377--1390 Roman Drnovsek The von Neumann entropy and unitary equivalence of quantum states . . . . . 1391--1393 Dimitrios Pappas Restricted linear constrained minimization of quadratic functionals 1394--1407 Runling An and Jinchuan Hou Characterization of derivations on reflexive algebras . . . . . . . . . . . 1408--1418 Julio Benítez and Dragana Cvetkovi\'c-Ili\'c Equalities of ideals associated with two projections in rings with involution . . 1419--1435 Xinghua Shi and Yimin Wei and Shuyang Ling Backward error and perturbation bounds for high order Sylvester tensor equation 1436--1446
Christos Chorianopoulos and Panayiotis J. Psarrakos On the continuity of Birkhoff--James-orthogonality sets . . . 1447--1454 David W. Kribs and Rajesh Pereira and Sarah Plosker Trumping and Power Majorization . . . . 1455--1463 A. Amparan and S. Marcaida and I. Zaballa On the structure invariants of proper rational matrices with prescribed finite poles . . . . . . . . . . . . . . . . . 1464--1486 Zachary Mesyan Polynomials of small degree evaluated on matrices . . . . . . . . . . . . . . . . 1487--1495 Kristijan Cafuta On matrix algebras associated to sum-of-squares semidefinite programs . . 1496--1509 F. Gago and M. Ladra and B. A. Omirov and R. M. Turdibaev Some radicals, Frattini and Cartan subalgebras of Leibniz $n$-algebras . . 1510--1527 Willian Franca Commuting traces of multiadditive maps on invertible and singular matrices . . 1528--1535 Julio Benítez and Xiaoji Liu Expressions for generalized inverses of square matrices . . . . . . . . . . . . 1536--1554 Mark Pankov Characterizations of strong semilinear embeddings in terms of general linear and projective linear groups . . . . . . 1555--1567 Changjiang Bu and Lizhu Sun and Jiang Zhou and Yimin Wei Some results on the Drazin inverse of anti-triangular matrices . . . . . . . . 1568--1576 Salma Charfi and Alaeddine Damergi and Aref Jeribi On a Riesz basis of finite-dimensional invariant subspaces and application to Gribov operator in Bargmann space . . . 1577--1591
C. G. Cao and Y. L. Ge and H. M. Yao Maps preserving classical adjoint of products of two matrices . . . . . . . . 1593--1604 Fernando De Terán The solution of the equation $ A X + B X^* = 0 $ . . . . . . . . . . . . . . . 1605--1628 Lei-Hong Zhang and Wei Hong Yang Perturbation analysis for the trace quotient problem . . . . . . . . . . . . 1629--1640 Effat Golpar-Raboky and Nezam Mahdavi-Amiri Extended integer rank reduction formulas and Smith normal form . . . . . . . . . 1641--1659 Yun Zhang On the angle and the minimal angle between subspaces . . . . . . . . . . . 1660--1667 Hasan Alnajjar and Brian Curtin A bidiagonal and tridiagonal linear map with respect to eigenbases of equitable basis of $ {\rm sl}_2 $ . . . . . . . . 1668--1674 Michael P. Drazin Commuting properties of generalized inverses . . . . . . . . . . . . . . . . 1675--1681 Anonymous Editorial Board . . . . . . . . . . . . ebi--ebi
M. Rajesh Kannan and K. C. Sivakumar $ P_+ $-matrices: a generalization of $P$-matrices . . . . . . . . . . . . . . 1--12 Adel Alahmadi and S. K. Jain and André Leroy Decomposition of singular matrices into idempotents . . . . . . . . . . . . . . 13--27 Roksana Slowik How to construct a triangular matrix of a given order . . . . . . . . . . . . . 28--38 María I. Bueno and Fernando De Terán Eigenvectors and minimal bases for some families of Fiedler-like linearizations 39--62 M. Domokos Invariant theoretic characterization of subdiscriminants of matrices . . . . . . 63--73 Niushan Gao and Vladimir G. Troitsky Irreducible semigroups of positive operators on Banach lattices . . . . . . 74--95 P. Khachorncharoenkul and S. Pianskool Rank-$1$ preservers on Hessenberg matrices . . . . . . . . . . . . . . . . 96--113 Iwao Sato and Hideo Mitsuhashi and Hideaki Morita A matrix-weighted zeta function of a graph . . . . . . . . . . . . . . . . . 114--125 Mohammad Ali Dehghan and Gholamreza Talebi and Alireza Shojaeifard Lower bounds for generalized Hausdorff matrices and lower triangular matrices on the block weighted sequence space $ l_p(w, F) $ . . . . . . . . . . . . . . 126--138
E. Macías-Virgós and M. J. Pereira-Sáez A topological approach to left eigenvalues of quaternionic matrices . . 139--158 Ming-Huat Lim and Sin-Chee Tan Semimodules and preservers of traceless symmetric Boolean matrices of factor rank two . . . . . . . . . . . . . . . . 159--179 Eliseu Fritscher and Carlos Hoppen and Vilmar Trevisan Unicyclic graphs with equal Laplacian energy . . . . . . . . . . . . . . . . . 180--194 S. Akbari and R. Nikandish Some results on the intersection graph of ideals of matrix algebras . . . . . . 195--206 Janez Bernik and Mitja Mastnak On semitransitive Lie algebras of minimal dimension . . . . . . . . . . . 207--217 Wei Li and An Chang The minimal Laplacian spectral radius of trees with given matching number . . . . 218--228 Chaoqian Li and Yaotang Li New regions including eigenvalues of Toeplitz matrices . . . . . . . . . . . 229--241 Yi-Zheng Fan and Wen-Xue Du and Chun-Long Dong The nullity of bicyclic signed graphs 242--251 Predrag S. Stanimirovi\'c and Dimitrios Pappas and Sladjana Miljkovi\'c Minimization of quadratic forms using the Drazin-inverse solution . . . . . . 252--266 Rajinder Pal and Mandeep Singh and Jaspal Singh Aujla Generalized operator version of Bernoulli's inequality . . . . . . . . . 267--273
Jorge J. Garcés and Antonio M. Peralta Orthogonal forms and orthogonality preservers on real function algebras . . 275--296 Piotr Niemiec Functional calculus for diagonalizable matrices . . . . . . . . . . . . . . . . 297--321 Jamilson R. Campos Cohen and multiple Cohen strongly summing multilinear operators . . . . . 322--346 Ahmed Salem The basic Gauss hypergeometric matrix function and its matrix $q$-difference equation . . . . . . . . . . . . . . . . 347--361 Wen Li and Michael K. Ng On the limiting probability distribution of a transition probability tensor . . . 362--385 Leila Lebtahi and Pedro Patrício and Néstor Thome The diamond partial order in rings . . . 386--395 Lin Zhang Entropy, stochastic matrices, and quantum operations . . . . . . . . . . . 396--405 R. B. Bapat and Souvik Roy On the adjacency matrix of a block graph 406--418
Shunyi Liu and Heping Zhang Characterizing properties of permanental polynomials of lollipop graphs . . . . . 419--444 Zaili Yan and Shaoqiang Deng Completable two step nilpotent Lie algebras of type $ (2, p) $ . . . . . . 445--452 Cheng-Kai Liu and Hung-Yuan Chen and Pao-Kuei Liau Generalized skew derivations with nilpotent values on left ideals of rings and Banach algebras . . . . . . . . . . 453--465 Changjing Li and Fangyan Lu and Xiaochun Fang Non-linear $ \xi $-Jordan*-derivations on von Neumann algebras . . . . . . . . 466--473 Mari Sano A note on determinants, minors and a boundary map . . . . . . . . . . . . . . 474--485 Michiel de Bondt The strong nilpotency index of a matrix 486--497 Yi-Jia Tan Determinants of matrices over semirings 498--517 N. Popa Some special classes of infinite matrices . . . . . . . . . . . . . . . . 518--529 John Lorch Linear magic rectangles . . . . . . . . 530--537 Guojun Hai and Alatancang Chen On the invertibility of upper triangular operator matrices . . . . . . . . . . . 538--547 Julia Ramos González and Fernando Pablos Romo A negative answer to the question of the linearity of Tate's Trace for the sum of two endomorphisms . . . . . . . . . . . 548--552
Chi-Kwong Li and Yiu-Tung Poon and Ngai-Ching Wong Preface . . . . . . . . . . . . . . . . 553--553 Frank Uhlig Faster and more accurate computation of the field of values boundary for $n$ by $n$ matrices . . . . . . . . . . . . . . 554--567 Ming-Cheng Tsai and Hwa-Long Gau and Han-Chun Wang Refinements for numerical ranges of weighted shift matrices . . . . . . . . 568--578 Wai-Shun Cheung and Chi-Kwong Li Maximizing the numerical radii of matrices by permuting their entries . . 579--594 Mao-Ting Chien and Hiroshi Nakazato Numerical range of a nilpotent matrix and related central force . . . . . . . 595--613 Michel Crouzeix and Frank Gilfeather and John Holbrook Polynomial bounds for small matrices . . 614--625 Chi-Tung Chang and Hwa-Long Gau and Kuo-Zhong Wang Equality of higher-rank numerical ranges of matrices . . . . . . . . . . . . . . 626--638 David W. Kribs and Sarah Plosker Private quantum codes: introduction and connection with higher rank numerical ranges . . . . . . . . . . . . . . . . . 639--647 Nathaniel Johnston Norm duality and the cross norm criteria for quantum entanglement . . . . . . . . 648--658 N. Bebiano and J. da Providência and A. Nata The numerical range of banded $2$-Toeplitz operators in spaces with an indefinite metric . . . . . . . . . . . 659--673 Jor-Ting Chan and Kong Chan Two distance preservers of generalized numerical radii . . . . . . . . . . . . 674--682 Chang-Pao Chen and Jin-Wen Lan and Dah-Chin Luor The best constants for multidimensional modular inequalities over spherical cones . . . . . . . . . . . . . . . . . 683--713
Michael Gil' A new identity for resolvents of matrices . . . . . . . . . . . . . . . . 715--720 K. Ghanbari and F. Parvizpour and H. Mirzaei Constructing Jacobi matrices using prescribed mixed eigendata . . . . . . . 721--734 Jianrong Zhao Divisibility of power LCM matrices by power GCD matrices on gcd-closed sets 735--748 Bertfried Fauser and Peter D. Jarvis and Ronald C. King Ribbon Hopf algebras from group character rings . . . . . . . . . . . . 749--775 Ajda Fo\vsner and Zejun Huang and Chi-Kwong Li and Yiu-Tung Poon and Nung-Sing Sze Linear maps preserving the higher numerical ranges of tensor products of matrices . . . . . . . . . . . . . . . . 776--791 K. Manjunatha Prasad and K. S. Mohana Core-EP inverse . . . . . . . . . . . . 792--802 Hung-Yuan Chen Additive maps preserving operator-eigenvector relations . . . . . 803--810 Raúl Felipe-Sosa and Raúl Felipe and Juana Sánchez-Ortega and Murray R. Bremner and Michael K. Kinyon The Cayley--Dickson process for dialgebras . . . . . . . . . . . . . . . 811--830 Hu Yang and Pingping Zhang A note on multiplicative perturbation bounds for the Moore--Penrose inverse 831--838 Xue-Feng Duan and Qing-Wen Wang and Chun-Mei Li Positive definite solution of a class of nonlinear matrix equation . . . . . . . 839--852
Ber-Lin Yu and Ting-Zhu Huang and Hong Cheng and Dongdong Wang Eventual positivity of tridiagonal sign patterns . . . . . . . . . . . . . . . . 853--859 Geraldo Botelho and Daniel Pellegrino and Pilar Rueda On Pietsch measures for summing operators and dominated polynomials . . 860--874 Chi-Keung Ng An application of infinite projective tensor products of normed *-algebras . . 875--883 J. Wu and J. Zhao Operator inequalities and reverse inequalities related to the Kittaneh--Manasrah inequalities . . . . 884--894 Guang-Jing Song Common solutions to some operator equations over Hilbert $ C^* $-modules and applications . . . . . . . . . . . . 895--912 Jinming Zhou and Dengyin Wang Linear maps on matrix algebra Jordan derivable at involutory matrices . . . . 913--917 Nebojsa C. Dinci\'c and Dragan S. Djordjevi\'c Hartwig's triple reverse order law revisited . . . . . . . . . . . . . . . 918--924 Zhenhua Gu and Zhe-Xian Wan and Kai Zhou Subconstituents of unitary graphs over finite fields . . . . . . . . . . . . . 925--937 Roksana Slowik Maps on infinite triangular matrices preserving idempotents . . . . . . . . . 938--964 G. Aalipour and S. Akbari and N. Shajari Laplacian spectral characterization of two families of trees . . . . . . . . . 965--977 Gérald Bourgeois About the matrix function $ X \to A X + X A $ . . . . . . . . . . . . . . . . . 978--987 Constantin Costara Surjective maps on matrices preserving the local spectral radius distance . . . 988--994
M. A. Hasankhani Fard and M. A. Dehghan A new function-valued inner product and corresponding function-valued frames in $ L_2 (0, \infty) $ . . . . . . . . . . 995--1009 Luka Grubisi\'c and Ninoslav Truhar and Suzana Miodragovi\'c The rotation of eigenspaces of perturbed matrix pairs II . . . . . . . . . . . . 1010--1031 Xin Liang and Ren-Cang Li Extensions of Wielandt's min-max principles for positive semi-definite pencils . . . . . . . . . . . . . . . . 1032--1048 Ines Feki and Aref Jeribi and Ridha Sfaxi On a Riesz basis of eigenvectors of a nonself-adjoint analytic operator and applications . . . . . . . . . . . . . . 1049--1068 Stephen Drury and Minghua Lin Reversed Fischer determinantal inequalities . . . . . . . . . . . . . . 1069--1075 J. Szigeti and L. van Wyk Determinants for $ n \times n $ matrices and the symmetric Newton formula in the $ 3 \times 3 $ case . . . . . . . . . . 1076--1090 Bo Hou and Liwei Zhang and Suogang Gao The Leonard triples extended from given Leonard pairs of Bannai/Ito type . . . . 1091--1104 Hui-li Wang and Xue-ping Wang Eigenproblem for optimal-node matrices in max-plus algebra . . . . . . . . . . 1105--1113 David Dolzan and Damjana Kokol Bukovsek Minimal matrix centralizers over the field $ Z_2 $ . . . . . . . . . . . . . 1114--1126 Rupinderjit Kaur and Mandeep Singh Another operator version of generalized Bernoulli's inequality . . . . . . . . . 1127--1136 Gérald Bourgeois Corrigendum: About the matrix function $ X \to A X + X A $ . . . . . . . . . . . 1137--1137
Mustapha Ra\"\issouli Corrigendum: Stable and stabilizable means involving linear operator arguments . . . . . . . . . . . . . . . i--i F. Saeedi and B. Veisi On Schur's theorem and its converses for $n$-Lie algebras . . . . . . . . . . . . 1139--1145 Bilender P. Allahverdiev Extensions of symmetric infinite Jacobi operator . . . . . . . . . . . . . . . . 1146--1152 Mustapha Ra\"\issouli Stable and stabilizable means involving linear operator arguments . . . . . . . 1153--1168 Stavros G. Stavrou Canonical forms of $ 2 \times 2 \times $ 2 and $ 2 \times 2 \times 2 \times 2 $ symmetric tensors over prime fields . . 1169--1186 Gabriel Kantún-Montiel Outer generalized inverses with prescribed ideals . . . . . . . . . . . 1187--1196 Roman Drnovsek and Vladimir Müller On joint numerical radius II . . . . . . 1197--1204 Xiaogang Liu and Sanming Zhou Spectra of the neighbourhood corona of two graphs . . . . . . . . . . . . . . . 1205--1219 A. Kh. Khudoyberdiyev and M. Ladra and B. A. Omirov On solvable Leibniz algebras whose nilradical is a direct sum of null-filiform algebras . . . . . . . . . 1220--1239 Shuangnian Hu and Shaofang Hong Multiple divisor chains and determinants of matrices associated with completely even functions (mod $r$ ) . . . . . . . 1240--1257 Matja\vz Omladi\vc On maximal nilspaces of matrices . . . . 1258--1265 Wai-Shun Cheung On the boundary of rank-$k$ numerical ranges . . . . . . . . . . . . . . . . . 1266--1271 Bojan Magajna Bicommutants and ranges of derivations 1272--1273
Gholamreza Talebi and Mohammad Ali Dehghan Upper bounds for the operator norms of Hausdorff matrices and Nörlund matrices on the Euler weighted sequence space . . 1275--1284 Ali Taghavi and Roja Hosseinzadeh Maps preserving the dimension of fixed points of products of operators . . . . 1285--1292 Alberto Elduque and Noriaki Kamiya and Susumu Okubo Left unital Kantor triple systems and structurable algebras . . . . . . . . . 1293--1313 Fazlollah Soleymani On finding robust approximate inverses for large sparse matrices . . . . . . . 1314--1334 Timothy Leake and Brian Lins and Ilya M. Spitkovsky Inverse continuity on the boundary of the numerical range . . . . . . . . . . 1335--1345 Alexander Farrugia and Irene Sciriha The main eigenvalues and number of walks in self-complementary graphs . . . . . . 1346--1360 Tao Yu Samuel multiplicity of a semi-Fredholm operator . . . . . . . . . . . . . . . . 1361--1364 Chunyuan Deng Invertibility and stability of linear combinations of $m$-potent operators . . 1365--1376 Rundan Xing and Bo Zhou and Jianping Li On the distance signless Laplacian spectral radius of graphs . . . . . . . 1377--1387 Shenglong Hu and Liqun Qi The $E$-eigenvectors of tensors . . . . 1388--1402 C. R. Johnson and S. Nasserasr Complete solution to the TP$_2$ completion problem . . . . . . . . . . . 1403--1420
Stephen Drury A Fischer-type determinantal inequality 1421--1427 Xiao-Ming Xu and Xiaochun Fang and Fugen Gao Principal invariant subspaces theorems 1428--1436 M. Soleymani and A. Armandnejad Linear preservers of even majorization on M$_{n, m}$ . . . . . . . . . . . . . 1437--1449 J. M. Ancochea Bermúdez and R. Campoamor-Stursberg An irreducible component of the variety of Leibniz algebras having trivial intersection with the variety of Lie algebras . . . . . . . . . . . . . . . . 1450--1459 Augusto Ferrante and Lorenzo Ntogramatzidis A reduction technique for discrete generalized algebraic and difference Riccati equations . . . . . . . . . . . 1460--1474 Qian-yu Shu and Xue-ping Wang Dimensional formulas of semilinear subspaces over semirings . . . . . . . . 1475--1490 Steve Kirkland Load balancing for Markov chains with a specified directed graph . . . . . . . . 1491--1508 Zhuo-Heng He and Qing-Wen Wang The $ \eta $-bihermitian solution to a system of real quaternion matrix equations . . . . . . . . . . . . . . . 1509--1528 JianFeng Wang and Francesco Belardo and QiangLong Zhang Signless Laplacian spectral characterization of line graphs of $T$-shape trees . . . . . . . . . . . . 1529--1545 E. Ballico An upper bound for the real tensor rank and the real symmetric tensor rank in terms of the complex ranks . . . . . . . 1546--1552
Charles R. Johnson and Helena Smigoc and Dian Yang Solution theory for systems of bilinear equations . . . . . . . . . . . . . . . 1553--1566 Anja Korporal and Georg Regensburger On the product of projectors and generalized inverses . . . . . . . . . . 1567--1582 Charles R. Johnson and Sivaram K. Narayan The Koteljanskii inequalities for mixed matrices . . . . . . . . . . . . . . . . 1583--1590 S. Biagi and A. Bonfiglioli On the convergence of the Campbell--Baker--Hausdorff--Dynkin series in infinite-dimensional Banach--Lie algebras . . . . . . . . . . 1591--1615 Roman Drnovsek and Marko Kandi\'c From local to global ideal-triangularizability . . . . . . . 1616--1628 Saroj B. Malik and Laura Rueda and Néstor Thome Further properties on the core partial order and other matrix partial orders 1629--1648 D. Achour and E. Dahia and P. Rueda and E. A. Sánchez Pérez Factorization of strongly $ (p, \sigma)$-continuous multilinear operators . . . . . . . . . . . . . . . 1649--1670 Murray R. Bremner A polynomial identity for the bilinear operation in Lie--Yamaguti algebras . . 1671--1682 Anonymous Editorial Board . . . . . . . . . . . . ebi--ebi
Agrawal N. Sushama and K. Premakumari and K. C. Sivakumar Extensions of Perron--Frobenius splittings and relationships with nonnegative Moore--Penrose inverses . . 1--11 Lajos Molnár Jordan triple endomorphisms and isometries of spaces of positive definite matrices . . . . . . . . . . . 12--33 Manuel O'Ryan Products of higher degree forms . . . . 34--45 Miodrag Cristian Iovanov Triangular matrix coalgebras and applications . . . . . . . . . . . . . . 46--67 Benjamin Passer An approximate version of the Jordan von Neumann theorem for finite-dimensional real normed spaces . . . . . . . . . . . 68--77 Hanyu Li and Hu Yang and Hua Shao Perturbation analysis for the symplectic QR factorization . . . . . . . . . . . . 78--96 Melek Erdogdu and Mustafa Özdemir Two-sided linear split quaternionic equations with $n$ unknowns . . . . . . 97--106 Runling An and Chunhui Xue and Jinchuan Hou Equivalent characterization of derivations on operator algebras . . . . 107--119 Yisheng Song and Liqun Qi Necessary and sufficient conditions for copositive tensors . . . . . . . . . . . 120--131 Dan Yan and Guoping Tang Some remarks on linear triangularizability . . . . . . . . . . 132--140 Dominik Benkovic Lie triple derivations of unital algebras with idempotents . . . . . . . 141--165 Francesco Belardo On the largest eigenvalue of some bidegreed graphs . . . . . . . . . . . . 166--184 P. Patrício and R. E. Hartwig Some regular sums . . . . . . . . . . . 185--200 Yaroslav Shitov Two concepts of singularity for matrices over semirings . . . . . . . . . . . . . 201--220
Yaroslav Shitov Nonnegative rank of a matrix with one negative eigenvalue . . . . . . . . . . 221--221 Ze-jia Xie and Wen Li Sensitivity analysis for the SR decomposition . . . . . . . . . . . . . 222--234 Alatancang Chen and Yaru Qi and Junjie Huang Left invertibility of formal Hamiltonian operators . . . . . . . . . . . . . . . 235--243 Qingxiang Xu and Chuanning Song and Xiaofang Liu General exact solutions of the second-order homogeneous algebraic differential equations . . . . . . . . . 244--263 Hongxing Wang On least squares solutions subject to a rank restriction . . . . . . . . . . . . 264--273 Sean Clark and Yung-Ning Peng and S. Kuang Thamrongpairoj Super tableaux and a branching rule for the general linear Lie superalgebra . . 274--282 Behnam Hashemi and Mahtab Mirzaei Khalilabadi and Hanieh Tavakolipour A cubic time algorithm for finding the principal solution to Sylvester matrix equations over $ (\max, +) $ . . . . . . 283--295 Stephen Drury Principal powers of matrices with positive definite real part . . . . . . 296--301 Lucio Centrone and Thiago Castilho de Mello On Z$_n$-graded identities of block-triangular matrices . . . . . . . 302--313 Andrzej Jamiolkowski and Grzegorz Pastuszak Generalized Shemesh criterion, common invariant subspaces and irreducible completely positive superoperators . . . 314--325 Daniel Brice and Huajun Huang On zero product determined algebras . . 326--342 Janko Marovt and Dragan S. Raki\'c and Dragan S. Djordjevi\'c Star, left-star, and right-star partial orders in Rickart $ \ast $-rings . . . . 343--365 Baodong Zheng and Jinli Xu and Ajda Fo\vsner Linear maps preserving rank of tensor products of matrices . . . . . . . . . . 366--376 Hongying Lin and Bo Zhou Graphs with at most one signless Laplacian eigenvalue exceeding three . . 377--383 Naomi Shaked-Monderer and Abraham Berman and Immanuel M. Bomze and Florian Jarre and Werner Schachinger New results on the cp-rank and related properties of co(mpletely )positive matrices . . . . . . . . . . . . . . . . 384--396 Heping Zhang and Tingzeng Wu and Hong-Jian Lai Per-spectral characterizations of some edge-deleted subgraphs of a complete graph . . . . . . . . . . . . . . . . . 397--410 Tsiu-Kwen Lee and Tsai-Lien Wong and Yiqiang Zhou The structure of Jordan *-derivations of prime rings . . . . . . . . . . . . . . 411--422 Miriam Farber and Charles R. Johnson The structure of Schur complements in hollow, symmetric nonnegative matrices with two nonpositive eigenvalues . . . . 423--438
Sayyed Ahmad Mousavi and Abbas Salemi Joint higher rank numerical range of Pauli group . . . . . . . . . . . . . . 439--454 A. Yousef and M. Sababheh and R. Khalil Operator-norm inequalities and interpolated trace inequalities . . . . 455--465 Yilun Shang Distance Estrada index of random graphs 466--471 Emilio Defez and Michael M. Tung and Francisco J. Solis and Javier Ibáñez Numerical approximations of second-order matrix differential equations using higher degree splines . . . . . . . . . 472--489 Lei Liu Strong commutativity preserving maps on von Neumann algebras . . . . . . . . . . 490--496 J. Cirulis Lattice operations on Rickart $ \ast $-rings under the star order . . . . . . 497--508 Milan Nath and Somnath Paul On the spectra of graphs with edge-pockets . . . . . . . . . . . . . . 509--522 Lizhu Sun and Wenzhe Wang and Jiang Zhou and Changjiang Bu Some results on resistance distances and resistance matrices . . . . . . . . . . 523--533 Daniel Eremita Functional identities of degree $2$ in triangular rings revisited . . . . . . . 534--553 D. Pellegrino and J. B. Seoane-Sepúlveda Grothendieck's theorem for absolutely summing multilinear operators is optimal 554--558 J. Abderramán Marrero and M. Rachidi Inverses of generalized Hessenberg matrices . . . . . . . . . . . . . . . . 559--570 Xiaohui Fu and Chuanjiang He Some operator inequalities for positive linear maps . . . . . . . . . . . . . . 571--577 Vignon Oussa Computing Vergne polarizing subalgebras 578--585 B. A. Omirov and U. A. Rozikov and K. M. Tulenbayev On real chains of evolution algebras . . 586--600 G. Militaru The global extension problem, co-flag and metabelian Leibniz algebras . . . . 601--621 Horst Alzer and Carlos M. da Fonseca and Alexander Kovacec Young-type inequalities and their matrix analogues . . . . . . . . . . . . . . . 622--635 Jun Ichi Fujii and Yuki Seo On the Ando--Li--Mathias mean and the Karcher mean of positive definite matrices . . . . . . . . . . . . . . . . 636--649 Wiland Schmale Letter to the editor . . . . . . . . . . 650--650
Tao Zhang Cohomology and deformations of $3$-Lie colour algebras . . . . . . . . . . . . 651--671 R. Slowik Three linear preservers on infinite triangular matrices . . . . . . . . . . 672--694 Mark Pankov Geometrical characterization of semilinear isomorphisms of vector spaces and semilinear homeomorphisms of normed spaces . . . . . . . . . . . . . . . . . 695--701 Diogo Diniz $2$-Graded identities for the tensor square of the Grassmann algebra . . . . 702--712 Hans Plesner Jakobsen and Chiara Pagani Quantized matrix algebras and quantum seeds . . . . . . . . . . . . . . . . . 713--753 Xin Li and Xiaochun Fang Constructing $k$-Schmidt witnesses for infinite-dimensional systems . . . . . . 754--764 Abdellatif Bourhim and Javad Mashreghi Maps preserving the local spectrum of triple product of operators . . . . . . 765--773 Sivaram K. Narayan and Yousra Sharawi Bounds on minimum semidefinite rank of graphs . . . . . . . . . . . . . . . . . 774--787 György Pál Gehér Characterization of Cesáro and $L$-asymptotic limits of matrices . . . 788--805 M. Bendaoud and M. Jabbar and M. Sarih Preservers of local spectra of operator products . . . . . . . . . . . . . . . . 806--819 Guang-Hui Cheng and Qin Tan and Zhuan-De Wang A note on eigenvalues of perturbed $ 2 \times 2 $ block Hermitian matrices . . 820--825 Calin-Grigore Ambrozie and Aurelian Gheondea An interpolation problem for completely positive maps on matrix algebras: solvability and parametrization . . . . 826--851 Xiao-Shan Chen and Wen Li and Xianping Wu Backward errors of periodic invariant subspaces for regular periodic matrix pairs . . . . . . . . . . . . . . . . . 852--861 Khakim D. Ikramov Toeplitz-plus-Hankel circulants are reducible to block diagonal form via unitary congruences . . . . . . . . . . 862--867
Bassam Mourad and Hassan Abbas On the symmetric doubly stochastic matrices that are determined by their spectra and their connection with spectral graph theory . . . . . . . . . 869--881 A. Herrero and F. J. Ramírez and N. Thome An algorithm to study the nonnegativity, regularity and stability via state-feedbacks of singular systems of arbitrary index . . . . . . . . . . . . 882--892 Predrag S. Stanimirovi\'c and Dimitrios Pappas and Vasilios N. Katsikis Generalized inverse restricted by the normal Drazin equation . . . . . . . . . 893--913 Preeti Mohindru The Drew--Johnson--Loewy conjecture for matrices over max-min semirings . . . . 914--926 Vincenzo De Filippis and Onofrio Mario Di Vincenzo Generalized skew derivations on semiprime rings . . . . . . . . . . . . 927--939 Toshio Sumi and Mitsuhiro Miyazaki and Toshio Sakata Typical ranks of $ m \times n \times (m - 1) n $ tensors with $ 3 \leq m \leq n $ over the real number field . . . . . . 940--955 Joshua Cooper and Aaron Dutle Computing hypermatrix spectra with the Poisson product formula . . . . . . . . 956--970 Jia-Yu Shao and Liqun Qi and Shenglong Hu Some new trace formulas of tensors with applications in spectral hypergraph theory . . . . . . . . . . . . . . . . . 971--992 Bao-Xuan Zhu Bound on the least eigenvalue of a graph with cut vertices . . . . . . . . . . . 993--1001 Chao Ma Idempotent sign patterns of special types . . . . . . . . . . . . . . . . . 1002--1008 Jun Luo and Ting-Zhu Huang and Hou-biao Li and Zhongshan Li and Lihua Zhang Tree sign patterns that allow nilpotence of index $4$ . . . . . . . . . . . . . . 1009--1025 Donghua Huo and Baodong Zheng and Jinli Xu and Hongyu Liu Nonlinear mappings preserving Jordan multiple $ \ast $-product on factor von Neumann algebras . . . . . . . . . . . . 1026--1036 Lingsheng Meng and Bing Zheng New multiplicative perturbation bounds of the Moore--Penrose inverse . . . . . 1037--1048 Jiao-fen Li and Wen Li and Zhen-yun Peng A hybrid algorithm for solving minimization problem over $ (R, S) $-symmetric matrices with the matrix inequality constraint . . . . . . . . . 1049--1072
Richard A. Brualdi and Eliseu Fritscher Trace index of a $ (0, 1)$-matrix . . . 1073--1085 Zhuohua Peng The $ (R, S) $-symmetric least squares solutions of the general coupled matrix equations . . . . . . . . . . . . . . . 1086--1105 Dijana Mosi\'c A note on Cline's formula for the generalized Drazin inverse . . . . . . . 1106--1110 Stavros Georgios Stavrou Canonical forms of order-$k$ $ (k = 2, 3, 4) $ symmetric tensors of format $ 3 \times \ldots {} \times 3 $ over prime fields . . . . . . . . . . . . . . . . . 1111--1124 M. Uç and H. Özdemir and A. Y. Özban On the quadraticity of linear combinations of quadratic matrices . . . 1125--1137 Koichi Suyama and Nobuko Kosugi Bezout equations over bivariate polynomial matrices related by an entire function . . . . . . . . . . . . . . . . 1138--1153 Mahsa R. Moghaddam and Hanif Mirzaei and Kazem Ghanbari On the generalized inverse eigenvalue problem of constructing symmetric pentadiagonal matrices from three mixed eigendata . . . . . . . . . . . . . . . 1154--1166 Dragana S. Cvetkovi\'c-Ili\'c and Jovana Nikolov Reverse order laws for reflexive generalized inverse of operators . . . . 1167--1175 Grant Cairns and Ana Hini\'c Gali\'c and Yuri Nikolayevsky and Ioannis Tsartsaflis Geodesic bases for Lie algebras . . . . 1176--1194 A. K. Abdikalykov and V. N. Chugunov and Kh. D. Ikramov Unitary congruence automorphisms of the space of Toeplitz matrices . . . . . . . 1195--1203 Ana I. Julio and Cristina B. Manzaneda and Ricardo L. Soto Normal nonnegative realization of spectra . . . . . . . . . . . . . . . . 1204--1215 L. Livshits and G. W. MacDonald and L. W. Marcoux and H. Radjavi A spatial version of Wedderburn's Principal Theorem . . . . . . . . . . . 1216--1241 Meiyan Jiao and Xiaofei Qi Additive maps preserving commutativity up to a factor on nest algebras . . . . 1242--1256 Pilar Benito and Murray Bremner and Sara Madariaga Symmetric matrices, orthogonal Lie algebras and Lie--Yamaguti algebras . . 1257--1281
Tsiu-Kwen Lee Sesquilinear functionals on matrix algebras with involution . . . . . . . . 1283--1293 M. Burgos and A. C. Márquez-García and A. Morales-Campoy Determining Jordan (triple) homomorphisms by invertibility preserving conditions . . . . . . . . . 1294--1308 Zhankui Xiao and Feng Wei and Ajda Fo\vsner Centralizing traces and Lie triple isomorphisms on triangular algebras . . 1309--1331 Carl D. Meyer Continuity of the Perron root . . . . . 1332--1336 Jin Liang and Guanghua Shi Refinements of the Heinz operator inequalities . . . . . . . . . . . . . . 1337--1344 Sriparna Chattopadhyay and Pratima Panigrahi On Laplacian spectrum of power graphs of finite cyclic and dihedral groups . . . 1345--1355 Xueyi Huang and Qiongxiang Huang and Fei Wen On the Laplacian integral tricyclic graphs . . . . . . . . . . . . . . . . . 1356--1371 Roksana Slowik Epimorphisms of the ring of infinite triangular matrices . . . . . . . . . . 1372--1378 Kevin Seltzer and J. Tao On perturbation bounds of eigenvalues in Euclidean Jordan Algebras . . . . . . . 1379--1389 Mengxue Xia and Wei Li and Haohao Li Farkas-type theorems for interval linear systems . . . . . . . . . . . . . . . . 1390--1400 Jie Lan and Bo Zhou Spectra of graph operations based on $R$-graph . . . . . . . . . . . . . . . 1401--1422 Shani Jose and K. C. Sivakumar On partial orders of Hilbert space operators . . . . . . . . . . . . . . . 1423--1441 Ming-Huat Lim A note on linear preservers of certain ranks of tensor products of matrices . . 1442--1447 Maliheh Hosseini and Juan J. Font and Manuel Sanchis Multilinear isometries on function algebras . . . . . . . . . . . . . . . . 1448--1457 Hasan Alnajjar A tridiagonal linear map with respect to eigenbases of equitable basis of $ {\rm sl}_2 $ . . . . . . . . . . . . . . . . 1458--1467 Adam H. Berliner and Richard A. Brualdi Nearly symmetric-indecomposable matrices 1468--1484 Lj. Arambasi\'c and R. Raji\'c On three concepts of orthogonality in Hilbert $ C^* $-modules . . . . . . . . 1485--1500
Mao-Ting Chien and Hiroshi Nakazato Elliptic modular invariants and numerical ranges . . . . . . . . . . . . 1501--1519 Bo Ning and Jun Ge Spectral radius and Hamiltonian properties of graphs . . . . . . . . . . 1520--1530 Vanni Noferini When is a Hamiltonian matrix the commutator of two skew-Hamiltonian matrices? . . . . . . . . . . . . . . . 1531--1552 Ivan P. Stanimirovi\'c Computing $ A_{T, S}^{(2)} $ inverses of Hermitian matrices via $ L D L^* $ decomposition for a square matrix $A$ 1553--1567 Christian Berg and Ryszard Szwarc A determinant characterization of moment sequences with finitely many mass points 1568--1576 Dinh Trung Hoa and Hiroyuki Osaka and Jun Tomiyama Characterization of operator monotone functions by Powers--Stòrmer type inequalities . . . . . . . . . . . . . . 1577--1589 Ji-jun Ao and Jiong Sun Matrix representations of fourth-order boundary value problems with coupled or mixed boundary conditions . . . . . . . 1590--1598 Hiroya Ito and Atsushi Noma and Masahiro Ohno Maximal minors of a matrix with linear form entries . . . . . . . . . . . . . . 1599--1606 Hui-li Wang and Xue-Ping Wang The characterizations of irreducible matrices with proper supereigenvectors 1607--1620 Zhiping Xiong and Yingying Qin An invariance property related to the mixed-type reverse order laws . . . . . 1621--1634 Kouider Miloud Hocine and Mohammed Benharrat and Bekkai Messirdi Left and right generalized Drazin invertible operators . . . . . . . . . . 1635--1648 Kyung-Tae Kang and Seok-Zun Song Regular matrices and their generalized inverses over the max algebra . . . . . 1649--1663 Chuang Xu On the idempotency, involution and nilpotency of a linear combination of two matrices . . . . . . . . . . . . . . 1664--1677 Mojtaba Bakherad and Mohammad Sal Moslehian Complementary and refined inequalities of Callebaut inequality for operators 1678--1692 Xiaofei Qi Characterizing Lie $n$-derivations for reflexive algebras . . . . . . . . . . . 1693--1706
Janko Marovt On partial orders in Rickart rings . . . 1707--1723 Victor Adukov Representation theory of finite groups in Wiener--Hopf factorization problem 1724--1736 Xue Ding On some spectral properties of large self-dual dilute quaternion random matrices . . . . . . . . . . . . . . . . 1737--1749 Huiqiu Lin and Xiwen Lu Bounds on the distance signless Laplacian spectral radius in terms of clique number . . . . . . . . . . . . . 1750--1759 André Pierro de Camargo On some determinantal identities formation laws . . . . . . . . . . . . . 1760--1767 A. Compta and J. Ferrer Geometric classification of monogenic subspaces and uniparametric linear control systems . . . . . . . . . . . . 1768--1785 Xinfeng Liang and Feng Wei and Zhankui Xiao and Ajda Fo\vsner Centralizing traces and Lie triple isomorphisms on generalized matrix algebras . . . . . . . . . . . . . . . . 1786--1816 Mario Chica and Javier Merí Rank-$1$ numerical index of some families of norms on the plane . . . . . 1817--1828 Hongxing Wang and Xiaoji Liu Characterizations of the core inverse and the core partial ordering . . . . . 1829--1836 Guanglong Yu and Shu-Guang Guo and Yarong Wu Maxima of the $Q$-index for outer-planar graphs . . . . . . . . . . . . . . . . . 1837--1848 Shi-Fang Yuan and An-Ping Liao and Peng Wang Least squares $ \eta $-bi-Hermitian problems of the quaternion matrix equation $ (A X B, C X D) = (E, F)$ . . 1849--1863 Matej Bresar Algebras in which non-scalar elements have small centralizers . . . . . . . . 1864--1871 Paul Sundheim Construction of hyperdeterminants . . . 1872--1900 Khakim D. Ikramov Normality conditions for the BHH matrix operator . . . . . . . . . . . . . . . . 1901--1908 Ibrahim Halil Gumus A note on a conjecture about Wielandt's inequality . . . . . . . . . . . . . . . 1909--1913
Peter \vSemrl and Tin-Yau Tam and Fuzhen Zhang Preface . . . . . . . . . . . . . . . . 1915--1915 Hwa-Long Gau and Kuo-Zhong Wang and Pei Yuan Wu Numerical radii for tensor products of matrices . . . . . . . . . . . . . . . . 1916--1936 Laura Iglésias and Fernando C. Silva Spectral and weak polynomial completeness for the product of nonsingular matrices . . . . . . . . . . 1937--1946 Eungil Ko and Ji Eun Lee Normal truncated Toeplitz operators on finite-dimensional spaces . . . . . . . 1947--1971 Mojtaba Bakherad and Mohammad Sal Moslehian Reverses and variations of Heinz inequality . . . . . . . . . . . . . . . 1972--1980 Jie Zhang and Xiao-Dong Zhang Signless Laplacian coefficients and incidence energy of unicyclic graphs with the matching number . . . . . . . . 1981--2008 S. Burcu Bozkurt and Durmus Bozkurt and Xiao-Dong Zhang On the spectral radius and the energy of a digraph . . . . . . . . . . . . . . . 2009--2016 Zhuo-Heng He and Qing-Wen Wang The general solutions to some systems of matrix equations . . . . . . . . . . . . 2017--2032 Fuzhen Zhang A matrix decomposition and its applications . . . . . . . . . . . . . . 2033--2042 Sione Ma'u Chebyshev constants, linear algebra and computation on algebraic curves . . . . 2043--2060 Mary Clair Thompson and Tin-Yau Tam Rutishauser's $ L R $ algorithm and Bruhat iteration . . . . . . . . . . . . 2061--2070 Mustafa Bahsi and Süleyman Solak Some particular matrices and their characteristic polynomials . . . . . . . 2071--2078 Durmus Bozkurt and Tin-Yau Tam Determinants and inverses of $r$-circulant matrices associated with a number sequence . . . . . . . . . . . . 2079--2088 Ismail Aydogdu and Irfan Siap On $ Z_{p^r} Z_{p^s} $-additive codes 2089--2102 Zhibin Du and Carlos M. da Fonseca The singular acyclic matrices with the second largest number of $P$-vertices 2103--2120
L. Giuzzi and V. Pepe On some subvarieties of the Grassmann variety . . . . . . . . . . . . . . . . 2121--2134 Leandro Cagliero and Nadina Rojas A lower bound for faithful representations of nilpotent Lie algebras . . . . . . . . . . . . . . . . 2135--2150 Diogo Diniz Pereira da Silva e Silva A primeness property for central polynomials of verbally prime P.I. algebras . . . . . . . . . . . . . . . . 2151--2158 Chaoqian Li and Qingbing Liu and Yaotang Li Ger\vsgorin-type and Brauer-type eigenvalue localization sets of stochastic matrices . . . . . . . . . . 2159--2170 Rui-Pu Bai and Yong Wu Constructions of $3$-Lie algebras . . . 2171--2186 A. L. Agore and G. Militaru Itô's theorem and metabelian Leibniz algebras . . . . . . . . . . . . . . . . 2187--2199 Xiaobin Ma and Dein Wong The nullity of $k$-cyclic graphs of $ \infty $-type . . . . . . . . . . . . . 2200--2211 Tao Zhang and Juan Li Deformations and extensions of Lie--Yamaguti algebras . . . . . . . . . 2212--2231 M. Sababheh and A. Yousef and R. Khalil Interpolated Young and Heinz inequalities . . . . . . . . . . . . . . 2232--2244 B. V. Rajarama Bhat and Arup Chattopadhyay and G. Sankara Raju Kosuru On submajorization and eigenvalue inequalities . . . . . . . . . . . . . . 2245--2253 A. O. Abdulkareem and I. S. Rakhimov and S. K. Said Husain Isomorphism classes and invariants of low-dimensional filiform Leibniz algebras . . . . . . . . . . . . . . . . 2254--2274 Keivan Hassani Monfared and Bryan L. Shader The $ \lambda - \tau $ structured inverse eigenvalue problem . . . . . . . 2275--2300 Agnieszka Bier and Waldemar Holubowski A note on commutators in the group of infinite triangular matrices over a ring 2301--2310 Mohamed Barraa and Mohamed Boumazgour Numerical range submultiplicity . . . . 2311--2317 Koichi Suyama and Nobuko Kosugi A new approach to Bezout equations derived from multivariate polynomial matrices and real entire functions . . . 2318--2331 Rachid El Harti and Mohamed Mabrouk Maps compressing and expanding the numerical range on $ C^* $-algebras . . 2332--2339
Na Kang and Bo Hou and Suogang Gao Leonard triples of Krawtchouk type . . . 2341--2358 Jia-Yu Shao and Hai-Ying Shan and Bao-feng Wu Some spectral properties and characterizations of connected odd-bipartite uniform hypergraphs . . . 2359--2372 Xiaohui Fu and Dinh Trung Hoa On some inequalities with matrix means 2373--2378 Yunhe Sheng and Zhen Xiong On Hom--Lie algebras . . . . . . . . . . 2379--2395 Luhua Wang and Ligong Wang Laplacian spectral characterization of clover graphs . . . . . . . . . . . . . 2396--2405 Pawel Józiak Conditionally strictly negative definite kernels . . . . . . . . . . . . . . . . 2406--2418 Long Wang and Jianlong Chen Further results on partial ordering and the generalized inverses . . . . . . . . 2419--2429 T. Petik and M. Uç and H. Özdemir Generalized quadraticity of linear combination of two generalized quadratic matrices . . . . . . . . . . . . . . . . 2430--2439 Chao You The parallel refinement of weakening idempotent pair . . . . . . . . . . . . 2440--2447 Youngkwon Song and Doohann Lee Vector generators of the real Clifford algebras . . . . . . . . . . . . . . . . 2448--2460 Predrag S. Stanimirovi\'c and Dimitrios Pappas and Vasilios N. Katsikis and Marija S. Cvetkovi\'c Outer inverse restricted by a linear system . . . . . . . . . . . . . . . . . 2461--2493 Vignon Oussa Dihedral group frames which are maximally robust to erasures . . . . . . 2494--2510 Pingping Zhang A further extension of Rotfel'd theorem 2511--2517 E. Akkurt and M. Akkurt and G. P. Barker Jordan homomorphisms of the structural matrix algebras . . . . . . . . . . . . 2518--2525 Koenraad M. R. Audenaert On a block matrix inequality quantifying the monogamy of the negativity of entanglement . . . . . . . . . . . . . . 2526--2536 Bassam Mourad and Hassan Abbas and Mohammad Sal Moslehian A note on the inverse spectral problem for symmetric doubly stochastic matrices 2537--2545 Sha Chang and Suogang Gao and Bo Hou The Leonard triples with quantum parameter being not a unit root . . . . 2546--2560 Anonymous Editorial Board . . . . . . . . . . . . ebi--ebi
Anonymous Preface . . . . . . . . . . . . . . . . 1--1 Mao-Ting Chien and Hiroshi Nakazato and Batzorig Undrakh and Adiyasuren Vandanjav Determinantal polynomials of a weighted shift operator . . . . . . . . . . . . . 2--13 Hwa-Long Gau and Kuo-Zhong Wang and Pei Yuan Wu Circular numerical ranges of partial isometries . . . . . . . . . . . . . . . 14--35 Jinchuan Hou and Kan He Non-linear maps on self-adjoint operators preserving numerical radius and numerical range of Lie product . . . 36--57 Mao-Ting Chien and Hwa-Long Gau and Chi-Kwong Li and Ming-Cheng Tsai and Kuo-Zhong Wang Product of operators and numerical range 58--67 Sayyed Ahmad Mousavi and Abbas Salemi Quantum error correction for a subgroup of the Pauli group using higher rank numerical range . . . . . . . . . . . . 68--77 Wai-Shun Cheung On the boundary of weighted numerical ranges . . . . . . . . . . . . . . . . . 78--86 Brian Lins and Parth Parihar Continuous selections of the inverse numerical range map . . . . . . . . . . 87--99 Timothy Leake and Brian Lins and Ilya M. Spitkovsky Corrections and additions to `Inverse continuity on the boundary of the numerical range' . . . . . . . . . . . . 100--104 Xiaohui Fu and Yang Liu Rotfel'd inequality for partitioned matrices with numerical ranges in a sector . . . . . . . . . . . . . . . . . 105--109
V. G. Kurbatov and I. V. Kurbatova Computation of a function of a matrix with close eigenvalues by means of the Newton interpolating polynomial . . . . 111--122 Mohsen Kian and S. S. Dragomir $f$-Divergence functional of operator log-convex functions . . . . . . . . . . 123--135 A. Mohammadian Graphs and their real eigenvectors . . . 136--142 Dominik Benkovic Jordan $ \sigma $-derivations of triangular algebras . . . . . . . . . . 143--155 Dijana Ilisevi\'c and Aleksej Turnsek A quantitative version of Herstein's theorem for Jordan *-isomorphisms . . . 156--168 Ahlem Ben Ali Essaleh and Antonio M. Peralta and María Isabel Ramírez Weak-local derivations and homomorphisms on $ C^* $-algebras . . . . . . . . . . 169--186 Piotr Slanina Generalizations of Fibonacci polynomials and free linear groups . . . . . . . . . 187--195 Gholamreza Talebi and Mohammad Ali Dehghan Approximation of upper bound for matrix operators on the Fibonacci weighted sequence spaces . . . . . . . . . . . . 196--207 Chaoqian Li and Qilong Liu and Lei Gao and Yaotang Li Subdirect sums of Nekrasov matrices . . 208--218 Yaroslav Shitov On the max-min and tropical CP-rank conjectures . . . . . . . . . . . . . . 219--220 Tsiu-Kwen Lee Functional identities and Jordan $ \sigma $-derivations . . . . . . . . . . 221--234 G. Coutinho and C. Godsil Perfect state transfer in products and covers of graphs . . . . . . . . . . . . 235--246 Qingping Zeng and Huaijie Zhong and Kai Yan An extension of a result of Djordjevi\'c and its applications . . . . . . . . . . 247--257 Roberto C. Díaz and Ricardo L. Soto Nonnegative inverse elementary divisors problem in the left half plane . . . . . 258--268 Yongxin Yuan and Kezheng Zuo Compute $ \lim_{\lambda \to 0} X(\lambda I_p + Y A X)^{-1} Y $ by the product singular value decomposition . . . . . . 269--278 Sudipta Mallik and Bryan L. Shader On graphs of minimum skew rank $4$ . . . 279--289 C. Boboc and S. Dascalescu and L. van Wyk Jordan isomorphisms of $2$-torsionfree triangular rings . . . . . . . . . . . . 290--296 Xin Li and Xiaochun Fang Indecomposable positive linear maps constructed from permutations . . . . . 297--308 Xiaobin Ma and Dein Wong Automorphism group of an ideal-relation graph over a matrix ring . . . . . . . . 309--320 Shi-Fang Yuan and Qing-Wen Wang L-structured quaternion matrices and quaternion linear matrix equations . . . 321--339
Insa Kremere Left-star order structure of Rickart $ \ast $-rings . . . . . . . . . . . . . . 341--352 B. Cantó and C. Coll and E. Sánchez On the stability and spectral radius of a finite set of matrices . . . . . . . . 353--361 Alexander Guterman and Alicia Herrero and Néstor Thome New matrix partial order based on spectrally orthogonal matrix decomposition . . . . . . . . . . . . . 362--374 Dengyin Wang and Fenglei Tian The signature of $k$-cyclic graphs of $ \infty $-type . . . . . . . . . . . . . 375--382 Lei Liu Characterization of centralizers on nest subalgebras of von Neumann algebras by local action . . . . . . . . . . . . . . 383--392 Huihui Zhu and Jianlong Chen and Pedro Patrício Further results on the inverse along an element in semigroups and rings . . . . 393--403 Haiyan Zhang and Mingzhi Xue Fixed points of trace preserving completely positive maps . . . . . . . . 404--411 Li Chen and Dengyin Wang Nonlinear bijective maps on strictly upper triangular matrices preserving zero product . . . . . . . . . . . . . . 412--425 Ali Taghavi and Hamid Rohi and Vahid Darvish Non-linear $ \ast $-Jordan derivations on von Neumann algebras . . . . . . . . 426--439 Luis Barreira and Claudia Valls Nonuniform exponential stability and admissibility . . . . . . . . . . . . . 440--465 Ali Mohammadian Trees and acyclic matrices over arbitrary fields . . . . . . . . . . . . 466--476 Ya-lin Liao and Xue-ping Wang Note on invertible matrices over commutative semirings . . . . . . . . . 477--483 Antonio Giambruno and Rafael Bezerra dos Santos and Ana Cristina Vieira Identities of *-superalgebras and almost polynomial growth . . . . . . . . . . . 484--501 Shifang Zhang and Lin Zhang and Huaijie Zhong Perturbation of Browder spectrum of upper triangular operator matrices . . . 502--511 Jun Ichi Fujii and Yuki Seo and Takeaki Yamazaki Norm inequalities for matrix geometric means of positive definite matrices . . 512--526 Christian Mehl and Volker Mehrmann and André C. M. Ran and Leiba Rodman Eigenvalue perturbation theory of structured real matrices and their sign characteristics under generic structured rank-one perturbations . . . . . . . . . 527--556 Charles R. Johnson and Carlos M. Saiago Diameter minimal trees . . . . . . . . . 557--571 Anonymous Erratum: Oussa, V. (2015). Dihedral group frames which are maximally robust to erasures, \booktitleLinear and Multilinear Algebra, \bf 63(12), pp. 2494--2510. doi:10.1080/03081087.2015.1020746 . . . 572--572
Lek-Heng Lim and Jiayu Shao and Nung-Sing Sze Preface . . . . . . . . . . . . . . . . 573--573 Randall R. Holmes and Avantha Kodithuwakku Symmetry classes of tensors associated with principal indecomposable characters and Osima idempotents . . . . . . . . . 574--586 Chaoqian Li and Yaotang Li An eigenvalue localization set for tensors with applications to determine the positive (semi-)definiteness of tensors . . . . . . . . . . . . . . . . 587--601 Lu-Bin Cui and Chuan Chen and Wen Li and Michael K. Ng An eigenvalue problem for even order tensors with its applications . . . . . 602--621 Maolin Che and Liqun Qi and Yimin Wei Perturbation bounds of tensor eigenvalue and singular value problems with even order . . . . . . . . . . . . . . . . . 622--652 Jie Meng and Hyun-Min Kim The positive definite solution to a nonlinear matrix equation . . . . . . . 653--666 M. Rajesh Kannan and Naomi Shaked-Monderer and Abraham Berman On weakly irreducible nonnegative tensors and interval hull of some classes of tensors . . . . . . . . . . . 667--679 Harm Derksen Matrix completion and tensor rank . . . 680--685 Lizhu Sun and Baodong Zheng and Changjiang Bu and Yimin Wei Moore--Penrose inverse of tensors via Einstein product . . . . . . . . . . . . 686--698 Michael Gil' Resolvents of operators on tensor products of Euclidean spaces . . . . . . 699--716 Jinting Lau and Ming Huat Lim Linear rank one preservers on tensor products of Hermitian matrices . . . . . 717--726 Chaoqian Li and Jianjun Zhou and Yaotang Li A new Brauer-type eigenvalue localization set for tensors . . . . . . 727--736 Lizhu Sun and Baodong Zheng and Yimin Wei and Changjiang Bu Characterizations of the spectral radius of nonnegative weakly irreducible tensors via a digraph . . . . . . . . . 737--744 Wai Leong Chooi and Kiam Heong Kwa and Jinting Lau A note on classical adjoint commuting linear maps of tensor products of matrices . . . . . . . . . . . . . . . . 745--766 Mingyue Wang and Xian Li and Changqing Xu Positivities of Vandermonde tensors . . 767--779 Jinshan Xie and Liqun Qi Spectral directed hypergraph theory via tensors . . . . . . . . . . . . . . . . 780--794 Shi-Liang Wu and Cui-Xia Li A note on the MSMAOR method for linear complementarity problems . . . . . . . . 795--800
Lin Zhang and Kaifeng Bu and Junde Wu A lower bound on the fidelity between two states in terms of their trace-distance and max-relative entropy 801--806 Fenglei Tian and Dengyin Wang and Min Zhu A characterization of signed planar graphs with rank at most $4$ . . . . . . 807--817 Preeti Mohindru and Rajesh Pereira Orderings on semirings and completely positive matrices . . . . . . . . . . . 818--833 Huihui Zhu and Pedro Patrício and Jianlong Chen and Yulin Zhang The inverse along a product and its applications . . . . . . . . . . . . . . 834--841 Pauliina Ilmonen On meet hypermatrices and their eigenvalues . . . . . . . . . . . . . . 842--855 Xingping Wang and Zhaolin Cheng Infinite products of uniformly paracontracting matrices . . . . . . . . 856--862 Yu Wang Notes on centralizing traces and Lie triple isomorphisms on triangular algebras . . . . . . . . . . . . . . . . 863--869 Tomás Kalvoda and Pavel Stovícek A family of explicitly diagonalizable weighted Hankel matrices generalizing the Hilbert matrix . . . . . . . . . . . 870--884 Xiaoji Liu and Shiqin Fu and Yaoming Yu An invariance property of operator products related to the mixed-type reverse order laws . . . . . . . . . . . 885--896 Gregor Dolinar and Bojan Kuzma Homomorphisms of commutativity relation 897--922 Zejun Huang Weakening the conditions in some classical theorems on linear preserver problems . . . . . . . . . . . . . . . . 923--928 Manjunatha Prasad Karantha and Mohana and P. Divya Shenoy Minus partial order on regular matrices 929--941 Laura Iglésias and Fernando C. Silva Weakly spectrally complete pair of matrices . . . . . . . . . . . . . . . . 942--950 Guan-Lin Zhang A note on positive definite solution of matrix equation $ X + M^* X^{-1} M - N^* X^{-1} N = 1 $ . . . . . . . . . . . . . 951--954 Long Wang Automorphisms of the subgroup-relation graph over the group of unit upper triangular matrices . . . . . . . . . . 955--967 Tianshui Ma and Linlin Liu Rota--Baxter coalgebras and Rota--Baxter bialgebras . . . . . . . . . . . . . . . 968--979 Lin Tie On the existence of complex roots of real polynomials . . . . . . . . . . . . 980--990 Iwao Sato and Hideo Mitsuhashi and Hideaki Morita A generalized Bartholdi zeta function for a general graph . . . . . . . . . . 991--1008 Ahlem Ben Ali Essaleh and Antonio M. Peralta and María Isabel Ramírez Weak-local derivations and homomorphisms on $ C^* $-algebras . . . . . . . . . . 1009--1010
Lili He and Chuanning Song and Qingxiang Xu General exact solutions of certain second-order homogeneous algebraic differential equations . . . . . . . . . 1011--1031 Laiachi El Kaoutit and José Gómez-Torrecillas Hereditary triangular matrix comonads 1032--1055 Clément de Seguins Pazzis Quasi-range-compatible affine maps on large operator spaces . . . . . . . . . 1056--1085 Ivan Kaygorodov and Yury Popov Generalized derivations of (color) $n$-ary algebras . . . . . . . . . . . . 1086--1106 Ya-zhi Song and Xiao-qiu Song and Mingcui Zhang An upper bound for the nullity of a bipartite graph in terms of its maximum degree . . . . . . . . . . . . . . . . . 1107--1112 Mustapha Aouchiche and Pierre Hansen On the distance signless Laplacian of a graph . . . . . . . . . . . . . . . . . 1113--1123 Luis Barreira and Claudia Valls Lyapunov's coefficient of regularity and nonuniform hyperbolicity . . . . . . . . 1124--1144 Xiaofei Qi and Feifei Zhang Multiplicative Jordan *-derivations on rings with involution . . . . . . . . . 1145--1162 Na Kang and Liangyun Chen Uniform posets and Leonard pairs based on unitary spaces over finite fields . . 1163--1184 Marko Kandi\'c On algebras of polynomially compact operators . . . . . . . . . . . . . . . 1185--1196 Li Chen and Fenglei Tian Skew-rank of an oriented graph with edge-disjoint cycles . . . . . . . . . . 1197--1206 D. S. Cvetkovi\'c-Ili\'c and M. Djiki\'c Various solutions to reverse order law problems . . . . . . . . . . . . . . . . 1207--1219 Koenraad M. R. Audenaert and Fumio Hiai Reciprocal Lie--Trotter formula . . . . 1220--1235 Changjiang Bu and Weiqi Gu and Jiang Zhou and Yimin Wei On matrices whose Moore--Penrose inverses are ray unique . . . . . . . . 1236--1243
H. Zariouh and H. Zguitti On pseudo $B$-Weyl operators and generalized Drazin invertibility for operator matrices . . . . . . . . . . . 1245--1257 Seok-Zun Song and LeRoy B. Beasley and Preeti Mohindru and Rajesh Pereira Preservers of completely positive matrix rank . . . . . . . . . . . . . . . . . . 1258--1265 Jovana Nikolov Radenkovi\'c Reverse order law for generalized inverses of multiple operator product 1266--1282 Xiaowei Xu and Yue Pei and Xiaofei Yi Additive maps on invertible matrices . . 1283--1294 Jaeseong Heo The structure of invariant $ \alpha $-CP multilinear maps and associated $J$-representations . . . . . . . . . . 1295--1313 Firouzeh Ashraf On two conjectures on sum of the powers of signless Laplacian eigenvalues of a graph . . . . . . . . . . . . . . . . . 1314--1320 Clément de Seguins Pazzis Primitive spaces of matrices with upper rank two over the field with two elements . . . . . . . . . . . . . . . . 1321--1353 Shujuan Wang and Wende Liu Minimal dimensions of faithful representations for abelian Lie superalgebras . . . . . . . . . . . . . 1354--1361 Zhengge Huang and Zhong Xu and Quan Lu Some new inequalities for the Hadamard product of a nonsingular $M$-matrix and its inverse . . . . . . . . . . . . . . 1362--1378 Luís Felipe Gonçalves Fonseca and Rafael Bezerra dos Santos and Ana Cristina Vieira Characterizations of *-superalgebras of polynomial growth . . . . . . . . . . . 1379--1389 Wen Li and Hua Zheng A preconditioned modulus-based iteration method for solving linear complementarity problems of $H$-matrices 1390--1403 Zhiping Xiong and Yingying Qin A note on the reverse order law for least square $g$-inverse of operator product . . . . . . . . . . . . . . . . 1404--1414 Dinh Trung Hoa and Vo Thi Bich Khue and Hiroyuki Osaka A generalized reverse Cauchy inequality for matrices . . . . . . . . . . . . . . 1415--1423 Mohammad Adm and Jürgen Garloff Intervals of special sign regular matrices . . . . . . . . . . . . . . . . 1424--1444 S. K. Panda and S. Pati On some graphs which possess inverses 1445--1459
Anonymous Erratum: Belardo, F., Pisanski, T. and Simi\'c, S. K. (2015). On graphs whose least eigenvalue is greater than $ - 2 $, \booktitleLinear and Multilinear Algebra, \bf 64(8) 1570--1582. doi:10.1080/03081087.2015.1107020 . . . i--i Jun Zhu and Changping Xiong and Pan Li Characterizations of all-derivable points in $ B(H) $ . . . . . . . . . . . 1461--1473 Aymen Ammar and Bilel Boukettaya and Aref Jeribi A note on the essential pseudospectra and application . . . . . . . . . . . . 1474--1483 Somantika Datta Welch bounds for cross correlation of subspaces and generalizations . . . . . 1484--1497 Janis Cirulis Extending the star order to Rickart rings . . . . . . . . . . . . . . . . . 1498--1508 Yaoping Hou and Yajing Sun Inverse of the distance matrix of a bi-block graph . . . . . . . . . . . . . 1509--1517 Yu Wang Lie superderivations of superalgebras 1518--1526 Kamil Rusek Linearly triangularizable quadratic endomorphisms . . . . . . . . . . . . . 1527--1537 D. Dmitrishin and P. Hagelstein and A. Khamitova and A. Stokolos On the stability of cycles by delayed feedback control . . . . . . . . . . . . 1538--1549 Jin Zhong On upper bounds for the minimum rank of regular classes of $ (0, 1)$-matrices 1550--1561 Mohammad Alakhrass Inequalities related to Heinz mean . . . 1562--1569 Francesco Belardo and Tomaz Pisanski and Slobodan K. Simi\'c On graphs whose least eigenvalue is greater than $ - 2 $ . . . . . . . . . . 1570--1582 Qingmei Bai and Junjie Huang and Alatancang Chen Essential, Weyl and Browder spectra of unbounded upper triangular operator matrices . . . . . . . . . . . . . . . . 1583--1594 Yi-Jia Tan Inner products on semimodules . . . . . 1595--1616 Jun Guo and Fenggao Li Anzahl theorems in geometry of $t$-singular classical groups and their applications . . . . . . . . . . . . . . 1617--1636 Minoru Itoh Twisted immanant and matrices with anticommuting entries . . . . . . . . . 1637--1653 Aref Jeribi and Bilel Krichen and Mohammed Zarai Dhahri Essential spectra of some matrix operators involving $ \gamma $-relatively bounded entries and an application . . . . . . . . . . . . . . 1654--1668 Damjana Kokol Bukovsek and Blaz Mojskerc Jordan triple product homomorphisms on Hermitian matrices to and from dimension one . . . . . . . . . . . . . . . . . . 1669--1678
Lei Liu $2$-Local Lie derivations on semi-finite factor von Neumann algebras . . . . . . 1679--1686 Mojtaba Bakherad Refinements of a reversed AM-GM operator inequality . . . . . . . . . . . . . . . 1687--1695 Mahmut Uç and Tu\ugba Petik and Halim Özdemir The generalized quadraticity of linear combinations of two commuting quadratic matrices . . . . . . . . . . . . . . . . 1696--1715 Roksana Slowik Continuous maps on triangular matrices that preserve commutativity . . . . . . 1716--1730 P. Jiménez-Rodríguez and G. A. Muñoz-Fernández and M. Murillo-Arcila and J. B. Seoane-Sepúlveda Sharp values for the constants in the polynomial Bohnenblust--Hille inequality 1731--1749 Yingtong Chen and Jigen Peng Influences of preconditioning on the mutual coherence and the restricted isometry property of Gaussian/Bernoulli measurement matrices . . . . . . . . . . 1750--1759 Roksana Slowik Sums of square-zero infinite matrices 1760--1768 S. Akbari and M. Ariannejad and Z. Tajfirouz Permanents of matrices over roots of unity . . . . . . . . . . . . . . . . . 1769--1775 Xavier Mary and Pedro Patrício The group inverse of a product . . . . . 1776--1784 Francesco Belardo and Pawel Petecki and Jianfeng Wang On signed graphs whose second largest Laplacian eigenvalue does not exceed $3$ 1785--1799 S. S. Dragomir Some trace inequalities of \vCeby\vsev type for functions of operators in Hilbert spaces . . . . . . . . . . . . . 1800--1813 M. Burgos and A. C. Márquez-García and A. Morales-Campoy Minus partial order and linear preservers . . . . . . . . . . . . . . . 1814--1832 Zhenhua Gu and Zhe-Xian Wan and Kai Zhou Automorphisms of subconstituents of unitary graphs over finite fields . . . 1833--1852 Jonathan Dorsey and Tom Gannon and Nathaniel Jacobson and Charles R. Johnson and Morrison Turnansky Linear preservers of semi-positive matrices . . . . . . . . . . . . . . . . 1853--1862 Mushtaq A. Bhat and S. Pirzada Spectra and energy of bipartite signed digraphs . . . . . . . . . . . . . . . . 1863--1877 Xiangqian Guo and Fengdan Hou and Xuewen Liu Natural density of integral matrices that can be extended to invertible integral matrices . . . . . . . . . . . 1878--1886 Rundan Xing and Bo Zhou On the second largest distance eigenvalue . . . . . . . . . . . . . . . 1887--1898
Bangyan Wang and Shaofang Hong and Mao Li Hyperdeterminants on meet-semilattices 1899--1915 A. Facchini and A. Leroy Elementary matrices and products of idempotents . . . . . . . . . . . . . . 1916--1935 Manfred Dugas and Bradley Wagner Finitary incidence algebras and idealizations . . . . . . . . . . . . . 1936--1951 Yu Wang Biderivations of triangular rings . . . 1952--1959 Xue-Zhong Wang and Hai-feng Ma and Jovana Nikolov Radenkovi\'c A note on the perturbation bounds of $W$-weighted Drazin inverse . . . . . . 1960--1971 John C. Urschel and Ludmil T. Zikatanov On the maximal error of spectral approximation of graph bisection . . . . 1972--1979 O. P. Salazar-Díaz and R. Velásquez and L. A. Wills-Toro Construction of dialgebras through bimodules over algebras . . . . . . . . 1980--2001 P. N. Ánh and G. F. Birkenmeier and L. van Wyk Idempotents and structures of rings . . 2002--2029 Qianrong Tan and Zongbing Lin and Long Chen Divisibility among power matrices associated with arithmetic functions on finitely many quasi-coprime divisor chains . . . . . . . . . . . . . . . . . 2030--2048 Michiel de Bondt Mathieu subspaces of codimension less than $n$ of $ {\rm Mat}_n(K)$ . . . . . 2049--2067 Yueqing Wang and Ning Zuo and Hongke Du Characterizations of the support function of the numerical range of the product of positive contractions . . . . 2068--2080 Shujuan Wang and Wende Liu The abelian subalgebras of maximal dimensions for general linear Lie superalgebras . . . . . . . . . . . . . 2081--2089 Fangjuan Zhang Nonlinear skew Jordan derivable maps on factor von Neumann algebras . . . . . . 2090--2103 Mykola Khrypchenko Jordan derivations of finitary incidence rings . . . . . . . . . . . . . . . . . 2104--2118
Saroj B. Malik and Laura Rueda and Néstor Thome The class of $m$--EP and $m$-normal matrices . . . . . . . . . . . . . . . . 2119--2132 F. O. Farid and Zhuo-Heng He and Qing-Wen Wang The consistency and the exact solutions to a system of matrix equations . . . . 2133--2158 Meili Wang and Guoxing Ji Maps preserving $ \ast $-Lie product on factor von Neumann algebras . . . . . . 2159--2168 Aleksej Turnsek Circular two-sided multiplications . . . 2169--2176 Ji-Ming Guo and Jianxi Li and Wai Chee Shiu Effects on the normalized Laplacian spectral radius of non-bipartite graphs under perturbation and their applications . . . . . . . . . . . . . . 2177--2187 Kil-Chan Ha and Seung-Hyeok Kye Construction of exposed indecomposable positive linear maps between matrix algebras . . . . . . . . . . . . . . . . 2188--2198 Matej Bresar Jordan $ \{ g, h \} $-derivations on tensor products of algebras . . . . . . 2199--2207 Emrah Evren Kara and Merve Ilkhan Some properties of generalized Fibonacci sequence spaces . . . . . . . . . . . . 2208--2223 Antonio Pasini Equations for polar Grassmannians . . . 2224--2240 Doohann Lee and Youngkwon Song Extension of algebras and its applications to the real Clifford algebras . . . . . . . . . . . . . . . . 2241--2251 Binlong Li and Bo Ning Spectral analogues of Erd\Hos' and Moon--Moser's theorems on Hamilton cycles . . . . . . . . . . . . . . . . . 2252--2269 L. Golinskii Spectra of infinite graphs with tails 2270--2296 Stavros G. Stavrou and Richard M. Low and Nicholas J. Hernandez Rank classification of $ 2 \times 2 \times 2 \times 2 \times 2 $ tensors over $ \mathbb {F}_2 $ . . . . . . . . . 2297--2312 Lei Cao and Selcuk Koyuncu and Timmothy Parmer A minimal completion of doubly substochastic matrix . . . . . . . . . . 2313--2334 Marko S. Djiki\'c Extensions of the Fill--Fishkind formula and the infimum--parallel sum relation 2335--2349
Yongge Tian and Bo Jiang An algebraic study of BLUPs under two linear random-effects models with correlated covariance matrices . . . . . 2351--2367 LeRoy B. Beasley and Seok-Zun Song Zero-term rank and zero-star cover number of symmetric matrices and their linear preservers . . . . . . . . . . . 2368--2377 John Leventides and Nicos Karcanias Approximate decomposability in and the canonical decomposition of $3$-vectors 2378--2405 Etienne Blanchard and Ilja Gogi\'c On unital \boldmath $ C(X) $-algebras and \boldmath $ C(X) $-valued conditional expectations of finite index 2406--2418 Gholamreza Aghamollaei and Narges Haj Aboutalebi and Hossein Momenaee Kermani Some results on the $k$-numerical range of quaternion matrices . . . . . . . . . 2419--2430 Ibrahim Halil Gumus and Omar Hirzallah and Fuad Kittaneh Estimates for the real and imaginary parts of the eigenvalues of matrices and applications . . . . . . . . . . . . . . 2431--2445 Juan Yu and Shu-qian Shen Solvability of systems of linear matrix equations subject to a matrix inequality 2446--2462 Rajinder Pal and Mandeep Singh and Mohammad Sal Moslehian and Jaspal Singh Aujla A new class of operator monotone functions via operator means . . . . . . 2463--2473 Xiaoling Ma and Qiongxiang Huang Signless Laplacian spectral characterization of $4$-rose graphs . . 2474--2485 M. Ariannejad A graph theoretical equivalence for Amitsur--Levitzki theorem . . . . . . . 2486--2490 Mohammad Reza Oboudi Cospectrality of complete bipartite graphs . . . . . . . . . . . . . . . . . 2491--2497 Jan Draisma and Emil Horobet The average number of critical rank-one approximations to a tensor . . . . . . . 2498--2518 Martin Bohata and Jan Hamhalter Star order on operator and function algebras and its nonlinear preservers 2519--2532 R. Doostaki Convergence rate of GMRES on tridiagonal block Toeplitz linear systems . . . . . 2533--2544 Anonymous Editorial Board . . . . . . . . . . . . ebi--ebi
N. Bebiano and J. da Providência and A. Nata and J. P. da Providência Generalized Rayleigh quotients and generating vectors . . . . . . . . . . . 1--23 W. Holubowski and A. V. Stepanov Bijections preserving commutators and automorphisms of unitriangular groups 24--34 Dragana S. Cvetkovi\'c-Ili\'c and Vladimir Pavlovi\'c On the point and residual spectrum of the operator matrix $ M_X $ . . . . . . 35--43 Dusan Repovs and Mikhail Zaicev Identities of graded simple algebras . . 44--57 Guangzhe Fan and Xiansheng Dai Super-biderivations of Lie superalgebras 58--66 Simion Breaz and Grigore Calugareanu Sums of nilpotent matrices . . . . . . . 67--78 Sara Madariaga and José M. Pérez-Izquierdo Linear representations of formal loops 79--112 Lihua You and Yujie Shu and Pingzhi Yuan Sharp upper and lower bounds for the spectral radius of a nonnegative irreducible matrix and its applications 113--128 LeRoy B. Beasley and Seok-Zun Song Primitive symmetric matrices and their preservers . . . . . . . . . . . . . . . 129--139 Rajaiah Dasari and Rajkumar L. P. and Malla Reddy Perati Steady state probability vector of positive definite regularized linear systems of circulant stochastic matrices 140--155 Antonio J. Calderón Martín and Francisco J. Navarro Izquierdo and José M. Sánchez Delgado Modules over linear spaces admitting a multiplicative basis . . . . . . . . . . 156--165 Huihui Zhu and Jianlong Chen and Pedro Patrício Reverse order law for the inverse along an element . . . . . . . . . . . . . . . 166--177 Jia-Bao Liu and Xiang-Feng Pan and Fu-Tao Hu The 1-inverse of the Laplacian of subdivision-vertex and subdivision-edge coronae with applications . . . . . . . 178--191 Janis Cirulis The diamond partial order for strong Rickart rings . . . . . . . . . . . . . 192--203 M. Aaghabali and S. Akbari and Z. Tajfirouz Order of the largest Sachs subgraphs in graphs . . . . . . . . . . . . . . . . . 204--209
M. Hladík Transformations of interval linear systems of equations and inequalities 211--223 Qiannan Zhou and Ligong Wang Some sufficient spectral conditions on Hamilton-connected and traceable graphs 224--234 Yan Wang and Bo Hou and Suogang Gao Totally almost bipartite Leonard pairs and Leonard triples of $q$-Racah type 235--255 Zhaolin Jiang and Tin-Yau Tam and Yanfeng Wang Inversion of conjugate-Toeplitz matrices and conjugate-Hankel matrices . . . . . 256--268 Feng Wang and Deshu Sun and Jianxing Zhao and Chaoqian Li New practical criteria for H-tensors and its application . . . . . . . . . . . . 269--283 Julio Benítez and Enrico Boasso The inverse along an element in rings with an involution, Banach algebras and $ C^\star $-algebras . . . . . . . . . . 284--299 Cheng-Kai Liu An Engel condition with $b$-generalized derivations . . . . . . . . . . . . . . 300--312 Yan-an Cai and Qiufan Chen Quasi-Whittaker modules over the conformal Galilei algebras . . . . . . . 313--324 Mehmet Gumus and Jianhong Xu Some new results related to $ \alpha $-stability . . . . . . . . . . . . . . 325--340 Murray R. Bremner One-parameter deformations of the diassociative and dendriform operads . . 341--350 Gerg\Ho Nagy Determinant preserving maps: an infinite dimensional version of a theorem of Frobenius . . . . . . . . . . . . . . . 351--360 Antonio M. Peralta Orthogonal forms and orthogonality preservers on real function algebras revisited . . . . . . . . . . . . . . . 361--374 José Andrés Armario On the Smith normal form of skew $E$--$W$ matrices . . . . . . . . . . . 375--380 Lj. Arambasi\'c and D. Baki\'c Frames and outer frames for Hilbert-modules . . . . . . . . . . . . 381--431
Minghua Lin and Fangfang Sun A property of the geometric mean of accretive operators . . . . . . . . . . 433--437 Xue-Feng Wang Total least squares problem with the arbitrary unitarily invariant norms . . 438--456 Yun Shen and Lihua You and Minjie Zhang and Shuchao Li On a conjecture for the signless Laplacian spectral radius of cacti with given matching number . . . . . . . . . 457--474 Willian Franca Weakly commuting maps on the set of rank-$1$ matrices . . . . . . . . . . . 475--495 Priyanka Grover Orthogonality of matrices in the Ky Fan $k$-norms . . . . . . . . . . . . . . . 496--509 Cui-Xia Li and Shi-Liang Wu Improved convergence theorems for new Hermitian and skew-Hermitian splitting methods . . . . . . . . . . . . . . . . 510--513 S. S. Dragomir A Buzano type inequality for two Hermitian forms and applications . . . . 514--525 L. S. de Lima and A. Mohammadian and C. S. Oliveira The non-bipartite graphs with all but two eigenvalues in $ [ - 1, 1] $ . . . . 526--544 E. Herawati and Supama and M. Mursaleen Local structure of Riesz valued sequence spaces defined by an order $ \Phi $-function . . . . . . . . . . . . . . . 545--554 Xiaobo Zhang and Xuxu Fang and Chuanning Song and Qingxiang Xu Representations and norm estimations for the Moore--Penrose inverse of multiplicative perturbations of matrices 555--571 Jinming Zhou and Dein Wong and Xiaobin Ma Automorphism group of the total graph over a matrix ring . . . . . . . . . . . 572--581 Haiyan Chen and Liwen Liao The normalized Laplacian spectra of the corona and edge corona of two graphs . . 582--592 Jun Guo and Qiuli Xu The Erd\Hos--Ko--Rado theorem for finite affine spaces . . . . . . . . . . . . . 593--599 Jun Zhu and Pan Li Local multivariate majorization preserving linear mappings . . . . . . . 600--612 Tengfei Li and Chunyuan Deng On the invertibility and range closedness of the linear combinations of a pair of projections . . . . . . . . . 613--622 Hongwei Jin The location of $H$-eigenvalues of real even order symmetry tensors . . . . . . 623--634 W. J. Zhang and A. M. Yu On the rank of weighted graphs . . . . . 635--652
Lei Cao and Selcuk Koyuncu Sub-defect of product of doubly substochastic matrices . . . . . . . . . 653--657 E. Kokabifar and G. B. Loghmani and P. J. Psarrakos and S. M. Karbassi On the distance from a matrix polynomial to matrix polynomials with $k$ prescribed distinct eigenvalues . . . . 658--676 Edoardo Ballico and Alessandra Bernardi A uniqueness result on the decompositions of a bi-homogeneous polynomial . . . . . . . . . . . . . . . 677--698 Aiping Deng and Alexander Kelmans Laplacian spectra of digraph transformations . . . . . . . . . . . . 699--730 Lili Ma and Liangyun Chen On $ \delta $-Jordan Lie triple systems 731--751 Lucio Centrone and Manuela da Silva Souza On the growth of graded polynomial identities of $ \mathfrak {sl}_n $ . . . 752--767 P. Rueda and E. A. Sánchez-Pérez and A. Tallab Traced tensor norms and multiple summing multilinear operators . . . . . . . . . 768--786 Clément de Seguins Pazzis A note on sums of three square-zero matrices . . . . . . . . . . . . . . . . 787--805 Xiaowei Xu and Hanchao Liu Additive maps on rank-$s$ matrices . . . 806--812 Titus Hilberdink Singular values of multiplicative Toeplitz matrices . . . . . . . . . . . 813--829 Wai Chee Shiu and Peng Huang and Pak Kiu Sun The signless Laplacian spectral radius of $k$-connected irregular graphs . . . 830--839 Simone Fiori and Stilian Prifti Exact low-order polynomial expressions to compute the Kolmogoroff--Nagumo mean in the affine symplectic group of optical transference matrices . . . . . 840--856 Enide Andrade and Domingos M. Cardoso and Luis Medina and Oscar Rojo Bethe graphs attached to the vertices of a connected graph --- a spectral approach . . . . . . . . . . . . . . . . 857--868
Muhuo Liu and Kinkar Ch. Das and Hong-Jian Lai The (signless) Laplacian spectral radii of $c$-cyclic graphs with $n$ vertices, girth $g$ and $k$ pendant vertices . . . 869--881 Gaohua Tang and Yiqiang Zhou An embedding theorem on triangular matrix rings . . . . . . . . . . . . . . 882--890 J. Culp and K. Pearson and T. Zhang On the uniqueness of the $ Z_1 $-eigenvector of transition probability tensors . . . . . . . . . . . . . . . . 891--896 Kavita Bisht and K. C. Sivakumar Inheritance and inverse monotonicity properties of copositive matrices . . . 897--908 Sinan Ercan and Çigdem A. Bektas Some topological and geometric properties of a new BK-space derived by using regular matrix of Fibonacci numbers . . . . . . . . . . . . . . . . 909--921 Mohammad Al-khlyleh and Fuad Kittaneh Interpolating inequalities related to a recent result of Audenaert . . . . . . . 922--929 Gustavo Araújo and Daniel Pellegrino Optimal estimates for summing multilinear operators . . . . . . . . . 930--942 I. Paniello Backwards genetic inheritance through coalgebra-graphs . . . . . . . . . . . . 943--961 Arpita Das and Pratima Panigrahi Normalized Laplacian spectrum of some subdivision-coronas of two regular graphs . . . . . . . . . . . . . . . . . 962--972 A. Antony Selvan and R. Radha Invertibility of a tridiagonal operator with an application to a non-uniform sampling problem . . . . . . . . . . . . 973--990 Jinming Zhou and Dein Wong and Xiaobin Ma Automorphisms of the zero-divisor graph of the full matrix ring . . . . . . . . 991--1002 Z. Mehranian and A. Gholami and A. R. Ashrafi The Spectra of power graphs of certain finite groups . . . . . . . . . . . . . 1003--1010 Ruifang Liu and Jie Xue and Litao Guo On the second largest distance eigenvalue of a graph . . . . . . . . . 1011--1021 Bo Hou Lie derivation and Hochschild cohomology of an extension of path algebras . . . . 1022--1034 Xuchen Han and Charles R. Johnson and Pietro Paparella The critical exponent for generalized doubly nonnegative matrices . . . . . . 1035--1044 Fenglei Tian and Dein Wong Generators of the automorphism group of a regular graph over a ring . . . . . . 1045--1052 R. Alizadeh and F. Shakeri Linear maps preserving Pareto eigenvalues . . . . . . . . . . . . . . 1053--1061 Mitra Shamsabadi and Ali Akbar Arefijamaal The invertibility of fusion frame multipliers . . . . . . . . . . . . . . 1062--1072
David Blázquez-Sanz and Carlos Alberto Marín Arango Closed and asymptotic formulas for energy of some circulant graphs . . . . 1073--1079 Predrag S. Stanimirovi\'c and Vasilios N. Katsikis and Haifeng Ma Representations and properties of the $W$-Weighted Drazin inverse . . . . . . 1080--1096 Dumitru Popa Dominated $n$-linear operators with respect to a system of $n$ bounded linear operators . . . . . . . . . . . . 1097--1107 Abdellatif Bourhim and Mohamed Mabrouk Numerical radius and product of elements in $ C^* $-algebras . . . . . . . . . . 1108--1116 Ravindra B. Bapat and Masoud Karimi Smith normal form of some distance matrices . . . . . . . . . . . . . . . . 1117--1130 Jun Liao and Heguo Liu and Zuohui Wu and Huan Xiong Kernels for certain kinds of linear transformations . . . . . . . . . . . . 1131--1141 Ivan Kaygorodov Algebras of Jordan brackets and generalized Poisson algebras . . . . . . 1142--1157 Xiuhai Fei and Jianhua Zhang Nonlinear generalized Lie derivations on triangular algebras . . . . . . . . . . 1158--1170 Snezana C. Zivkovi\'c-Zlatanovi\'c and Milos D. Cvetkovi\'c Generalized Kato--Riesz decomposition and generalized Drazin--Riesz invertible operators . . . . . . . . . . . . . . . 1171--1193 Huajun Huang and Luke Oeding Symmetrization of principal minors and cycle-sums . . . . . . . . . . . . . . . 1194--1219 Chaoqian Li and Ruidan Ma and Qilong Liu and Yaotang Li Subdirect sums of weakly chained diagonally dominant matrices . . . . . . 1220--1231 Geraldo Botelho and Ewerton R. Torres Techniques to generate hyper-ideals of multilinear operators . . . . . . . . . 1232--1246 Wei Li and Joshua Cooper and An Chang Analytic connectivity of $k$-uniform hypergraphs . . . . . . . . . . . . . . 1247--1259 Jaewoong Kim and Jasang Yoon Properties of mono-weakly hyponormal $2$-variable weighted shifts . . . . . . 1260--1275 Angsuman Das Non-zero component union graph of a finite-dimensional vector space . . . . 1276--1287
Alwin Stegeman and Shmuel Friedland On best rank-$2$ and rank-$ (2, 2, 2)$ approximations of order-$3$ tensors . . 1289--1310 Ali Bayati Eshkaftaki Generalized Kakutani's conjecture for doubly stochastic operators . . . . . . 1311--1315 M. Ladra and U. A. Rozikov Algebras of cubic matrices . . . . . . . 1316--1328 Jingjing Cui and Guohua Peng and Quan Lu and Zhengge Huang The new improved estimates of the dominant degree and disc theorem for the Schur complement of matrices . . . . . . 1329--1348 Xiunan Wang and Chunyuan Deng Properties of $m$-EP operators . . . . . 1349--1361 Roksana Slowik Every infinite triangular matrix is similar to a generalized infinite Jordan matrix . . . . . . . . . . . . . . . . . 1362--1373 Xiuhong Sun and Yuan Li Extension properties of some completely positive maps . . . . . . . . . . . . . 1374--1385 Ali Dadkhah and Mohammad Sal Moslehian Grüss type inequalities for positive linear maps on $ C^* $-algebras . . . . 1386--1401 Hongwei Jin and M. Rajesh Kannan and Minru Bai Lower and upper bounds for $H$-eigenvalues of even order real symmetric tensors . . . . . . . . . . . 1402--1416 C. R. Johnson and C. Marijuán and M. Pisonero Symmetric nonnegative realizability via partitioned majorization . . . . . . . . 1417--1426 Long Wang and Xiaobin Ma Characterization of sub-long graphs of arbitrary rank . . . . . . . . . . . . . 1427--1445 Anil Khairnar and B. N. Waphare Order properties of generalized projections . . . . . . . . . . . . . . 1446--1461 Qian-yu Shu and Xue-ping Wang The applications of the bideterminant of a matrix over commutative semirings . . 1462--1478 Johanns de Andrade Bezerra A note on the product of two matrices of index one . . . . . . . . . . . . . . . 1479--1492 Ehsan Anjidani On operator inequalities of Jensen type for convex functions . . . . . . . . . . 1493--1502
D. Boularas and Z. Bouzar Symplectic invariants and covariants of matrices . . . . . . . . . . . . . . . . 1503--1528 Marie-Anne Guerry Necessary embedding conditions for state-wise monotone Markov chains . . . 1529--1539 Hanyu Li and Peng Lv New perturbation bounds and condition numbers for the hyperbolic $ Q R $ factorization . . . . . . . . . . . . . 1540--1553 Hongying Lin and Bo Zhou On sharp bounds for spectral radius of nonnegative matrices . . . . . . . . . . 1554--1565 Debasisha Mishra Further study of alternating iterations for rectangular matrices . . . . . . . . 1566--1580 Xavier Martínez-Rivera Classification of families of pr- and epr-sequences . . . . . . . . . . . . . 1581--1599 M. H. M. Rashid Quasinormality and Fuglede--Putnam theorem for $ (s, p) - w$-hyponormal operators . . . . . . . . . . . . . . . 1600--1616 Sasmita Barik and Gopinath Sahoo On the distance spectra of coronas . . . 1617--1628 Thomas K. Huckle and Christos D. Kravvaritis Properties of submatrices of Sylvester Hadamard matrices . . . . . . . . . . . 1629--1642 Jing Cai and Jianlong Chen Iterative solutions of generalized inverse eigenvalue problem for partially bisymmetric matrices . . . . . . . . . . 1643--1654 Shaowu Huang and Qing-Wen Wang and Yaoming Yu A note on Rotfel'd Theorem in a sector 1655--1661 Ratikanta Behera and Debasisha Mishra Further results on generalized inverses of tensors via the Einstein product . . 1662--1682 Murray R. Bremner and Juana Sánchez-Ortega Quadratic nonsymmetric quaternary operads . . . . . . . . . . . . . . . . 1683--1703
Jiao-fen Li and Tao Li and Wen Li and Yan-mei Chen and Ru Huang Solvability of matrix equations $ A X = B $, $ X C = D $, under semi-tensor product . . . . . . . . . . . . . . . . 1705--1733 Chang-Pao Chen and Dah-Chin Luor The weighted norm inequalities of integral operators with special types of kernels . . . . . . . . . . . . . . . . 1734--1742 Salman Ahmadi-Asl and Fatemeh Panjeh Ali Beik An efficient iterative algorithm for quaternionic least-squares problems over the generalized -(anti-)bi-Hermitian matrices . . . . . . . . . . . . . . . . 1743--1769 Michael P. Drazin Bicommuting properties of generalized inverses . . . . . . . . . . . . . . . . 1770--1780 A. J. Calderon Martin and A. S. Hegazi and Hani Abdelwahab A characterization of the semisimplity of Lie-type algebras through the existence of certain linear bases . . . 1781--1792 Xuewen Liu and Xiangqian Guo and Dongping Bian A note on the left-symmetric algebraic structures of the Witt algebra . . . . . 1793--1804 Xiaozhe Hu and John C. Urschel and Ludmil T. Zikatanov On the approximation of Laplacian eigenvalues in graph disaggregation . . 1805--1822 Ángeles Carmona and Margarida Mitjana and Enric Monsó Effective resistances and Kirchhoff index in subdivision networks . . . . . 1823--1837 Saroj Aryal and Hayoung Choi and Farhad Jafari Hamburger moment sequences and their moment subsequences . . . . . . . . . . 1838--1851 João Lita da Silva On the characteristic polynomial, eigenvectors and determinant of heptadiagonal matrices . . . . . . . . . 1852--1866 Yongxin Yuan and Wenhua Zhao and Hao Liu Least squares Toeplitz matrix solutions of the matrix equation . . . . . . . . . 1867--1877 Evgenii L. Bashkirov On matrix Lie rings over an associative commutative ring with 1 that contain the special orthogonal Lie ring . . . . . . 1878--1893 Ze-Jia Xie and Xiao-Qing Jin and Yi-Min Wei A fast algorithm for solving circulant tensor systems . . . . . . . . . . . . . 1894--1904 Chenghua Gao and Ruyun Ma and Fei Zhang Spectrum of discrete left definite Sturm--Liouville problems with eigenparameter-dependent boundary conditions . . . . . . . . . . . . . . . 1905--1923
Steve Kirkland and Chi-Kwong Li Preface to the Marcus Issue . . . . . . 1925--1926 Russell Merris Marvin Marcus --- The Man and His Legacy 1927--1933 Shi-Cai Gong On the rank of a real skew symmetric matrix described by an oriented graph 1934--1946 Shaowu Huang and Chi-Kwong Li and Yiu-Tung Poon and Qing-Wen Wang Inequalities on generalized matrix functions . . . . . . . . . . . . . . . 1947--1961 Wai-Shun Cheung New pairs of matrices with convex generalized numerical ranges . . . . . . 1962--1970 Rafael Bru and Maria T. Gassó and Isabel Giménez and Máximo Santana Diagonal entries of the combined matrix of a totally negative matrix . . . . . . 1971--1984 Dragomir Z. \Dbarokovi\'c Generalization of Scarpis' theorem on Hadamard matrices . . . . . . . . . . . 1985--1987 Hwa-Long Gau and Pei Yuan Wu Operators with real parts at least . . . 1988--1999 LeRoy B. Beasley and Seok-Zun Song Symmetric Arctic ranks of nonnegative matrices and their linear preservers . . 2000--2010 Edward Poon Continuous multiplicative maps of Toeplitz algebras . . . . . . . . . . . 2011--2023 Minghua Lin and Fuzhen Zhang An extension of Harnack type determinantal inequality . . . . . . . . 2024--2030 J. E. Castillo and R. D. Grone Using Kronecker products to construct mimetic gradients . . . . . . . . . . . 2031--2045 Nair Abreu and Eliseu Fritscher and Claudia Justel and Steve Kirkland On the characteristic set, centroid, and centre for a tree . . . . . . . . . . . 2046--2063 Zhongshan Li and Fuzhen Zhang and Xiao-Dong Zhang On the number of vertices of the stochastic tensor polytope . . . . . . . 2064--2075 Thomas H. Pate Subspace filters and polar bases for spaces of symmetric multilinear functions . . . . . . . . . . . . . . . 2076--2100 Yongge Tian Upper and lower bounds for the rank of the matrix-valued function when $X$ has a fixed rank . . . . . . . . . . . . . . 2101--2113 Peter Berkics On parallel sum of matrices . . . . . . 2114--2123 Charles R. Johnson and Pietro Paparella Row cones, Perron similarities, and nonnegative spectra . . . . . . . . . . 2124--2130 Mao-Ting Chien and Jianzhen Liu and Hiroshi Nakazato and Tin-Yau Tam Toeplitz matrices are unitarily similar to symmetric matrices . . . . . . . . . 2131--2144 Jun-Tong Liu and Yiu-Tung Poon and Qing-Wen Wang A generalized Hölder type eigenvalue inequality . . . . . . . . . . . . . . . 2145--2151 Anonymous Corrigendum . . . . . . . . . . . . . . 2152--2152
Xiaofei Qi and Jinchuan Hou Strong $3$-commutativity preserving maps on prime rings . . . . . . . . . . . . . 2153--2169 Mehtab Khan and Rashid Farooq and Juan Rada Complex adjacency matrix and energy of digraphs . . . . . . . . . . . . . . . . 2170--2186 Tamara Koledin and Zoran Stani\'c Connected signed graphs of fixed order, size, and number of negative edges with maximal index . . . . . . . . . . . . . 2187--2198 Yazhou Han Submajorization and $p$-norm inequalities associated with $ \tau $-measurable operators . . . . . . . . . 2199--2211 N. Kishore Kumar and J. Schneider Literature survey on low rank approximation of matrices . . . . . . . 2212--2244 Hiranmoy Pal and Bikash Bhattacharjya Perfect state transfer on gcd-graphs . . 2245--2256 Gholamreza Talebi Operator norms of four-dimensional Hausdorff matrices on the double Euler sequence spaces . . . . . . . . . . . . 2257--2267 Yi-Fen Ke and Chang-Feng Ma Alternating direction methods for solving a class of Sylvester-like matrix equations . . . . . . . . . . . . . . . 2268--2292 \L. Smaga E-optimal and highly E-efficient designs with (mod 4) correlated observations . . 2293--2305 Yunkun Chen and Yimin Wei Numerical radius for the asymptotic stability of delay differential equations . . . . . . . . . . . . . . . 2306--2315 Qiannan Zhou and Ligong Wang Distance signless Laplacian spectral radius and Hamiltonian properties of graphs . . . . . . . . . . . . . . . . . 2316--2323 Long Wang Nonlinear mappings on full matrices derivable at zero point . . . . . . . . 2324--2332 Michael Gil' A sharp bound for the Frobenius norm of self-commutators of matrices . . . . . . 2333--2339 Frantisek Marko and Alexandr N. Zubkov Minimal degrees of invariants of (super)groups --- a connection to cryptology . . . . . . . . . . . . . . . 2340--2355 V. Kozyakin Minimax theorem for the spectral radius of the product of non-negative matrices 2356--2365
S. ter Horst and E. M. Klem Graphs with sparsity order at most two: the complex case . . . . . . . . . . . . 2367--2386 Enide Andrade and Geir Dahl Combinatorial Perron values of trees and bottleneck matrices . . . . . . . . . . 2387--2405 Fatemeh Panjeh Ali Beik and Davod Khojasteh Salkuyeh A cyclic iterative approach and its modified version to solve coupled Sylvester-transpose matrix equations . . 2406--2423 Sara D. Cardell and Joan-Josep Climent A construction of primitive polynomials over finite fields . . . . . . . . . . . 2424--2431 S. Mahmoud Manjegani On Young and Heinz inequalities for faithful tracial states . . . . . . . . 2432--2456 Elina Robeva and Anna Seigal Singular vectors of orthogonally decomposable tensors . . . . . . . . . . 2457--2471 Iwona Skalna Strong regularity of parametric interval matrices . . . . . . . . . . . . . . . . 2472--2482 Xiao Cheng and Minjing Wang and Jiancai Sun and Honglian Zhang Biderivations and linear commuting maps on the Lie algebra . . . . . . . . . . . 2483--2493 Yan-Quan Feng and Rong-Xia Hao and Jin-Xin Zhou On computing of a conditional edge connectivity of alternating group network . . . . . . . . . . . . . . . . 2494--2507 Arash Ghaani Farashahi Theoretical frame properties of wave-packet matrices over prime fields 2508--2529 Chaoqun Chen and Fangyan Lu Maps that preserve higher-dimensional numerical ranges with operator Jordan products . . . . . . . . . . . . . . . . 2530--2537 Huiqiu Lin and Dan Li and Kinkar Ch. Das Distance between distance spectra of graphs . . . . . . . . . . . . . . . . . 2538--2550 Anupam Das and Bipan Hazarika Some new Fibonacci difference spaces of non-absolute type and compact operators 2551--2573
Farrukh Mukhamedov and Ahmad Fadillah Embong On stable $b$-bistochastic quadratic stochastic operators and associated non-homogeneous Markov chains . . . . . 1--21 Yongge Tian How to establish exact formulas for calculating the max--min ranks of products of two matrices and their generalized inverses . . . . . . . . . . 22--73 Zhuo-Heng He and Qing-Wen Wang and Yang Zhang The complete equivalence canonical form of four matrices over an arbitrary division ring . . . . . . . . . . . . . 74--95 Christian Rau On Procrustes matching of non-negative matrices and an application to random tomography . . . . . . . . . . . . . . . 96--106 Yi-Jia Tan Dedekind's linear independence theorem over commutative semirings . . . . . . . 107--116 Haiyan Chen Hitting times for random walks on subdivision and triangulation graphs . . 117--130 Xiansheng Dai and Jianzhi Han Loop Virasoro Lie conformal superalgebra 131--146 Predrag S. Stanimirovi\'c and Vasilios N. Katsikis and Dimitrios Pappas Computation of $ \{ 2, 4 \} $ and $ \{ 2, 3 \} $-inverses based on rank-one updates . . . . . . . . . . . . . . . . 147--166 Kavita Bisht and K. C. Sivakumar Vanishing pseudo-Schur complements, reverse order laws, absorption laws and inheritance properties . . . . . . . . . 167--183 Michael P. Drazin Subclasses of $ (b, c)$-inverses . . . . 184--192 Mitsuhiro Miyazaki and Toshio Sumi and Toshio Sakata Typical ranks of certain $3$-tensors and absolutely full column rank tensors . . 193--205 Hongxing Wang and Xiaoji Liu A partial order on the set of complex matrices with index one . . . . . . . . 206--216
Ali Taghavi and Roja Hosseinzadeh Mappings on $ C* $-algebras preserving the sum of absolute values . . . . . . . 217--223 Haixian Chen and Jizhu Nan and Ying Wang Coinvariants and invariants of the dihedral group in characteristic . . . . 224--242 Ismail Nikoufar and Moosa Shamohammadi The converse of the Loewner--Heinz inequality via perspective . . . . . . . 243--249 Xiaomin Tang Biderivations of finite-dimensional complex simple Lie algebras . . . . . . 250--259 D. S. Cvetkovi\'c-Ili\'c and V. Pavlovi\'c Drazin invertibility of upper triangular operator matrices . . . . . . . . . . . 260--267 S. S. Dragomir Some inequalities of Hölder type for quadratic weighted geometric mean of bounded linear operators in Hilbert spaces . . . . . . . . . . . . . . . . . 268--279 Daeshik Choi Inequalities related to partial trace and block Hadamard product . . . . . . . 280--284 Hafsa Bouaniza and Yosra Chamkha and Maher Mnif Perturbation of semi-Browder linear relations by commuting Riesz operators 285--308 Yuming Shi and Guixin Xu and Guojing Ren Boundedness and closedness of linear relations . . . . . . . . . . . . . . . 309--333 Wenbo Huang and Jiankui Li and Jun He Characterizations of Jordan mappings on some rings and algebras through zero products . . . . . . . . . . . . . . . . 334--346 Artem Lopatin Minimal system of generators for $ O(4) $-invariants of two skew-symmetric matrices . . . . . . . . . . . . . . . . 347--356 Juan Carlos García-Ardila and Luis E. Garza and Francisco Marcellán A canonical Geronimus transformation for matrix orthogonal polynomials . . . . . 357--381 Ruipu Bai and Weiwei Guo and Lixin Lin and Yan Zhang $n$-Lie bialgebras . . . . . . . . . . . 382--397 Fernando Tura $ \mathcal {Q} $-cospectrality and $ \mathcal {L} $-energy in cographs . . . 398--409 Jianguo Zhao and Keshe Ni Some extensions of Rotfel'd theorem . . 410--417 José L. Ramírez and Víctor F. Sirvent Generalized Schröder matrix and its combinatorial interpretation . . . . . . 418--433
Anthony G. Cronin Constructive methods for spectra with three nonzero elements in the nonnegative inverse eigenvalue problem 435--446 Yuanyuan Ke and Dragana S. Cvetkovi\'c-Ili\'c and Jianlong Chen and Jelena Visnji\'c New results on $ (b, c)$-inverses . . . 447--458 Shu-Guang Guo and Rong Zhang and Guanglong Yu Hamiltonian graphs of given order and minimum algebraic connectivity . . . . . 459--468 José Gómez-Torrecillas and F. J. Lobillo and Gabriel Navarro Peterson--Gorenstein--Zierler algorithm for skew RS codes . . . . . . . . . . . 469--487 L. M. Al-Essa and S. R. López-Permouth and N. M. Muthana Modules over infinite-dimensional algebras . . . . . . . . . . . . . . . . 488--496 Hongying Lin and Bo Zhou and Yaduan Li On distance spectral radius of uniform hypergraphs . . . . . . . . . . . . . . 497--513 Stavros G. Stavrou and Richard M. Low and Nicholas J. Hernandez Corrigendum to `Rank classification of $ 2 \times 2 \times 2 \times 2 \times 2 $ tensors over $ \mathbb {F}_2 $' . . . . 514--515 Tingzeng Wu and Hong-Jian Lai On the permanental nullity and matching number of graphs . . . . . . . . . . . . 516--524 J. M. Ancochea Bermúdez and R. Campoamor-Stursberg Rigidity-preserving and cohomology-decreasing extensions of solvable rigid Lie algebras . . . . . . 525--539 Alexander Farrugia and Irene Sciriha Triangles in inverse NSSD graphs . . . . 540--546 Ligang Kuai An extension of the Fiedler--Markham determinant inequality . . . . . . . . . 547--553 Angsuman Das On subspace inclusion graph of a vector space . . . . . . . . . . . . . . . . . 554--564 Rosali Brusamarello and Érica Z. Fornaroli and Mykola Khrypchenko Jordan isomorphisms of finitary incidence algebras . . . . . . . . . . . 565--579 Trung Hoa Dinh and Khue Thi Bich Vo Some inequalities for operator $ (p, h)$-convex functions . . . . . . . . . . 580--592 H. Benbouziane and Y. Bouramdane and M. Ech-Cherif El Kettani and A. Lahssaini Nonlinear commutant preservers . . . . . 593--601 Isha Garg and Jaspal Singh Aujla Inertia of some special matrices . . . . 602--607 E. Ballico Partially symmetric tensor rank: the description of the non-uniqueness case for low rank . . . . . . . . . . . . . . 608--624 Hua Zheng and Seakweng Vong and Wen Li On perturbation bounds of the linear complementarity problem . . . . . . . . 625--638 Yu Wang A note on Jordan $ \sigma $-derivations of triangular algebras . . . . . . . . . 639--644
Harm Derksen On the equivalence between low-rank matrix completion and tensor rank . . . 645--667 T. S. S. R. K. Rao Adjoints of operators as smooth points in spaces of compact operators . . . . . 668--670 Guangyu An Characterizations of $n$-Jordan homomorphisms . . . . . . . . . . . . . 671--680 Huanyin Chen and Marjan Sheibani Diagonal matrix reduction over Hermite rings . . . . . . . . . . . . . . . . . 681--691 Milos D. Cvetkovi\'c Generalized Drazin invertibility of operator matrices . . . . . . . . . . . 692--703 Ivan Kaygorodov and Yury Popov and Alexandre Pozhidaev and Yury Volkov Degenerations of Zinbiel and nilpotent Leibniz algebras . . . . . . . . . . . . 704--716 Tingting Li and Jianlong Chen Characterizations of core and dual core inverses in rings with involution . . . 717--730 Li Liang and Baodong Zheng and Yunbo Tian Algebraic Lyapunov and Stein stability results for tensors . . . . . . . . . . 731--741 Jungin Lee Integral matrices as diagonal quadratic forms . . . . . . . . . . . . . . . . . 742--747 A. Alahmadi and S. K. Jain and A. Leroy When are nonnegative matrices product of nonnegative idempotent matrices? . . . . 748--758 Hanif Mirzaei Inverse eigenvalue problem for pseudo-symmetric Jacobi matrices with two spectra . . . . . . . . . . . . . . 759--768 Patrick K. Torres and Michael J. Tsatsomeros Stability and convex hulls of matrix powers . . . . . . . . . . . . . . . . . 769--775 Isha Garg and Jaspal Singh Aujla Some singular value inequalities . . . . 776--784 A. Melman An alternative proof of Pellet's theorem for matrix polynomials . . . . . . . . . 785--791 Weijun Liu and Minmin Liu and Lihua Feng Spectral conditions for graphs to be $ \beta $-deficient involving minimum degree . . . . . . . . . . . . . . . . . 792--802 Janko Marovt Orders in rings based on the core-nilpotent decomposition . . . . . . 803--820 Jor-Ting Chan A note on the boundary of the joint numerical range . . . . . . . . . . . . 821--826 Na Huang and Chang-Feng Ma The structure-preserving doubling algorithms for positive definite solution to a system of nonlinear matrix equations . . . . . . . . . . . . . . . 827--839 A. E. Guterman and A. M. Maksaev Maps preserving scrambling index . . . . 840--851 M. Shafiei and A. G. Ghazanfari Numerous refinements of Pólya and Heinz operator inequalities . . . . . . . . . 852--860
Nir Cohen and Edgar Pereira The cyclic rank completion problem with regular blocks . . . . . . . . . . . . . 861--868 Jianchao Bai and Jicheng Li and Fengmin Xu Accelerated method for optimization over density matrices in quantum state estimation . . . . . . . . . . . . . . . 869--880 Sk. Monowar Hossein and Snehasish Bose and Kallol Paul On positive definite solution of nonlinear matrix equations . . . . . . . 881--893 Mohamed Boumazgour Generalized Drazin inverse of restrictions of bounded linear operators 894--901 Jinchuan Hou and Xiaofei Qi Strong $k$-commutativity preservers on complex standard operator algebras . . . 902--918 Xiaodan Chen and Yaoping Hou and Jianguo Qian Sufficient conditions for Hamiltonian graphs in terms of (signless Laplacian) spectral radius . . . . . . . . . . . . 919--936 Mohammad B. Asadi and Hossein Khodaiemehr and Fereshteh Sady Completely square-zero preserving maps on $ {\cal B}_s({\cal H}) $ . . . . . . 937--941 Xiaoqiang Lei $_\beta^\alpha \Phi_s$-inclusion sets for eigenvalues of a tensor . . . . . . 942--960 Nicolás Andruskiewitsch and João Matheus Jury Giraldi Nichols algebras that are quantum planes 961--991 Michael Orlitzky Lyapunov rank of polyhedral positive operators . . . . . . . . . . . . . . . 992--1000 R. Brits and F. Schulz The Shoda-completion of a Banach algebra 1001--1018 Salah Mecheri and S. M. Patel On quasi-$2$-isometric operators . . . . 1019--1025 Qingxiang Xu and Chuanning Song and Lili He Representations for the Drazin inverse of an anti-triangular block operator matrix $E$ with $ {\rm ind}(E) \leq 2 $ 1026--1045 Mahboobeh Mehdipour and Abbas Salemi On a new generalized inverse of matrices 1046--1053 Wim De Mulder and Geert Molenberghs and Geert Verbeke A generalization of inverse distance weighting and an equivalence relationship to noise-free Gaussian process interpolation via Riesz representation theorem . . . . . . . . . 1054--1066 André Pierro de Camargo On some determinantal identities formation laws . . . . . . . . . . . . . 1067--1067
Harm Derksen and Visu Makam On non-commutative rank and tensor rank 1069--1084 Huai-An Diao and Liming Liang and Sanzheng Qiao A condition analysis of the weighted linear least squares problem using dual norms . . . . . . . . . . . . . . . . . 1085--1103 Luís Felipe Gonçalves Fonseca and Thiago Castilho de Mello Degree-inverting involutions on matrix algebras . . . . . . . . . . . . . . . . 1104--1120 Vignon Oussa and Brian Sheehan Dihedral group frames with the Haar property . . . . . . . . . . . . . . . . 1121--1132 J. M. Casas and E. Khmaladze and N. Pacheco Rego A non-abelian Hom--Leibniz tensor product and applications . . . . . . . . 1133--1152 Jason J. Molitierno Entries of the group inverse of the Laplacian matrix for generalized Johnson graphs . . . . . . . . . . . . . . . . . 1153--1170 Chunyuan Deng and Rufang Liu and Xiunan Wang Expression for the multiplicative perturbation of the Moore--Penrose inverse . . . . . . . . . . . . . . . . 1171--1185 Maryam Khosravi and Mohammad Sal Moslehian and Alemeh Sheikhhosseini Some operator inequalities involving operator means and positive linear maps 1186--1198 Lizhu Sun and Baodong Zheng and Jiang Zhou and Hong Yan Some inequalities for the Hadamard product of tensors . . . . . . . . . . . 1199--1214 Eungil Ko and Hyun-Kyoung Kwon and Ji Eun Lee A characterization of binormal matrices 1215--1228 Farshid Abdollahi and Hashem Najafi Frame graph . . . . . . . . . . . . . . 1229--1243 Honglin Zou and Jianlong Chen and Pedro Patrício Characterizations of $m$-EP elements in rings . . . . . . . . . . . . . . . . . 1244--1256 Elena Angelini and Cristiano Bocci and Luca Chiantini Real identifiability vs. complex identifiability . . . . . . . . . . . . 1257--1267 Yali Wu and Yichuan Yang Cramer's rule over residue class rings of Bézout domains . . . . . . . . . . . . 1268--1276 Roksana S\lowik Corrigendum to `Sums of square-zero infinite matrices' (Linear Multilinear Algebra \bf 64 (2016), 1760--1768) . . . 1277--1277 Roksana S\lowik Corrigendum to `Every infinite triangular matrix is similar to a generalized infinite Jordan matrix' (Linear Multilinear Algebra \bf 65 (2017), 1362--1373) . . . . . . . . . . 1278--1278
Matthew M. Lin and Chun-Yueh Chiang An iterative method for solving the stable subspace of a matrix pencil and its application . . . . . . . . . . . . 1279--1298 Miaomiao Cui and Xiaohong Cao Weyl's theorem for upper triangular operator matrix and perturbations . . . 1299--1310 Aymen Ammar Some results on semi-Fredholm perturbations of multivalued linear operators . . . . . . . . . . . . . . . 1311--1332 Jianxing Zhao and Chaoqian Li Singular value inclusion sets for rectangular tensors . . . . . . . . . . 1333--1350 Huihui Zhu Several characterizations for generalized inverses in a ring . . . . . 1351--1361 Yan Tian and Xiankun Du and Yueyue Li Matrices with few nonzero principal minors . . . . . . . . . . . . . . . . . 1362--1379 Richard A. Brualdi and Seth A. Meyer Combinatorial properties of integer matrices and integer matrices mod $k$ 1380--1402 Gi-Sang Cheon and Jang Soo Kim and Seyed Ahmad Mojallal Spectral properties of Pascal graphs . . 1403--1417 V. B. Kiran Kumar and G. Krishna Kumar A note on discrete Borg-type theorems 1418--1433 Bo Deng and Xueliang Li and Bryan Shader and Wasin So On the maximum skew spectral radius and minimum skew energy of tournaments . . . 1434--1441 Xiaowei Xu and Jianwei Zhu Central traces of multiadditive maps on invertible matrices . . . . . . . . . . 1442--1448 Hamid Reza Moradi and Mohsen Erfanian Omidvar and Ibrahim Halil Gümüs and Razieh Naseri A note on some inequalities for positive linear maps . . . . . . . . . . . . . . 1449--1460 Zur Izhakian and Adi Niv and Louis Rowen Supertropical SL$_n$ . . . . . . . . . . 1461--1483 Xavier Martínez-Rivera The signed enhanced principal rank characteristic sequence . . . . . . . . 1484--1503
Lei Gao and Chaoqian Li and Yaotang Li An improvement of the error bounds for linear complementarity problems of Nekrasov matrices . . . . . . . . . . . 1505--1519 Bing Yang and Xiaochun Fang Weak-$2$-local derivations on finite von Neumann algebras . . . . . . . . . . . . 1520--1529 Mohamed Bendaoud Preservers of local spectrum of matrix skew products . . . . . . . . . . . . . 1530--1537 S. L. Hill and M. C. Lettington and K. M. Schmidt On superalgebras of matrices with symmetry properties . . . . . . . . . . 1538--1563 Masayuki Fujimoto and Yuki Seo Matrix Wielandt inequality via the matrix geometric mean . . . . . . . . . 1564--1577 Dongwei Li and Jinsong Leng and Tingzhu Huang and Guomin Sun On sum and stability of $g$-frames in Hilbert spaces . . . . . . . . . . . . . 1578--1592 Sanzhang Xu and Jianlong Chen and Julio Benítez Projections for generalized inverses . . 1593--1605 Lili Chi and Jiancai Sun and Hengyun Yang Biderivations and linear commuting maps on the planar Galilean conformal algebra 1606--1618 Daeshik Choi Inequalities about partial transpose and partial traces . . . . . . . . . . . . . 1619--1625 Shaowu Huang and Qing-Wen Wang and Yang Zhang Equivalence on some Rotfel'd type theorems . . . . . . . . . . . . . . . . 1626--1632 Chengyu Du and Chengming Bai and Li Guo $3$-Lie bialgebras and $3$-Lie classical Yang--Baxter equations in low dimensions 1633--1658 Sudip Bera and Sajal Kumar Mukherjee Combinatorial proofs of some determinantal identities . . . . . . . . 1659--1667 Hui Zhou and Qi Ding On mixed block graphs . . . . . . . . . 1668--1680 Maliheh Hosseini and Juan J. Font Multilinear isometries on spaces of vector-valued continuous functions . . . 1681--1690 Saad R. El-Shabrawy and Suad H. Abu-Janah Spectra of the generalized difference operator on the sequence spaces $ b v_0 $ and $h$ . . . . . . . . . . . . . . . 1691--1708 A. Giambruno and C. Polcino Milies and A. Valenti Cocharacters of group graded algebras and multiplicities bounded by one . . . 1709--1715
Xifu Liu The eigenvalues and eigenvectors of nonsingular tensors, similar tensors and tensor products . . . . . . . . . . . . 1717--1725 Dongdong Liu and Wen Li and Seak-Weng Vong Tensor complementarity problems: the GUS-property and an algorithm . . . . . 1726--1749 Adrian Sandovici Von Neumann's theorem for linear relations . . . . . . . . . . . . . . . 1750--1756 M. Ariannejad and R. Tusserkani Tree robustness of a graph . . . . . . . 1757--1766 Mohamed Elouafi Explicit inversion of Band Toeplitz matrices by discrete Fourier transform 1767--1782 Vejdi Ismailov Hasanov On the matrix equation . . . . . . . . . 1783--1798 Mehdi Vosough and Mohammad Sal Moslehian Solvability of the matrix inequality . . 1799--1818 Ravi Dwivedi and Vivek Sahai On the hypergeometric matrix functions of two variables . . . . . . . . . . . . 1819--1837 Michael Langberg and Dan Vilenchik Constructing cospectral graphs via a new form of graph product . . . . . . . . . 1838--1852 Chen Chen and Jing Huang and Shuchao Li On the relation between the $H$-rank of a mixed graph and the matching number of its underlying graph . . . . . . . . . . 1853--1869 D. S. Shirokov Classification of Lie algebras of specific type in complexified Clifford algebras . . . . . . . . . . . . . . . . 1870--1887 Cheng-Kai Liu and Pao-Kuei Liau Generalized derivations preserving quasinilpotent elements in Banach algebras . . . . . . . . . . . . . . . . 1888--1908 Mohammad Alakhrass A note on Audenaert interpolation inequality . . . . . . . . . . . . . . . 1909--1916 Xin Hou and Shangzhi Li and Qingqing Zheng On the decompositions of infinite upper triangular matrices over rings . . . . . 1917--1924
E. Albas and N. Argaç and V. De Filippis and Ç. Demir An Engel condition with generalized skew derivations on multilinear polynomials 1925--1938 Abdellatif Bourhim and Mohamed Mabrouk Numerical radius characterizations of elements in -algebras . . . . . . . . . 1939--1951 Kaie Kubjas and Elina Robeva and Richard Z. Robinson Positive semidefinite rank and nested spectrahedra . . . . . . . . . . . . . . 1952--1974 Masoud Hajarian Convergence properties of BCR method for generalized Sylvester matrix equation over generalized reflexive and anti-reflexive matrices . . . . . . . . 1975--1990 Ryszard Szwarc Convergence of weighted averages of relaxed projections . . . . . . . . . . 1991--2002 Naoya Yamaguchi Capelli elements of the group algebra 2003--2010 Yawen Li and Yao Liu and Xing Peng Signless Laplacian spectral radius and Hamiltonicity of graphs with large minimum degree . . . . . . . . . . . . . 2011--2023 Dipti Dubey and S. K. Neogy On generalizations of positive subdefinite matrices and the linear complementarity problem . . . . . . . . 2024--2035 Carlos A. Alfaro and Carlos E. Valencia and Adrián Vázquez-Ávila Digraphs with at most one trivial critical ideal . . . . . . . . . . . . . 2036--2048 Andrew Douglas and Joe Repka Subalgebras of the rank two semisimple Lie algebras . . . . . . . . . . . . . . 2049--2075 A. Bayati Eshkaftaki and M. Heydari Berenjegani and F. Bahrami DSS-weak majorization and its linear preservers on spaces . . . . . . . . . . 2076--2088 Daniel Panario and Murat Sahin and Qiang Wang Non-homogeneous conditional recurrences 2089--2099 Jingjing Shao Norm inequalities for commutators of operators in noncommutative-spaces . . . 2100--2106 Aiquan Jiao and Chaoqian Li and Yaotang Li \em SDB-tensors and \em SQB-tensors . . 2107--2118 Yun Fan and Hualu Liu Double circulant matrices . . . . . . . 2119--2137
D. S. Cvetkovi\'c Ili\'c and M. Kostadinov Invertibility of linear combinations in $ B(H) $ . . . . . . . . . . . . . . . . 2139--2150 R. Hildebrand Extremal copositive matrices with minimal zero supports of cardinality two 2151--2155 Feng Wang and Deshu Sun New error bound for linear complementarity problems for $B$-matrices . . . . . . . . . . . . . . 2156--2167 Charles R. Johnson and Carlos M. Saiago and Kenji Toyonaga Classification of vertices and edges with respect to the geometric multiplicity of an eigenvalue in a matrix, with a given graph, over a field 2168--2182 Farrukh Mukhamedov and Ahmad Fadillah Embong On non-linear Markov operators: surjectivity vs orthogonal preserving property . . . . . . . . . . . . . . . . 2183--2190 Kijti Rodtes and Kunlathida Chimla Symmetry classes of tensors and semi-direct product of finite abelian groups . . . . . . . . . . . . . . . . . 2191--2198 John D. Dixon and Irwin S. Pressman Generalized commutators and a problem related to the Amitsur--Levitzki theorem 2199--2207 Lei Liu $2$-local Lie*-automorphisms on factors 2208--2214 Simion Breaz Endomorphisms of free modules as sums of four quadratic endomorphisms . . . . . . 2215--2217 Lu Lu and Qiongxiang Huang and Xueyi Huang On graphs whose smallest distance (signless Laplacian) eigenvalue has large multiplicity . . . . . . . . . . . 2218--2231 Yanna Wang and Bo Zhou On distance spectral radius of hypergraphs . . . . . . . . . . . . . . 2232--2246 Yangyang Xu On the convergence of higher-order orthogonal iteration . . . . . . . . . . 2247--2265 Anita Buckley and Bor Plestenjak Explicit determinantal representations of up to quintic bivariate polynomials 2266--2285 Antonio Ioppolo and Fabrizio Martino Varieties of algebras with pseudoinvolution and polynomial growth 2286--2304 Janez Bernik and Klemen Sivic On certain graded representations of filiform Lie algebras . . . . . . . . . 2305--2327 T. Velanga Ideals of polynomials between Banach spaces revisited . . . . . . . . . . . . 2328--2348 Marta Casanellas and Jesús Fernández-Sánchez and Marina Garrote-López The inertia of the symmetric approximation for low-rank matrices . . 2349--2353
Farid O. Farid and Xiang-Rong Nie and Qing-Wen Wang On the solutions of two systems of quaternion matrix equations . . . . . . 2355--2388 Jing Huang and Shuchao Li Expected hitting times for random walks on quadrilateral graphs and their applications . . . . . . . . . . . . . . 2389--2408 R. E. Hartwig and P. Patrício The group inverse of the nivellateur . . 2409--2420 Cristina Caldeira and João Filipe Queiró Sums of orbits of integral matrices . . 2421--2429 Xiaobin Ma and Dengyin Wang Independence number of subspace inclusion graph and subspace sum graph of a vector space . . . . . . . . . . . 2430--2437 Guixin Xu and Yuming Shi Essential spectra of self-adjoint relations under relatively compact perturbations . . . . . . . . . . . . . 2438--2467 J. M. Casas and N. Pacheco Rego Universal $ \alpha $-central extensions of Hom--Leibniz $n$-algebras . . . . . . 2468--2486 Maria Celeste Gouveia and Alexander Kovacec A formula for computing $ (1, 2, 3)$-inverses of $g$-circulants . . . . . 2487--2492 Xiaochun Fang and Mohammad Sal Moslehian and Qingxiang Xu On majorization and range inclusion of operators on Hilbert $ C* $-modules . . 2493--2500 Yi-Jia Tan On strongly invertible matrices over semirings . . . . . . . . . . . . . . . 2501--2511 Fuqin Zhan and Youfu Qiao and Junliang Cai On edge-Zagreb spectral radius and edge-Zagreb energy of graphs . . . . . . 2512--2523 Sara M. Motlaghian and Ali Armandnejad and Frank J. Hall Topological properties of $J$ -orthogonal matrices . . . . . . . . . . 2524--2533 C. Gamas Conditions for a symmetrized tensor associated with a spherical function to be zero . . . . . . . . . . . . . . . . 2534--2556 Richard A. Brualdi and Bruce Sagan Dihedral transportation and $ (0, 1)$-matrix classes . . . . . . . . . . . 2557--2568
Ravi Dwivedi and Vivek Sahai On the basic hypergeometric matrix functions of two variables . . . . . . . 1--19 Fenglei Tian and Dein Wong Upper bounds of the energy of triangle-free graphs in terms of matching number . . . . . . . . . . . . 20--28 Hassane Benbouziane and Mustapha Ech-Cherif El Kettani and Imane Herrou Nonlinear maps preserving the local spectral subspace . . . . . . . . . . . 29--38 Issaraporn Thongsomnuk and Yotsanan Meemark Perfect state transfer in unitary Cayley graphs and gcd-graphs . . . . . . . . . 39--50 Ben Lawrence Burnside graphs, algebras generated by sets of matrices, and the Kippenhahn conjecture . . . . . . . . . . . . . . . 51--69 Hatem Mejjaoli Wavelet-multipliers analysis in the framework of the $k$-Laguerre theory . . 70--93 Yazhou Han Some determinant inequalities for operators . . . . . . . . . . . . . . . 94--105 Marie-Anne Guerry Sufficient embedding conditions for three-state discrete-time Markov chains with real eigenvalues . . . . . . . . . 106--120 Jaeseong Heo and Maria Joita A Stinespring type theorem for completely positive multilinear maps on Hilbert $ C* $-modules . . . . . . . . . 121--140 Emrah Kiliç and Talha Arikan A nonlinear generalization of the Filbert matrix and its Lucas analogue 141--157 Lorenzo Ntogramatzidis and Augusto Ferrante The geometry of the generalized algebraic Riccati equation and of the singular Hamiltonian system . . . . . . 158--174 H. Roopaei and D. Foroutannia The norm of matrix operators on Ces\`aro weighted sequence space . . . . . . . . 175--185 Anton A. Kutsenko Mixed multidimensional integral operators with piecewise constant kernels and their representations . . . 186--195 Yanyong Hong Extending structures for associative conformal algebras . . . . . . . . . . . 196--212
Mustapha Ra\"\issouli Some inequalities involving quadratic forms of operator means . . . . . . . . 213--220 Junjian Yang and Linzhang Lu and Zhen Chen Schatten $q$-norms and determinantal inequalities for matrices with numerical ranges in a sector . . . . . . . . . . . 221--227 Tianpei Jiang and Mehdi S. Mousavi and Hristo S. Sendov On the analyticity of $k$-isotropic functions . . . . . . . . . . . . . . . 228--247 Verónica Dimant and Román Villafañe Diagonal multilinear operators on Köthe sequence spaces . . . . . . . . . . . . 248--266 Gaohua Tang and Yiqiang Zhou and Huadong Su Matrices over a commutative ring as sums of three idempotents or three involutions . . . . . . . . . . . . . . 267--277 Dijana Mosi\'c Weighted core-EP inverse of an operator between Hilbert spaces . . . . . . . . . 278--298 Juan Li and Liangyun Chen and Yongsheng Cheng Representations of Bihom--Lie superalgebras . . . . . . . . . . . . . 299--326 Hassan Cheraghpour and Nader M. Ghosseiri On the idempotents, nilpotents, units and zero-divisors of finite rings . . . 327--336 Silvestru Sever Dragomir Improving Schwarz inequality in inner product spaces . . . . . . . . . . . . . 337--347 Yu Wang Functional identities in upper triangular matrix rings revisited . . . 348--359 Zoltán Léka Some singular value inequalities via convexity . . . . . . . . . . . . . . . 360--369 Hongying Lin and Bo Zhou The distance spectral radius of trees 370--390 Marko Orel Nonstandard rank-one nonincreasing maps on symmetric matrices . . . . . . . . . 391--432
S. Akbari and S. Dalvandi and F. Heydari and M. Maghasedi On the eigenvalues of signed complete graphs . . . . . . . . . . . . . . . . . 433--441 S. Akbari and G. H. Fath-Tabar and E. Ghasemian An inequality using perfect matchings and Laplacian spread of a graph . . . . 442--447 Lei Liu $2$-local Lie derivations of nest subalgebras of factors . . . . . . . . . 448--455 Evgenii L. Bashkirov On a class of Lie rings of $ 2 \times 2 $ matrices over associative commutative rings . . . . . . . . . . . . . . . . . 456--478 Yanfeng Wang and Feng Lü and Weiran Lü The inverse of bisymmetric matrices . . 479--489 Alejandra S. Córdova-Martínez and Abbas Darehgazani and Alberto Elduque On Kac's Jordan superalgebra . . . . . . 490--498 Lily Li Liu and Lili Mu Hankel determinants for generating functions of Catalan-like numbers . . . 499--509 Federico Venturelli Prehomogeneous tensor spaces . . . . . . 510--526 Feiyan Fu and Runling An Equivalent characterization of *-derivations on von Neumann algebras 527--541 Peyman Niroomand and Farangis Johari and Mohsen Parvizi Capable Lie algebras with the derived subalgebra of dimension $2$ over an arbitrary field . . . . . . . . . . . . 542--554 Li Liang and Baodong Zheng Sensitivity analysis of the Lyapunov tensor equation . . . . . . . . . . . . 555--572 Gabriela Badea Copies of $ l_u(l_v^n | n \in \mathbb {N}) $ in $ \Pi_2 (l_p, l_q), 1 \leq p, q < i n f t y $ . . . . . . . . . . . . . 573--582 Edoardo Ballico and Alessandra Bernardi On the ranks of the third secant variety of Segre--Veronese embeddings . . . . . 583--597 A. Melman Polynomial eigenvalue bounds from companion matrix polynomials . . . . . . 598--612 Dragana Cvetkovi\'c-Ili\'c and Jovana Milosevi\'c Reverse order laws for $ \{ 1, 3 \} $-generalized inverses . . . . . . . . . 613--624 Zoltán Sebestyén and Zsigmond Tarcsay On the adjoint of Hilbert space operators . . . . . . . . . . . . . . . 625--645 Anonymous Erratum . . . . . . . . . . . . . . . . 646--646 Richard A. Brualdi and Seth A. Meyer Corrigendum: Combinatorial properties of integer matrices and integer matrices mod $k$ . . . . . . . . . . . . . . . . 647--648
Xiaomin Tang and Yongyue Zhong Biderivations of the planar Galilean conformal algebra and their applications 649--659 N. Albuquerque and G. Araújo and D. Pellegrino and P. Rueda A note on multiple summing operators and applications . . . . . . . . . . . . . . 660--671 Rachid Marsli and Frank J. Hall On bounding the eigenvalues of matrices with constant row-sums . . . . . . . . . 672--684 Qi Guo and Meng-Meng Zheng and Zheng-Hai Huang Properties of $S$-tensors . . . . . . . 685--696 Colin Aitken Non-degenerate $ 2 \times k \times (k + 1) $ hypermatrices . . . . . . . . . . . 697--704 Rashid Farooq and Mehtab Khan and Sarah Chand On iota energy of signed digraphs . . . 705--724 Jianzhang Chen and Yuanyuan Huang and Chunhui Feng and Riqing Chen Some families of optimal quantum codes derived from constacyclic codes . . . . 725--742 Mushtaq A. Bhat and Juan Rada Lower bounds for the energy of weighted digraphs . . . . . . . . . . . . . . . . 743--755 Huihui Zhu On DMP inverses and $m$-EP elements in rings . . . . . . . . . . . . . . . . . 756--766 H. Roopaei and D. Foroutannia The norms of certain matrix operators from $ l_p $ spaces into $ l_p(\Delta^n) $ spaces . . . . . . . . . . . . . . . . 767--776 Leon van Wyk and Micha\l Ziembowski Lie solvability in matrix algebras . . . 777--798 Antonio Jiménez-Vargas and Antonio Morales-Campoy and Antonio M. Peralta and María Isabel Ramírez The Mazur--Ulam property for the space of complex null sequences . . . . . . . 799--816 Songpon Sriwongsa and Yi Ming Zou Orthogonal abelian Cartan subalgebra decomposition of $ \mathfrak {sl}_{\mathfrak {n}} $ over a finite commutative ring . . . . . . . . . . . . 817--829 Ulas Yamanci and Mubariz T. Garayev and Ceren Çelik Hardy--Hilbert type inequality in reproducing kernel Hilbert space: its applications and related results . . . . 830--842 Mao-lin Liang and Bing Zheng and Rui-juan Zhao Tensor inversion and its application to the tensor equations with Einstein product . . . . . . . . . . . . . . . . 843--870
Mojtaba Bakherad and Ali Morassaei Some extensions of the operator entropy type inequalities . . . . . . . . . . . 871--885 Ali Taghavi and Farzaneh Kolivand and Ensiyeh Tavakoli A note on strong (skew) $ \eta $-Lie products preserving maps on some algebras . . . . . . . . . . . . . . . . 886--895 B. P. Duggal and I. H. Kim and C. S. Kubrusly Operators satisfying a similarity condition . . . . . . . . . . . . . . . 896--910 Debajit Kalita and Kuldeep Sarma Minimizing algebraic connectivity over graphs made with some given blocks . . . 911--925 Hidayet Hüda Kösal and Murat Tosun Universal similarity factorization equalities for commutative quaternions and their matrices . . . . . . . . . . . 926--938 J. Muñoz Masqué and L. M. Pozo Coronado A new look at the classification of the tri-covectors of a $6$-dimensional symplectic space . . . . . . . . . . . . 939--952 M. Sababheh Heinz-type numerical radii inequalities 953--964 Younng-Jin Kim and Woong Kook Harmonic cycles for graphs . . . . . . . 965--975 Jun Ichi Fujii and Yuki Seo The unique solution of the Karcher equation and the self-adjointness of the Karcher mean . . . . . . . . . . . . . . 976--986 Xiao Shan Chen and Hai-Wei Sun On the unsolvability of inverse singular value problems almost everywhere . . . . 987--994 Jianguo Zhao and Junliang Wu Some matrix inequalities related to Kwong functions . . . . . . . . . . . . 995--1005 Enrico Boasso Further results on the $ (b, c)$-inverse, the outer inverse $ A_{T, S}^{(2)} $ and the Moore--Penrose inverse in the Banach context . . . . . 1006--1030 Hamid Reza Moradi and Ibrahim Halil Gümüs and Zahra Heydarbeygi A glimpse at the operator Kantorovich inequality . . . . . . . . . . . . . . . 1031--1036 Fuad Kittaneh and Mona Sakkijha Inequalities for accretive-dissipative matrices . . . . . . . . . . . . . . . . 1037--1042 Steve Kirkland and Darian McLaren and Rajesh Pereira and Sarah Plosker and Xiaohong Zhang Perfect quantum state transfer in weighted paths with potentials (loops) using orthogonal polynomials . . . . . . 1043--1061 Jianbin Zhang and Jianping Li The maximum spectral radius of $k$-uniform hypergraphs with $r$ pendent vertices . . . . . . . . . . . . . . . . 1062--1073
Ivan Kaygorodov and Alexander Pozhidaev and Paulo Saraiva On a ternary generalization of Jordan algebras . . . . . . . . . . . . . . . . 1074--1102 Hui-li Wang and Yan Yang A note on the paper `Ultra discrete permanent and the consistency of max plus linear equations' . . . . . . . . . 1103--1108 Huihui Zhu and Pedro Patrício Characterizations for pseudo core inverses in a ring with involution . . . 1109--1120 Juan Monsalve and Juan Rada Oriented bipartite graphs with minimal trace norm . . . . . . . . . . . . . . . 1121--1131 S. Mecheri and T. Prasad Triangular $n$-isometric operators . . . 1132--1145 Baohua Huang and Changfeng Ma Some criteria for identifying strong $ \cal H $-tensors and its applications 1146--1173 Somantika Datta and Jesse Oldroyd Low coherence unit norm tight frames . . 1174--1189 Turdebek N. Bekjan and Makpal Zhaxylykova Some properties of semifinite tracial subalgebras . . . . . . . . . . . . . . 1190--1197 Eungil Ko and Ji Eun Lee Remark on complex symmetric operator matrices . . . . . . . . . . . . . . . . 1198--1216 Antonio Ioppolo Some characterizations of algebras with involution with polynomial growth of their codimensions . . . . . . . . . . . 1217--1230 M. Irene Falcão and Fernando Miranda and Ricardo Severino and M. Joana Soares The number of zeros of unilateral polynomials over coquaternions revisited 1231--1249 Antonio Jesús Calderón and Ivan Kaygorodov and Paulo Saraiva Decompositions of linear spaces induced by $n$-linear maps . . . . . . . . . . . 1250--1268 Wai Leong Chooi and Kiam Heong Kwa Additive maps of rank $r$ tensors and symmetric tensors . . . . . . . . . . . 1269--1293
Qing Meng and Liguang Wang Weak Haagerup property of dynamical systems . . . . . . . . . . . . . . . . 1294--1307 Xuewen Liu and Li Guo and Xiangqian Guo $ \lambda $-Differential operators and $ \lambda $-differential modules for the Virasoro algebra . . . . . . . . . . . . 1308--1324 Qing-Wen Wang and Xiangjian Xu Iterative algorithms for solving some tensor equations . . . . . . . . . . . . 1325--1349 Xinlei Wang and Dein Wong and Dongqin Sun Automorphisms and domination numbers of transformation graphs over vector spaces 1350--1363 Maolin Che and Changjiang Bu and Liqun Qi and Yimin Wei Nonnegative tensors revisited: plane stochastic tensors . . . . . . . . . . . 1364--1391 Peng Xiao and Ligong Wang The maximum spectral radius of uniform hypergraphs with given number of pendant edges . . . . . . . . . . . . . . . . . 1392--1403 Emanuele Ventura Real rank boundaries and loci of forms 1404--1419 Alexander Lifshitz and Yuval Bistritz A fraction-free unit-circle zero location test for a polynomial with any singularity profile . . . . . . . . . . 1420--1459 M. H. M. Rashid Some invariant subspaces for $w$-hyponormal operators . . . . . . . . 1460--1470 Karimbergen Kudaybergenov and Manuel Ladra and Bakhrom Omirov On Levi--Malcev theorem for Leibniz algebras . . . . . . . . . . . . . . . . 1471--1482 Giuliano G. La Guardia Asymptotically good convolutional codes 1483--1494 K.-T. Howell and D. S. Chistyakov and S. P. Sanon On representation theory and near-vector spaces . . . . . . . . . . . . . . . . . 1495--1510
Grega Cigler and Marjan Jerman and Piotr J. Wojciechowski Full algebras of matrices . . . . . . . 1511--1521 Lei Cao A minimal completion of $ (0, 1)$-matrices without total support . . . 1522--1530 S. V. Ludkowski Automorphisms and derivations of nonassociative $ C* $-algebras . . . . . 1531--1538 I. Paniello Evolution coalgebras . . . . . . . . . . 1539--1553 Shiva Mohtashami and Abbas Salemi and Mohammad Soleymani Linear preservers of circulant majorization on rectangular matrices . . 1554--1560 Daniel Tomaz Linear structure in certain subsets of quasi-Banach sequence spaces . . . . . . 1561--1566 Shigeru Furuichi and Hamid Reza Moradi and Mohammad Sababheh New sharp inequalities for operator means . . . . . . . . . . . . . . . . . 1567--1578 Xuefeng Duan and Jianheng Chen and Chunmei Li and Qingwen Wang Iterative algorithm for the symmetric and nonnegative tensor completion problem . . . . . . . . . . . . . . . . 1579--1595 A. Mohammadian and B. Tayfeh-Rezaie Hadamard matrices with few distinct types . . . . . . . . . . . . . . . . . 1596--1605 Wenting Liang and Chunyuan Deng The solutions to some operator equations with corresponding operators not necessarily having closed ranges . . . . 1606--1624 Yuan Chang and Liangyun Chen Biderivations and linear commuting maps on the restricted Cartan-type Lie algebras $ W(n; 1) $ and $ S(n; 1) $ . . 1625--1636 Aljosa Peperko Inequalities on the spectral radius, operator norm and numerical radius of the Hadamard weighted geometric mean of positive kernel operators . . . . . . . 1637--1652 Liqiang Dong and Jicheng Li and Guo Li The double deflating technique for irreducible singular $M$-matrix algebraic Riccati equations in the critical case . . . . . . . . . . . . . 1653--1684 Lj. Arambasi\'c and D. Baki\'c Full spark frames and totally positive matrices . . . . . . . . . . . . . . . . 1685--1700 Ebrahim Ghorbani Spectral properties of cographs and $ P_5 $-free graphs . . . . . . . . . . . 1701--1710 Eduardo Marques de Sá Letter to the editor . . . . . . . . . . 1711--1712 Carlos M. da Fonseca The $ \mu $-permanent revisited . . . . 1713--1714 Jaeseong Heo and Maria Joita Corrigendum to `A Stinespring type theorem for completely positive multilinear maps on Hilbert $ C*$-modules' [Linear Multilinear Algebra 67 (2019), 121--140] . . . . . . . . . . 1715--1716 Gholamreza Talebi and Mohammad Ali Dehghan Approximation of upper bound for matrix operators on the Fibonacci weighted sequence spaces . . . . . . . . . . . . 1717--1718
Junjian Yang and Linzhang Lu and Zhen Chen A refinement of Rotfel'd type inequality for partitioned matrices with numerical ranges in a sector . . . . . . . . . . . 1719--1726 Li-Dan Liao and Guo-Feng Zhang The generalized $C$-to-$R$ method for solving complex symmetric indefinite linear systems . . . . . . . . . . . . . 1727--1735 A. R. Ashrafi and M. Eliasi and A. Ghalavand Laplacian coefficients and Zagreb indices of trees . . . . . . . . . . . . 1736--1749 Jiahui Yu and Alatancang Chen Block numerical range and estimable total decompositions of normal operators 1750--1756 Fadi Alrimawi and Omar Hirzallah and Fuad Kittaneh Norm inequalities involving convex and concave functions of operators . . . . . 1757--1772 Hua Zheng and Seakweng Vong Improved convergence theorems of the two-step modulus-based matrix splitting and synchronous multisplitting iteration methods for solving linear complementarity problems . . . . . . . . 1773--1784 Ekaterina Pervova Diffeological Clifford algebras and pseudo-bundles of Clifford modules . . . 1785--1828 Tin-Yau Tam and Pingping Zhang Spectral decomposition of selfadjoint matrices in positive semidefinite inner product spaces and its applications . . 1829--1838 Silvestru Sever Dragomir Operator refinements of Schwarz inequality in inner product spaces . . . 1839--1855 Pan-shun Lau Pre-order between diagonal elements and singular values of real matrices . . . . 1856--1866 Jingjing Peng and Anping Liao and Zhenyun Peng and Zhencheng Chen Newton's iterative method to solve a nonlinear matrix equation . . . . . . . 1867--1878 Deepa Sinha and Anita Kumari Rao and Ayushi Dhama Spectral analysis of $t$-path signed graphs . . . . . . . . . . . . . . . . . 1879--1897 Dijana Ilisevi\'c and Bojan Kuzma On square roots of isometries . . . . . 1898--1921 J. Alaminos and M. L. C. Godoy and A. R. Villena Orthogonally additive polynomials on the algebras of approximable operators . . . 1922--1936
Tingting Li and Jianlong Chen and Mengmeng Zhou and Dingguo Wang The core and dual core inverse of a morphism with kernel . . . . . . . . . . 1937--1947 F. Besleaga and S. Dascalescu and L. Van Wyk Classifying good gradings on structural matrix algebras . . . . . . . . . . . . 1948--1957 Jesús Ferrer and Domingo García and Manuel Maestre and Juan B. Seoane-Sepúlveda On the zero-set of $2$-homogeneous polynomials in Banach spaces . . . . . . 1958--1970 Wei Luo and Chuanning Song and Qingxiang Xu Perturbation estimation for the parallel sum of Hermitian positive semi-definite matrices . . . . . . . . . . . . . . . . 1971--1984 Hanieh Tavakolipour and Fatemeh Shakeri On the numerical range in tropical algebra . . . . . . . . . . . . . . . . 1985--1998 T. S. do Nascimento and A. C. Vieira Superalgebras with graded involution and star-graded colength bounded by $3$ . . 1999--2020 Zine El Abidine Abdelali and Abdelali Achchi and Rabi Marzouki Maps preserving the local spectral radius zero of generalized product of operators . . . . . . . . . . . . . . . 2021--2029 M. R. Jabbarzadeh and M. H. Sharifi Lambert conditional type operators on $ L^2 (\Sigma) $ . . . . . . . . . . . . . 2030--2047 L. M. Camacho and B. A. Omirov and T. K. Kurbanbaev Leibniz algebras constructed by Witt algebras . . . . . . . . . . . . . . . . 2048--2064 R. B. Bapat and S. K. Panda Almost self-inverse graphs . . . . . . . 2065--2076 Yan-Ni Dou and Yue-Qing Wang and Miao-Miao Cui and Hong-Ke Du Spectra of anticommutator for two orthogonal projections . . . . . . . . . 2077--2081 Claudio Gorodski and Artur B. Saturnino Focal radii of orbits . . . . . . . . . 2082--2103 Harm Derksen and Visu Makam Explicit tensors of border rank at least $ 2 d - 2 $ in $ K^d \otimes K^d \otimes K^d $ in arbitrary characteristic . . . 2104--2116 Issam Kaddoura and Bassam Mourad On a class of matrices generated by certain generalized permutation matrices and applications . . . . . . . . . . . . 2117--2134 Fernando Pablos Romo On the Drazin inverse of finite potent endomorphisms . . . . . . . . . . . . . 2135--2146
Yu Wang and Panpan Liu and Jie Bai The images of multilinear polynomials on $ 2 \times 2 $ upper triangular matrix algebras . . . . . . . . . . . . . . . . i--vi Ali Zamani and Mohammad Sal Moslehian and Mao-Ting Chien and Hiroshi Nakazato Norm-parallelism and the Davis--Wielandt radius of Hilbert space operators . . . 2147--2158 Aljosa Peperko Inequalities on the joint and generalized spectral and essential spectral radius of the Hadamard geometric mean of bounded sets of positive kernel operators . . . . . . . 2159--2172 M. Contino and J. I. Giribet and A. Maestripieri Shorted operators and minus order . . . 2173--2190 Noé Martínez and Luis E. Garza and Baltazar Aguirre-Hernández On sequences of Hurwitz polynomials related to orthogonal polynomials . . . 2191--2208 María Alejandra Alvarez and Francisco Cartes Cohomology and deformations for the Heisenberg Hom--Lie algebras . . . . . . 2209--2229 Shuchao Li and Siqi Zhang and Baogen Xu The relation between the $H$-rank of a mixed graph and the independence number of its underlying graph . . . . . . . . 2230--2245 Juan Yan and Xinxia Wang Spectra of graphs under an operation . . 2246--2252 Fumio Hiai and Yuki Seo and Shuhei Wada Ando--Hiai type inequalities for multivariate operator means . . . . . . 2253--2281 Milica Andeli\'c and Firouzeh Ashraf and Carlos M. da Fonseca and Slobodan K. Simi\'c Vertex types in some lexicographic products of graphs . . . . . . . . . . . 2282--2296 Zine El Abidine Abdelali and Hamid Nkhaylia Maps preserving the pseudo spectrum of skew triple product of operators . . . . 2297--2306 Kinkar Ch. Das and Mustapha Aouchiche and Pierre Hansen On distance Laplacian and distance signless Laplacian eigenvalues of graphs 2307--2324 Daniel Núñez-Alarcón and Diana Marcela Serrano-Rodríguez The best constants in the multiple Khintchine inequality . . . . . . . . . 2325--2344 D. Cariello Sinkhorn--Knopp theorem for rectangular positive maps . . . . . . . . . . . . . 2345--2365 Yu Wang The images of multilinear polynomials on $ 2 \times 2 $ upper triangular matrix algebras . . . . . . . . . . . . . . . . 2366--2372
C. Dalfó and M. A. Fiol and J. Koolen The spectral excess theorem for graphs with few eigenvalues whose distance-2 or distance-$1$-or-$2$ graph is strongly regular . . . . . . . . . . . . . . . . 2373--2381 Fadil Chabbabi and Mostafa Mbekhta Nonlinear maps commuting with the $ \lambda $-Aluthge transform under $ (n, m)$-Jordan-triple product . . . . . . . 2382--2398 Caili Sang and Chaoqian Li Exclusion sets in eigenvalue localization sets for tensors . . . . . 2399--2409 Francesco Belardo and Maurizio Brunetti Connected signed graphs $L$-cospectral to signed $ \infty $-graphs . . . . . . 2410--2426 Siripong Sirisuk and Yotsanan Meemark Generalized symplectic graphs and generalized orthogonal graphs over finite commutative rings . . . . . . . . 2427--2450 Jianxing Zhao Two new singular value inclusion sets for rectangular tensors . . . . . . . . 2451--2470 Ismo Korkee and Mika Mattila and Pentti Haukkanen A lattice-theoretic approach to the Bourque--Ligh conjecture . . . . . . . . 2471--2487 Junjie Yue and Liping Zhang and Zhaohui Huang A linearly convergent iterative method for identifying $H$-matrices . . . . . . 2488--2503 Dah-Chin Luor Sharp norm estimates for a class of integral operators . . . . . . . . . . . 2504--2519 Shujing Wang Relation between the rank of a signed graph and the rank of its underlying graph . . . . . . . . . . . . . . . . . 2520--2539 Ruiqi Bai and Yichuan Yang Hereditary $l$-ideals of matrix rings over $l$-rings . . . . . . . . . . . . . 2540--2548 R. Ben Taher and H. Benkhaldoun Solving the linear difference equation with periodic coefficients via Fibonacci sequences . . . . . . . . . . . . . . . 2549--2564 Jie Xue and Mingqing Zhai and Jinlong Shu Fractional matching number and eigenvalues of a graph . . . . . . . . . 2565--2574
Mohamed Abdalla Special matrix functions: characteristics, achievements and future directions . . . . . . . . . . . . . . . 1--28 María Alejandra Alvarez and Isabel Hernández On degenerations of Lie superalgebras 29--44 Minwoo Chae and Stephen G. Walker An EM-based iterative method for solving large sparse linear systems . . . . . . 45--62 Shaowei Sun and Kinkar Ch. Das Normalized Laplacian eigenvalues with chromatic number and independence number of graphs . . . . . . . . . . . . . . . 63--80 Kai Yan and Qingping Zeng and Yucan Zhu Generalized Jacobson's lemma for Drazin inverses and its applications . . . . . 81--93 Ángeles Carmona and Margarida Mitjana and Enric Monsó Green's function in partial subdivision networks . . . . . . . . . . . . . . . . 94--112 Luis González and Antonio Suárez Spectral properties of the binary Hadamard matrices . . . . . . . . . . . 113--132 Daochang Zhang and Dijana Mosi\'c and Li Guo The Drazin inverse of the sum of four matrices and its applications . . . . . 133--151 Li-Tao Zhang Modified block preconditioner for generalized saddle point matrices with highly singular $ (1, 1) $ blocks . . . 152--160 Jia Wei and Zhifu You Spectral radius and traceability of graphs with large minimum degree . . . . 161--176 D. E. Ferreyra and F. E. Levis and N. Thome Characterizations of $k$-commutative equalities for some outer generalized inverses . . . . . . . . . . . . . . . . 177--192 H. Roopaei Factorization of Ces\`aro and Hilbert matrices based on generalized Ces\`aro matrix . . . . . . . . . . . . . . . . . 193--204 Iqboljon Karimjanov and Ivan Kaygorodov and Manuel Ladra Rota-type operators on null-filiform associative algebras . . . . . . . . . . 205--219 Mehtab Khan and Rashid Farooq and Juan Rada Corrigendum to `Complex adjacency matrix and energy of digraphs' . . . . . . . . 220--222
Ming Yang and Wen Li and Mingqing Xiao On identifiability of higher order block term tensor decompositions of rank $ L_r \otimes $ rank-1 . . . . . . . . . . . . 223--245 Krushnachandra Panigrahy and Ratikanta Behera and Debasisha Mishra Reverse-order law for the Moore--Penrose inverses of tensors . . . . . . . . . . 246--264 Hongying Lin and Haiyan Guo and Bo Zhou On the $ \alpha $-spectral radius of irregular uniform hypergraphs . . . . . 265--277 H. Abd-Elmageed and M. Abdalla and M. Abul-Ez and Nasser Saad Some results on the first Appell matrix function $ F_1 (A, B, B', C; z, w)$ . . 278--292 Arya Jamshidi and Fereshteh Sady A note on nonlinear isometries between vector-valued function spaces . . . . . 293--303 Dumitru Popa An extension of the Maurey Factorization Theorem . . . . . . . . . . . . . . . . 304--322 Patrick Ali and Fouzul Atik and Ravindra B. Bapat Identities for minors of the Laplacian, resistance and distance matrices of graphs with arbitrary weights . . . . . 323--336 María Cueto-Avellaneda and Antonio M. Peralta The Mazur--Ulam property for commutative von Neumann algebras . . . . . . . . . . 337--362 Davod Farazmanesh and Ali Tavakoli and Abbas Askari An iterative algorithm to find maximum spanning sets and minimum linearly independent sets which partition a finite generator . . . . . . . . . . . . 363--376 Zhujun Yang and Jianhua Zhang Nonlinear maps preserving the second mixed Lie triple products on factor von Neumann algebras . . . . . . . . . . . . 377--390 Li-Ping Huang and Kang Zhao Graph homomorphisms on rectangular matrices over division rings II . . . . 391--409 Isha Garg and Jaspal Singh Aujla Inertia of non-integer Hadamard powers of a non-negative matrix . . . . . . . . 410--416 Merve Ilkhan A new conservative matrix derived by Catalan numbers and its matrix domain in the spaces $c$ and $ c_0$ . . . . . . . 417--434
Changpeng Shao and Hongbo Li and Lei Huang Basis-free solution to general linear quaternionic equation . . . . . . . . . 435--457 Sascha Wörz A note on Bernstein--Vandermonde matrices . . . . . . . . . . . . . . . . 458--471 M. Rausch de Traubenberg and M. J. Slupinski Polynomial invariants and moduli of generic two-dimensional commutative algebras . . . . . . . . . . . . . . . . 472--527 I. Paniello Evolution coalgebras on chicken populations . . . . . . . . . . . . . . 528--540 H. Ghahramani and S. Sattari Ideal submodules and topologically complementable submodules of Hilbert $ C* $-modules . . . . . . . . . . . . . . 541--549 Tingting Li and Jianlong Chen The core invertibility of a companion matrix and a Hankel matrix . . . . . . . 550--562 Yi-Jia Tan Fillmore's theorem for matrices over factorial rings . . . . . . . . . . . . 563--567 Pei-Chang Guo A residual-based error bound for the multilinear PageRank vector . . . . . . 568--574 Maite Fernández-Unzueta The Segr\`e cone of Banach spaces and multilinear mappings . . . . . . . . . . 575--593 Lei Cao and Zhi Chen and Selcuk Koyuncu and Huilan Li Permanents of doubly substochastic matrices . . . . . . . . . . . . . . . . 594--605 Zhaobing Fan and Chunli Deng and Haifeng Li and Changjiang Bu Multiplications and eigenvalues of tensors via linear maps . . . . . . . . 606--621 Bo Hou and Juan Zhao and Lihang Hou Classical Leonard pairs having LB-TD form . . . . . . . . . . . . . . . . . . 622--634 N. Argaç and M. P. Ero\uglu and T.-K. Lee and J.-H. Lin Identities with inverses on matrix rings 635--651 Anonymous Correction . . . . . . . . . . . . . . . i--i
Gunther Dirr and Frederik vom Ende The $C$-Numerical Range in Infinite Dimensions . . . . . . . . . . . . . . . 652--678 Alper Bulut and Ilhan Hacioglu The energy of all connected cubic circulant graphs . . . . . . . . . . . . 679--685 Julio Benítez and Enrico Boasso and Sanzhang Xu On the continuity and differentiability of the (dual) core inverse in $ C* $-algebras . . . . . . . . . . . . . . . 686--709 Ivan Contreras and Michael Toriyama and Chengzheng Yu Gluing of graph Laplacians and their spectra . . . . . . . . . . . . . . . . 710--749 Orlando García and Dairo Causil and José Sanabria and Carlos Carpintero New decompositions for the classes of quasi-Fredholm and semi $B$-Weyl operators . . . . . . . . . . . . . . . 750--763 Sh. A. Ayupov and F. N. Arzikulov Description of $2$-local and local derivations on some Lie rings of skew-adjoint matrices . . . . . . . . . 764--780 K. L. Wong and M. W. Wong Normality, self-adjointness, spectral invariance, groups and determinants of pseudo-differential operators on finite abelian groups . . . . . . . . . . . . . 781--789 Sanzhang Xu and Jianlong Chen and Dijana Mosi\'c New characterizations of the CMP inverse of matrices . . . . . . . . . . . . . . 790--804 Zdzis\law Otachel On reverse Schwarz, Bessel, Grüss and Hadamard inequalities in inner product spaces . . . . . . . . . . . . . . . . . 805--827 Antonio Jesús Calderón and Amir Fernández Ouaridi and Ivan Kaygorodov The classification of $2$-dimensional rigid algebras . . . . . . . . . . . . . 828--844 Hamadi Baklouti and Kais Feki and Sid Ahmed Ould Ahmed Mahmoud Joint normality of operators in semi-Hilbertian spaces . . . . . . . . . 845--866 Gunther Dirr and Frederik vom Ende Addendum: `The $C$-numerical range in infinite dimensions' . . . . . . . . . . 867--868 Anonymous Correction . . . . . . . . . . . . . . . ii--ii
Wai Leong Chooi and KiamHeong Kwa Classical adjoint commuting and determinant preserving linear maps on Kronecker products of Hermitian matrices 869--885 Ze-Jia Xie and Xiao-Qing Jin and Vai-Kuong Sin An optimal preconditioner for tensor equations involving Einstein product . . 886--902 Yunjie Wang and Gang Wu Refined bounds on the number of distinct eigenvalues of a matrix after low-rank update . . . . . . . . . . . . . . . . . 903--914 Rachid Marsli and Frank J. Hall Equivalence classes of $e$-matrices and associated eigenvalue localization regions . . . . . . . . . . . . . . . . 915--930 Elena Rubei A generalization of Rohn's theorem on full-rank interval matrices . . . . . . 931--939 Predrag S. Stanimirovi\'c and Miroslav \'Ciri\'c and Vasilios N. Katsikis and Chaoqian Li and Haifeng Ma Outer and $ (b, c) $ inverses of tensors 940--971 Dongwei Shi and Jianbing Cao The Sherman--Morrison--Woodbury formula for the Moore--Penrose metric generalized inverse . . . . . . . . . . 972--982 Mohamed Barraa and El Hassan Benabdi On equivalence of linear combinations of idempotents . . . . . . . . . . . . . . 983--990 Elismar R. Oliveira and Dragan Stevanovi\'c and Vilmar Trevisan Spectral radius ordering of starlike trees . . . . . . . . . . . . . . . . . 991--1000 Sid Ahmed Ould Ahmed Mahmoud and Muneo Cho and Ji Eun Lee On $n$-quasi-$ (m, C)$-isometric operators . . . . . . . . . . . . . . . 1001--1020 Wai Leong Chooi and Kiam Heong Kwa and Li Yin Tan Commuting maps on rank $k$ triangular matrices . . . . . . . . . . . . . . . . 1021--1030 Suvrit Sra New concavity and convexity results for symmetric polynomials and their ratios 1031--1038 Anupam Prakash and Antonios Varvitsiotis Correlation matrices, Clifford algebras, and completely positive semidefinite rank . . . . . . . . . . . . . . . . . . 1039--1056 David Dolzan and Polona Oblak Cholesky decomposition of matrices over commutative semirings . . . . . . . . . 1057--1063 Mushtaq A. Bhat and S. Pirzada and J. Rada On spectra and real energy of complex weighted digraphs . . . . . . . . . . . 1064--1076
Cunxiang Duan and Ligong Wang and Xiangxiang Liu Edge connectivity, packing spanning trees, and eigenvalues of graphs . . . . 1077--1095 Shiho Oi Hermitian operators and isometries on algebras of matrix-valued Lipschitz maps 1096--1112 Aiquan Jiao and Jianxing Zhao and Yaotang Li \em SGB-tensors and its applications . . 1113--1128 Uzma Ahmad and Saira Hameed and Shaista Jabeen Class of weighted graphs with strong anti-reciprocal eigenvalue property . . 1129--1139 Murray R. Bremner and Hader A. Elgendy Special identities for comtrans algebras 1140--1159 Yuefeng Gao and Jianlong Chen and Pedro Patrício Representations and properties of the $W$-weighted core-EP inverse . . . . . . 1160--1174 Baohua Huang and Changfeng Ma An iterative algorithm to solve the generalized Sylvester tensor equations 1175--1200 Dumitru Popa Operators with the Maurey--Pietsch multiple splitting property . . . . . . 1201--1217 Monire Hajmohamadi and Rahmatollah Lashkaripour and Mojtaba Bakherad Improvements of Berezin number inequalities . . . . . . . . . . . . . . 1218--1229 Narges Haj Aboutalebi Introduction to $C$-numerical ranges and $C$-radii of quaternion matrices . . . . 1230--1238 Jesús Abderramán Marrero Explicit inversion formulas for properly Hessenberg and Toeplitz--Hessenberg matrices . . . . . . . . . . . . . . . . 1239--1256 Shuangjian Guo and Xiaohui Zhang and Shengxiang Wang The construction of Hom-left-symmetric conformal bialgebras . . . . . . . . . . 1257--1276
Amir Hashemi and Masoumeh Javanbakht Computing $H$-bases via minimal bases for syzygy modules . . . . . . . . . . . 1277--1301 Mohamed Boumazgour and Ezzeddine Chafai On the essential spectrum of the diagonal of an operator . . . . . . . . 1302--1309 Stefano Biagi and Andrea Bonfiglioli and Marco Matone On the Baker--Campbell--Hausdorff Theorem: non-convergence and prolongation issues . . . . . . . . . . 1310--1328 Jian Meng and Liquan Mei The spectrum of the generalized difference operator $ B_v^{(m)} $ over the sequence space $ l_p (1 < p < \infty) $ . . . . . . . . . . . . . . . . . . . 1329--1339 Paula Cadavid and Mary Luz Rodiño Montoya and Pablo M. Rodriguez Characterization theorems for the spaces of derivations of evolution algebras associated to graphs . . . . . . . . . . 1340--1354 Shi-Fang Yuan and Yong Tian and Ming-Zhao Li On Hermitian solutions of the reduced biquaternion matrix equation $ (A X B, C X D) = (E, G) $ . . . . . . . . . . . . 1355--1373 Ramin Mousavi Thin trees in some families of distance-regular graphs . . . . . . . . 1374--1383 Naomi Shaked-Monderer On the generalized inverse of a copositive matrix . . . . . . . . . . . 1384--1394 Wei Wei and Shuchao Li Relation between the Hermitian energy of a mixed graph and the matching number of its underlying graph . . . . . . . . . . 1395--1410 Oskar Maria Baksalary and Dietrich Trenkler and Götz Trenkler On most perfect magic squares of order four . . . . . . . . . . . . . . . . . . 1411--1423 Xinlei Wang and Dein Wong and Yuanshuai Zhang Zero forcing number of a graph in terms of the number of pendant vertices . . . 1424--1433 L. Bernal-González and J. López-Salazar and J. B. Seoane-Sepúlveda Holomorphic surjectivity near the boundary: topological and algebraic genericity . . . . . . . . . . . . . . . 1434--1456 Sónia Carvalho An alternative proof on higher order derivatives of a multilinear map . . . . 1457--1464 Seyedeh Nafiseh Akbarossadat and Farshid Saeedi On the dimension of the Schur multiplier of $n$-Lie algebras . . . . . . . . . . 1465--1499
Ali Dadkhah and Mohammad Sal Moslehian Non-linear positive maps between $ C* $-algebras . . . . . . . . . . . . . . . 1501--1517 Shasha Zheng and Xiaogang Liu and Shenggui Zhang Perfect state transfer in NEPS of some graphs . . . . . . . . . . . . . . . . . 1518--1533 Yingui Pan and Jianping Li and Shuchao Li and Wenjun Luo On the normalized Laplacians with some classical parameters involving graph transformations . . . . . . . . . . . . 1534--1556 Hamid Reza Moradi and Shigeru Furuichi A complementary inequality to the information monotonicity for Tsallis relative operator entropy . . . . . . . 1557--1567 Fatemeh Ghobadzadeh and A. Najati and Elnaz Osgooei Modular frames and invertibility of multipliers in Hilbert $ C* $-modules 1568--1584 Arash Ghaani Farashahi Generalized wavelet transforms over finite fields . . . . . . . . . . . . . 1585--1604 Lei Gao and Hui Huang and Chaoqian Li Subdirect sums of $ Q N $-matrices . . . 1605--1623 Qi Zhou and Dein Wong and Dongqin Sun A lower bound for graph energy . . . . . 1624--1632 Xianya Geng and Yan Wu and Long Wang Characterizations of graphs with given inertia index achieving the maximum diameter . . . . . . . . . . . . . . . . 1633--1641 Saieed Akbari and Amir Hossein Ghodrati and Shahriar Shahriari Nowhere-zero bases for the nullspace of the incidence matrices of graphs . . . . 1642--1654 LeRoy B. Beasley and Seok-Zun Song Genus of a graph and its strong preservers . . . . . . . . . . . . . . . 1655--1662 Zhong-Qi Xiang Invertibility of $g$-frame multipliers and Bessel multipliers for unitary systems in Hilbert $ C*$-modules . . . . 1663--1681 Hongxing Wang and Xiaoji Liu EP-nilpotent decomposition and its applications . . . . . . . . . . . . . . 1682--1694 Caixing Gu and In Sung Hwang and Woo Young Lee Hyponormality of Toeplitz operators in several variables by the weighted shifts approach . . . . . . . . . . . . . . . . 1695--1720
Changqing Xu and Lingling He and Zerong Lin Commutation matrices and commutation tensors . . . . . . . . . . . . . . . . 1721--1742 Yi-Jia Tan Diagonability of matrices over commutative semirings . . . . . . . . . 1743--1752 Haoge Chang and C. R. Johnson Completion of TP and TN border patterns 1753--1766 Sheldon Dantas and Vladimir Kadets and Sun Kwang Kim and Han Ju Lee and Miguel Martín There is no operatorwise version of the Bishop--Phelps--Bollobás property . . . . 1767--1778 Li Su and Liying Kang and Honghai Li and Erfang Shan The largest spectral radius of uniform hypertrees with a given size of matching 1779--1791 Limin Zou A note on singular value inequalities related to the Audenaert--Zhan inequality . . . . . . . . . . . . . . . 1792--1796 Arnab Patra and P. D. Srivastava Spectrum and fine spectrum of generalized lower triangular triple band matrices over the sequence space $ l_p $ 1797--1816 Gang Wang and Yanan Wang and Yiju Wang Some Ostrowski-type bound estimations of spectral radius for weakly irreducible nonnegative tensors . . . . . . . . . . 1817--1834 Çagri Demir and Vincenzo De Filippis and Nurcan Argaç A quadratic generalized differential identity on Lie ideals of Prime Rings 1835--1847 Jian Meng and Liquan Mei A generalized fractional difference operator and its applications . . . . . 1848--1860 Dongwei Li and Jinsong Leng Operator representations of $g$-frames in Hilbert spaces . . . . . . . . . . . 1861--1877 Jaeseong Heo and Maria Joia A Radon--Nikodým type theorem for invariant symmetric completely positive and completely bounded multilinear maps on Hilbert $ C* $*-modules . . . . . . . 1878--1893 Frank Uhlig Zhang Neural Networks for fast and accurate computations of the field of values . . . . . . . . . . . . . . . . . 1894--1910
É. Laugerotte and J.-G. Luque and L. Mignot and F. Nicart Multilinear representations of free pros 1911--1955 Zhi Chen and Lei Cao and Qing-Wen Wang The extreme points of certain polytopes of doubly substochastic matrices . . . . 1956--1971 Zejun Huang and Zhenhua Lyu $0$--$1$ matrices whose $k$-th powers have bounded entries . . . . . . . . . . 1972--1982 Xiaobin Ma and Xianwen Fang An improved lower bound for the nullity of a graph in terms of matching number 1983--1989 Maryam Jalaeian and Mehdi Mohammadzadeh Karizaki and Mahmoud Hassani Conditions that the product of operators is an EP operator in Hilbert C*-module 1990--2004 Shavkat Ayupov and Karimbergen Kudaybergenov and Bakhrom Omirov and Kaiming Zhao Semisimple Leibniz algebras, their derivations and automorphisms . . . . . 2005--2019 Jiong Dong and Xiaohong Cao Compact perturbations of both SVEP and Weyl's theorem for $ 3 \times 3 $ upper triangular operator matrices . . . . . . 2020--2033 Sajal Kumar Mukherjee On the rooted forests in triangulated closed manifolds . . . . . . . . . . . . 2034--2043 Leslie Hogben and Jephian C.-H. Lin and D. D. Olesky and P. van den Driessche The sepr-sets of sign patterns . . . . . 2044--2068 Yu Wang Lie derivations of triangular algebras without assuming unity . . . . . . . . . 2069--2086 Oguz Ogur Superposition operators on sequence spaces $ \ell_p(F) $ derived by using matrix of Fibonacci numbers . . . . . . 2087--2098 Jingjing Shao Generalizations of refined Young inequalities and reverse inequalities for $ \tau $-measurable operators . . . 2099--2109 M. J. de la Puente Quasi-Euclidean classification of alcoved convex polyhedra . . . . . . . . 2110--2142
Fouzul Atik On equitable partition of matrices and its applications . . . . . . . . . . . . 2143--2156 Deepak Sarma Minors of Hermitian (quasi-) Laplacian matrix of a mixed graph . . . . . . . . 2157--2169 Linlin Liu and Shuanhong Wang Rota--Baxter $H$-operators and pre-Lie $H$-pseudoalgebras over a cocommutative Hopf algebra $H$ . . . . . . . . . . . . 2170--2184 A. Melman Refinement of Pellet radii for matrix polynomials . . . . . . . . . . . . . . 2185--2200 Dijana Mosi\'c Maximal classes of operators determining some weighted generalized inverses . . . 2201--2220 Abdelfattah Haily and Mohamed ElBadry Equation $ a * a = P(a) $ in some algebras with involution . . . . . . . . 2221--2227 Mohammad Alakhrass A note on sectorial matrices . . . . . . 2228--2238 Andrei Bytsko A relation for the Jones--Wenzl projector and tensor space representations of the Temperley--Lieb algebra . . . . . . . . . . . . . . . . 2239--2253 Fernando Pablos Romo Core-Nilpotent decomposition and new generalized inverses of finite potent endomorphisms . . . . . . . . . . . . . 2254--2275 Jie Xue and Shuting Liu and Jinlong Shu On the multiplicity of distance signless Laplacian eigenvalues of graphs . . . . 2276--2288 Tatjana Petek and Gordana Radi\'c A note on equivalence preserving maps 2289--2297 Jun Ge and Bo Ning Spectral radius and Hamiltonian properties of graphs, II . . . . . . . . 2298--2315 P. Djagba and K.-T. Howell The subspace structure of finite dimensional Beidleman near-vector spaces 2316--2336 Songpon Sriwongsa Orthogonal graphs modulo power of 2 . . 2337--2345
Zur Izhakian and Manfred Knebusch Quasilinear convexity and quasilinear stars in the ray space of a supertropical quadratic form . . . . . . 2347--2389 Pinar Aydogdu and Sergio R. López-Permouth and Rebin A. Muhammad Infinite-dimensional algebras without simple bases . . . . . . . . . . . . . . 2390--2407 Hayoung Choi and Sejong Kim and Yuanming Shi Geometric mean of partial positive definite matrices with missing entries 2408--2433 Huihui Zhu and Qing-Wen Wang Weighted pseudo core inverses in rings 2434--2447 Z. Stani\'c Star complementary strongly regular decompositions of strongly regular graphs . . . . . . . . . . . . . . . . . 2448--2461 M. Alakhrass and M. Sababheh Functional inequalities for positive matrices . . . . . . . . . . . . . . . . 2462--2472 Deshu Sun New methods based on H-tensors for identifying positive definiteness of homogeneous polynomial forms . . . . . . 2473--2483 Debmalya Sain and Kallol Paul and Arpita Mal and Anubhab Ray A complete characterization of smoothness in the space of bounded linear operators . . . . . . . . . . . . 2484--2494 Ole Christensen and Somantika Datta and Rae Young Kim Equiangular frames and generalizations of the Welch bound to dual pairs of frames . . . . . . . . . . . . . . . . . 2495--2505 Aref Jeribi and Bilel Krichen and Ali Zitouni Properties of Demicompact Operators, Essential Spectra and Some Perturbation Results for Block Operator Matrices with Applications . . . . . . . . . . . . . . 2506--2522 Qinghong Zhang Faces of the $ 5 \times 5 $ completely positive cone . . . . . . . . . . . . . 2523--2540
Cui-Xia Li The improved convergence of MSMMAOR method for linear complementarity problems . . . . . . . . . . . . . . . . 1--8 Shaun M. Fallat and Ryan M. Tifenbach Sums of rank-one matrices and ranks of principal submatrices . . . . . . . . . 9--18 Ben Grossmann and Hugo J. Woerdeman Fractional minimal rank . . . . . . . . 19--39 Lu-Bin Cui and Cui-Xia Li and Shi-Liang Wu The relaxation convergence of multisplitting AOR method for linear complementarity problem . . . . . . . . 40--47 Nir Cohen and Edgar Pereira The cyclic rank completion problem with general blocks . . . . . . . . . . . . . 48--73 Shuchao Li and Wanting Sun Matching number, connectivity and eigenvalues of distance signless Laplacians . . . . . . . . . . . . . . . 74--92 Haifeng Ma and Tingting Li Characterizations and representations of the core inverse and its applications 93--103 Qing-Wen Wang and Xiangjian Xu and Xuefeng Duan Least squares solution of the quaternion Sylvester tensor equation . . . . . . . 104--130 Kai Wang and Lin Chen and Yi Shen and Yize Sun and Li-Jun Zhao Constructing $ 2 \times 2 \times 4 $ and $ 4 \times 4 $ unextendible product bases and positive-partial-transpose entangled states . . . . . . . . . . . . 131--146 Ling Tang and Chuanfu Xiao and Hanyu Li A new random perturbation interval of symmetric eigenvalue problem . . . . . . 147--154 Yuanyuan Ke and Jianlong Chen and Predrag Stanimirovi\'c and Miroslav \'Ciri\'c Characterizations and representations of outer inverse for matrices over a ring 155--176 Edward Hanson How to recognize a Leonard pair . . . . 177--192
Gopinath Sahoo Complex adjacency spectra of digraphs 193--207 Ali Taghavi and Sadegh Salehi Continuous maps preserving Jordan triple products from $ \mathbb {GL}_1 $ to $ \mathbb {GL}_2 $ to $ \mathbb {GL}_3 $ 208--223 Michael J. Tsatsomeros and Yueqiao Faith Zhang The fibre of $P$-matrices: the recursive construction of all matrices with positive principal minors . . . . . . . 224--232 Yuan Chang and Liangyun Chen and Yan Cao Super-biderivations of the generalized Witt Lie superalgebra $ W(m, n; t) $ . . 233--244 Qianping Guo and Jingsong Leng and Houbiao Li Construct approximate dual $g$-frames in Hilbert spaces . . . . . . . . . . . . . 245--258 Davor Dragicevi\'c On the exponential stability and hyperbolicity of linear cocycles . . . . 259--277 Gui-Xian Tian and Ping-Kang Yu and Shu-Yu Cui The signless Laplacian state transfer in coronas . . . . . . . . . . . . . . . . 278--295 Xin Hou Idempotents in triangular matrix rings 296--304 Chris McDaniel and Shujian Chen and Anthony Iarrobino and Pedro Macias Marques Free extensions and Lefschetz properties, with an application to rings of relative coinvariants . . . . . . . . 305--330 Alberto Elduque and Alicia Labra Evolution algebras, automorphisms, and graphs . . . . . . . . . . . . . . . . . 331--342 Xiwang Cao and Keqin Feng Perfect state transfer on Cayley graphs over dihedral groups . . . . . . . . . . 343--360 Dijana Mosi\'c The generalized and pseudo $n$-strong Drazin inverses in rings . . . . . . . . 361--375
Yuval Bistritz and Alexander Lifshitz Fraction-free computation of the unit-circle resultant with any singularity profile . . . . . . . . . . 377--393 Stavros Georgios Stavrou and Richard M. Low The maximum rank of $ 2 \times \cdots \times 2 $ tensors over $ \mathbb {F}_2 $ . . . . . . . . . . . . . . . . . . . 394--402 Ping-Han Chou and Cheng-Kai Liu Power commuting additive maps on rank-$k$ linear transformations . . . . 403--427 Song Lin and Xiaohui Fu On some inequalities for sector matrices 428--437 Sara M. Motlaghian and Ali Armandnejad and Frank J. Hall Topological properties of $J$-orthogonal matrices, part II . . . . . . . . . . . 438--447 Projesh Nath Choudhury and K. C. Sivakumar Matrices with positive semidefinite real part . . . . . . . . . . . . . . . . . . 448--470 M. Safarizadeh and S. Hejazian Maps preserving quadratic product between positive cones of \em JBW-algebras . . . . . . . . . . . . . . 471--488 Vjeran Hari and Erna Begovi\'c Kovac On the convergence of complex Jacobi methods . . . . . . . . . . . . . . . . 489--514 B. P. Duggal and C. S. Kubrusly Power bounded $m$-left invertible operators . . . . . . . . . . . . . . . 515--525 Farrukh Mukhamedov and Ahmad Fadillah Embong Infinite dimensional orthogonality preserving nonlinear Markov operators 526--550 Constantin Costara Nonlinear commuting maps on $ L(X) $ . . 551--556 Yuefeng Gao and Jianlong Chen and Pedro Patrício Continuity of the core-EP inverse and its applications . . . . . . . . . . . . 557--571
Xiaomin Zhu and Xiao-Dong Zhang The hitting time of random walk on unicyclic graphs . . . . . . . . . . . . 573--592 A. Bonilla and G. A. Muñoz-Fernández and J. A. Prado-Bassas and J. B. Seoane-Sepúlveda Hausdorff and Box dimensions of continuous functions and lineability . . 593--606 J. M. Casas and E. Khmaladze and N. Pacheco Rego On some properties preserved by the non-abelian tensor product of Hom--Lie algebras . . . . . . . . . . . . . . . . 607--626 Fernando Pablos Romo On Drazin-Moore--Penrose inverses of finite potent endomorphisms . . . . . . 627--647 Ivan Kyrchei Determinantal representations of solutions to systems of two-sided quaternion matrix equations . . . . . . 648--672 Louisa Catalano On maps preserving products equal to a rank-one idempotent . . . . . . . . . . 673--680 Lijun Huo and Gengsheng Zhang Orthogonal graph of type $ (m, m - 1, 0) $ of characteristic 2 and its subconstituents . . . . . . . . . . . . 681--701 Mengmeng Zhou and Jianlong Chen and Dingguo Wang The core inverses of linear combinations of two core invertible matrices . . . . 702--718 Mu-Zheng Zhu and Ya-E Qi and Guo-Feng Zhang On circulant and skew-circulant preconditioned Krylov methods for steady-state Riesz spatial fractional diffusion equations . . . . . . . . . . 719--731 Yoshihiro Sawano and Saad R. El-Shabrawy The spectra of the generalized difference operators on the spaces of convergent series . . . . . . . . . . . 732--751 Mahvish Samar and Hanyu Li and Yimin Wei Condition numbers for the $K$-weighted pseudoinverse and their statistical estimation . . . . . . . . . . . . . . . 752--770
Steve Kirkland and Chi-Kwong Li Preface of the special issue on Numerical ranges and numerical radii . . 771--771 Titas Geryba and Ilya M. Spitkovsky On the numerical range of some block matrices with scalar diagonal blocks . . 772--785 Benjamín A. Itzá-Ortiz and Rubén A. Martínez-Avendaño The numerical range of a class of periodic tridiagonal operators . . . . . 786--806 Martín Argerami and Saleh Mustafa Higher rank numerical ranges of Jordan-like matrices . . . . . . . . . . 807--826 Ningping Cao and David W. Kribs and Chi-Kwong Li and Mike I. Nelson and Yiu-Tung Poon and Bei Zeng Higher rank matricial ranges and hybrid quantum error correction . . . . . . . . 827--839 T. R. Cameron and M. D. Robertson and A. Wiedemann On the restricted numerical range of the Laplacian matrix for digraphs . . . . . 840--854 Titas Geryba and Ilya M. Spitkovsky On some $4$-by-$4$ matrices with bi-elliptical numerical ranges . . . . . 855--870 Mao-Ting Chien and Chi-Kwong Li and Hiroshi Nakazato The diameter and width of higher rank numerical ranges . . . . . . . . . . . . 871--887 M. T. Chien and H. Nakazato Computation of Riemann matrices of hyperbolic quartic curves . . . . . . . 888--906 Satyajit Sahoo and Nirmal Chandra Rout and Mohammad Sababheh Some extended numerical radius inequalities . . . . . . . . . . . . . . 907--920 Hamid Reza Moradi and Mohammad Sababheh More accurate numerical radius inequalities (II) . . . . . . . . . . . 921--933 Watheq Bani-Domi and Fuad Kittaneh Norm and numerical radius inequalities for Hilbert space operators . . . . . . 934--945 Mohsen Erfanian Omidvar and Hamid Reza Moradi New estimates for the numerical radius of Hilbert space operators . . . . . . . 946--956 Yassine Bedrani and Fuad Kittaneh and Mohammed Sababheh Numerical radii of accretive matrices 957--970 Javier Merí and Alicia Quero On the numerical index of absolute symmetric norms on the plane . . . . . . 971--979 Nirmal Chandra Rout and Satyajit Sahoo and Debasisha Mishra Some $A$-numerical radius inequalities for semi-Hilbertian space operators . . 980--996
Huiqiu Lin and Jie Xue and Jinlong Shu On the $ D_\alpha $-spectra of graphs 997--1019 N. Bebiano and J. da Providência Maximum entropy principle and Landau free energy inequality . . . . . . . . . 1020--1034 Kinkar Chandra Das Nordhaus--Gaddum-type result on the second largest signless Laplacian eigenvalue of a graph . . . . . . . . . 1035--1044 Hideo Mitsuhashi and Hideaki Morita and Iwao Sato A new generalized Bartholdi zeta function for a digraph . . . . . . . . . 1045--1060 Bibinur Duisengaliyeva and Ualbai Umirbaev Differential algebraic dependence and Novikov dependence . . . . . . . . . . . 1061--1071 Carlos M. da Fonseca and Emrah Kiliç A new type of Sylvester--Kac matrix and its spectrum . . . . . . . . . . . . . . 1072--1082 Iqboljon Karimjanov and Ivan Kaygorodov and Manuel Ladra Central extensions of filiform associative algebras . . . . . . . . . . 1083--1101 Yujiao Sun Supercharacter theories for Sylow $p$-subgroups of Lie type $ G_2$ . . . . 1102--1136 Daijun Yin On the multiple eigenvalue of Randi\'c matrix of trees . . . . . . . . . . . . 1137--1150 R. Jana and A. Dutta and A. K. Das More on hidden $Z$-matrices and linear complementarity problem . . . . . . . . 1151--1160 Shaoxin Wang and Hu Yang Conditioning theory of the equality constrained quadratic programming and its applications . . . . . . . . . . . . 1161--1183
Jean-Bernard Baillon and Alberto Seeger On the maximal number of Pareto eigenvalues in a matrix of given order 1185--1207 Mohammad W. Alomari Refinements of some numerical radius inequalities for Hilbert space operators 1208--1223 Sheng Chen and Yi Dai Minimal $ \infty $-norm of generalized inverses of the incidence matrix of a tree . . . . . . . . . . . . . . . . . . 1224--1235 S. V. Ludkowski Weakly separable algebras . . . . . . . 1236--1247 B. Afshari and S. Akbari A note on the algebraic connectivity of a graph and its complement . . . . . . . 1248--1254 Rosário Fernandes and Susana Furtado Extremal matrices for the Bruhat-graph order . . . . . . . . . . . . . . . . . 1255--1274 Qing Meng and Liguang Wang The Haagerup approximation property for arbitrary $ C* $-algebras . . . . . . . 1275--1285 Sh. A. Ayupov and A. Kh. Khudoyberdiyev Local derivations on Solvable Lie algebras . . . . . . . . . . . . . . . . 1286--1301 Alexander Shchegolev Bijective PC-maps of the unipotent radical of the Borel subgroup of the classical symplectic group . . . . . . . 1302--1337 Stanis\law Bia\las and Micha\l Góra The generalized Hadamard product of polynomials and its stability . . . . . 1338--1351 Huanyin Chen and Marjan Sheibani The $g$-Hirano inverse in Banach algebras . . . . . . . . . . . . . . . . 1352--1362 Raphael Loewy and Oren Spector Some notes on the spectra of nonnegative symmetric $ 5 \times 5 $ matrices . . . 1363--1382
Yongge Tian Classification analysis to the equalities A$^{(i, \ldots {}, j)}$ = B$^{(k, \ldots {}, l)}$ for generalized inverses of two matrices . . 1383--1406 Xinmin Hou and Boyuan Liu and Shicheng Wang and Jun Gao and Chenhui Lv The spectral radius of graphs without trees of diameter at most four . . . . . 1407--1414 Lili Yang and Guoxing Ji Bounds for the diamond partial order in $B(H)$ . . . . . . . . . . . . . . . . . 1415--1421 Jheng-Huei Lin Weak Jordan derivations of prime rings 1422--1445 M. Cristina Câmara and Kamila Kli's-Garlicka and Marek Ptak Complex symmetric completions of partial operator matrices . . . . . . . . . . . 1446--1467 Tong Ning and Jianhua Zhang and Liang Kong Bilocal Lie derivations on factor von Neumann algebras . . . . . . . . . . . . 1468--1483 Mohammad Ali Hasankhani Fard and Saeedeh Moazeni Signal reconstruction without phase by norm retrievable frames . . . . . . . . 1484--1499 J. Q. Adashev and L. M. Camacho and B. A. Omirov Solvable Leibniz algebras with naturally graded non-Lie $p$-filiform nilradicals whose maximal complemented space of its nilradical . . . . . . . . . . . . . . . 1500--1520 Fei Li On the Jacobians of singular matrix decomposition and its application . . . 1521--1533 Aleksandra Kosti\'c and Zoran Z. Petrovi\'c and Zoran S. Pucanovi\'c and Maja Roslavcev On a generalized Jordan form of an infinite upper triangular matrix . . . . 1534--1542 Ilja Gogi\'c The cb-norm approximation of generalized skew derivations by elementary operators 1543--1556 Amir Baklouti and Sa\"\id Benayadi Symplectic Jacobi--Jordan algebras . . . 1557--1578
D. S. Cvetkovi\'c-Ili\'c and J. Nikolov Radenkovi\'c and Qing-Wen Wang Algebraic conditions for the solvability to some systems of matrix equations . . 1579--1609 Ji-jun Ao and Jiong Sun Eigenvalues of a class of fourth-order boundary value problems with transmission conditions using matrix theory . . . . . . . . . . . . . . . . . 1610--1624 T. Velanga Multilinear mappings versus homogeneous polynomials and a multipolynomial polarization formula . . . . . . . . . . 1625--1634 Pintu Bhunia and Santanu Bag and Kallol Paul Numerical radius inequalities of operator matrices with applications . . 1635--1644 Yongxin Yuan and Yinlan Chen and Lei Zhou Solutions of a second-order conjugate matrix equation . . . . . . . . . . . . 1645--1656 Yanling Mao and Xilan Liu On some inequalities for accretive-dissipative matrices . . . . . 1657--1664 Yuping Yang Nonlinear Lie derivations of incidence algebras of finite rank . . . . . . . . 1665--1682 Pasquale Petrullo and Domenico Senato Endomorphisms of the Riordan group . . . 1683--1693 Mohsen Kian and M. S. Moslehian and Yuki Seo Variants of Ando--Hiai inequality for operator power means . . . . . . . . . . 1694--1704 Derek Thompson and Thaddeus McClatchey and Caleb Holleman Binormal, complex symmetric operators 1705--1715 R. Rajkumar and T. Anitha Laplacian spectrum of reduced power graph of certain finite groups . . . . . 1716--1733 Toshio Sumi and Mitsuhiro Miyazaki and Toshio Sakata Typical ranks of semi-tall real 3-tensors . . . . . . . . . . . . . . . 1734--1746 Ashish Verma and Sarasvati Yadav On the incomplete second Appell hypergeometric matrix functions . . . . 1747--1760 Mitra Shamsabadi and Ali Akbar Arefijamaal On $C$--$D$ controlled frames and their duality . . . . . . . . . . . . . . . . 1761--1770 Souheyb Dehimi and Mohammed Hichem Mortad and Zsigmond Tarcsay On the operator equations $ A^n = A* A $ 1771--1778
Susana Furtado and C. R. Johnson and Yulin Zhang Linear preservers of copositive matrices 1779--1788 Shikun Ou and Dein Wong and Fenglei Tian and Qi Zhou Fixing number and metric dimension of a zero-divisor graph associated with a ring . . . . . . . . . . . . . . . . . . 1789--1802 Kenji Toyonaga and Charles R. Johnson Classification of edges in a general graph associated with the change in multiplicity of an eigenvalue . . . . . 1803--1812 Zhao Wang and Yaping Mao and Boris Furtula and Xu Wang Bounds for the spectral radius and energy of extended adjacency matrix of graphs . . . . . . . . . . . . . . . . . 1813--1824 Johanns de Andrade Bezerra A note on completion to the unitary matrices . . . . . . . . . . . . . . . . 1825--1840 Ziliang Guo and Shuchao Li and Xin Liu and Xiaoling Mei Expected hitting times for random walks on the diamond hierarchical graphs involving some classical parameters . . 1841--1857 Paula Cadavid and Mary Luz Rodiño Montoya and Pablo M. Rodriguez On the isomorphisms between evolution algebras of graphs and random walks . . 1858--1877 Uzma Ahmad and Saira Hameed and Shaista Jabeen Noncorona graphs with strong anti-reciprocal eigenvalue property . . 1878--1888 Ronald Ismael Quispe Urure and Dimas José Gonçalves Central polynomials with involution for the algebra of $ 2 \times 2 $ upper triangular matrices . . . . . . . . . . 1889--1901 Long Wang Nullity of a graph in terms of path cover number . . . . . . . . . . . . . . 1902--1908 Caili Sang and Zhen Chen A new error bound for linear complementarity problems of weakly chained diagonally dominant $B$-matrices 1909--1921 Ming-Zhu Chen and Xiao-Dong Zhang On the signless Laplacian spectral radius of $ K_{s, t} $-minor free graphs 1922--1934 Zhen-dong Ji and Jiao-fen Li and Xue-lin Zhou and Fu-jian Duan and Tao Li On solutions of matrix equation $ A X B = C $ under semi-tensor product . . . . 1935--1963 Mohammad Sababheh and Hamid Reza Moradi More accurate numerical radius inequalities (I) . . . . . . . . . . . . 1964--1973
Jimmie Lawson and Eyüp Kizil Characterizations of automorphic and anti-automorphic involutions of the quaternions . . . . . . . . . . . . . . 1975--1980 Eyüp Kizil and Jimmie Lawson A new eigenspace characterization of split-quaternion involutions . . . . . . 1981--1988 F. Lombarkia and A. Boussaid Operator equations and inner inverses of elementary operators . . . . . . . . . . 1989--1996 Sergio R. López-Permouth and Benjamin Stanley Graph Magma Algebras have no projective bases . . . . . . . . . . . . . . . . . 1997--2005 Xiaoli Deng and Chujian Lin and Chunyuan Deng Remark on the core-EP pre-order of Hilbert space operators . . . . . . . . 2006--2011 Alen Duri\'c and Sara Jevdeni\'c and Nik Stopar Compressed zero-divisor graphs of matrix rings over finite fields . . . . . . . . 2012--2039 S. V. Ludkowski Completions and homomorphisms of infinite dimensional Cayley--Dickson algebras . . . . . . . . . . . . . . . . 2040--2049 S. A. Katre and Kshipra Wadikar Matrices over noncommutative rings as sums of $k$ th powers . . . . . . . . . 2050--2058 M. T. Garayev and H. Guediri and M. Gürdal and G. M. Alsahli On some problems for operators on the reproducing kernel Hilbert space . . . . 2059--2077 Lu Lu and Qiongxiang Huang Distance eigenvalues of $ B(n, k) $ . . 2078--2092 Juan Zhang and Shifeng Li On the Hermitian positive definite solution and Newton's method for a nonlinear matrix equation . . . . . . . 2093--2114 Benjamin Lovitz On decomposable correlation matrices . . 2115--2129 Chun-Mei Li and Lin-Zhang Lu and Zhen Chen Iterative algorithm for the $Q$-weighted nonnegative matrix factorization . . . . 2130--2142 A. E. Guterman and A. M. Maksaev Upper bounds on scrambling index for non-primitive digraphs . . . . . . . . . 2143--2168
Deke Zhao A super Frobenius formula for the characters of cyclotomic Hecke algebras 2169--2186 Simion Breaz Left comorphic matrix rings . . . . . . 2187--2191 Hamid Reza Moradi and Mohammad Sababheh Eigenvalue inequalities for $n$-tuple of matrices . . . . . . . . . . . . . . . . 2192--2203 M. R. Jabbarzadeh and H. Emamalipour On the dilation of a conditional operator . . . . . . . . . . . . . . . . 2204--2219 Anuradha S. Garge Matrices over commutative rings as sums of fifth and seventh powers of matrices 2220--2227 Izzat Qaralleh and Farrukh Mukhamedov Volterra evolution algebras and their graphs . . . . . . . . . . . . . . . . . 2228--2244 Xiaofeng Chen and Jianlong Chen Right core inverses of a product and a companion matrix . . . . . . . . . . . . 2245--2263 Jing Li and Han Hai On some inequalities for the fan product of matrices . . . . . . . . . . . . . . 2264--2273 Guanglong Yu and Yarong Wu and Mingqing Zhai Further results on the least $Q$-eigenvalue of a graph with fixed domination number . . . . . . . . . . . 2274--2287 Gurmail Singh Bialgebra structures on table algebras 2288--2314 Kevin Campbell and Minh Nguyen and Rudi Weikard On the spectral theory for first-order systems without the unique continuation property . . . . . . . . . . . . . . . . 2315--2323 Yanling Fu and Wei Zhang Operator characterizations and constructions of continuous $g$-frames in Hilbert spaces . . . . . . . . . . . 2324--2339 Ali Taghavi and Tahere Azimi Roushan On a generalization of an approximation operator defined by A. Guessab . . . . . 2340--2352
Pascal Koiran Orthogonal tensor decomposition and orbit closures from a linear algebraic perspective . . . . . . . . . . . . . . 2353--2388 Begoña Cantó and Rafael Cantó and Ana M. Urbano All Jordan canonical forms of irreducible totally non-negative matrices . . . . . . . . . . . . . . . . 2389--2409 Long Wang and Dijana Mosi\'c The one-sided inverse along two elements in rings . . . . . . . . . . . . . . . . 2410--2422 A. Alhevaz and M. Baghipur and Hilal A. Ganie and S. Pirzada Brouwer type conjecture for the eigenvalues of distance signless Laplacian matrix of a graph . . . . . . 2423--2440 Albert Compta and Josep Ferrer and Marta Peña State canonical form for a class of uncontrollable linear systems . . . . . 2441--2468 Wei Wei and Shuchao Li and Hongping Ma Bounds on the nullity, the $H$-rank and the Hermitian energy of a mixed graph 2469--2490 Hongxing Wang and Ning Li and Xiaoji Liu The $ \mathfrak {m} $-core inverse and its applications . . . . . . . . . . . . 2491--2509 M. Contino and M. E. Di Iorio y Lucero and G. Fongi Global solutions of approximation problems in Hilbert spaces . . . . . . . 2510--2526 Hiranmoy Pal Quantum state transfer on a class of circulant graphs . . . . . . . . . . . . 2527--2538 André Pierro de Camargo and Gabriel Haeser A note on linearly dependent symmetric matrices . . . . . . . . . . . . . . . . 2539--2545
Weige Xi and Wasin So and Ligong Wang On the distance spectral radius of digraphs with given diameter . . . . . . 2547--2557 Xiangxiang Liu and Ligong Wang and Xihe Li Distance spectral radii of $k$-uniform hypertrees with given parameters . . . . 2558--2571 Yongxin Yuan and Lei Zhou and Jinghua Chen An inverse quadratic eigenvalue problem for damped gyroscopic systems . . . . . 2572--2585 Fernando Montaner and Irene Paniello PI theory for associative pairs . . . . 2586--2606 Fouzul Atik and M. Rajesh Kannan and Ravindra B. Bapat On distance and Laplacian matrices of trees with matrix weights . . . . . . . 2607--2619 Hayden Julius On maps preserving Lie products equal to $ e_{11} - e_{22} $ . . . . . . . . . . 2620--2628 Chi-Keung Ng and ZhaoLin Yao Property $T$ for non-unital $C$ *-crossed products . . . . . . . . . . . 2629--2640 Kauê Cardoso and Vilmar Trevisan Principal eigenvectors of general hypergraphs . . . . . . . . . . . . . . 2641--2656 Martin Z. Ljubenovi\'c and Dragan S. Raki\'c and Dragan S. Djordjevi\'c Linear preservers of DSS-weak majorization on discrete Lebesgue space, when $I$ is an infinite set . . . . . . 2657--2673 Li Su and Liying Kang and Honghai Li and Erfang Shan The second largest spectral radii of uniform hypertrees with given size of matching . . . . . . . . . . . . . . . . 2674--2701 Muhammad Ahsan Khan and Dan Timotin Algebras of block Toeplitz matrices with commuting entries . . . . . . . . . . . 2702--2716 Francesco Belardo and Maurizio Brunetti and Matteo Cavaleri and Alfredo Donno Constructing cospectral signed graphs 2717--2732 Silvestru Sever Dragomir Operator Schur convexity and some integral inequalities . . . . . . . . . 2733--2748
Kennett L. Dela Rosa and Hugo J. Woerdeman Location of Ritz values in the numerical range of normal matrices . . . . . . . . 2749--2778 Jinchuan Hou and Qingsen Xu Preservers of radial unitary similarity functions on Lie products of self-adjoint operators . . . . . . . . . 2779--2805 Runling An and Yaru Cai Derivations and derivable maps on von Neumann algebras . . . . . . . . . . . . 2806--2812 Ahlem Benmakhlouf and Omar Hirzallah and Fuad Kittaneh On the $p$-numerical radii of Hilbert space operators . . . . . . . . . . . . 2813--2829 Benjamín A. Itzá-Ortiz and Rubén A. Martínez-Avendaño and Hiroshi Nakazato The numerical range of some periodic tridiagonal operators is the convex hull of the numerical ranges of two finite matrices . . . . . . . . . . . . . . . . 2830--2849 L. Golinskii Spectra of comb graphs with tails . . . 2850--2864 Jinhua Huang and Cong Wang and Haohao Li EA solutions and EA solvability to general interval linear systems . . . . 2865--2881 Nahid Gharakhanlu Norm inequalities involving operator monotone functions . . . . . . . . . . . 2882--2887 Messaoud Guesba and El Moctar Ould Beiba and Sid Ahmed Ould Ahmed Mahmoud Joint $A$-hyponormality of operators in semi-Hilbert spaces . . . . . . . . . . 2888--2907 Mengfan Liang and Mengyao Hu and Yize Sun and Lin Chen and Xiaoyu Chen Real entries of complex Hadamard matrices and mutually unbiased bases in dimension six . . . . . . . . . . . . . 2908--2925 Abderrahim Baghdad and Mohamed Chraibi Kaadoud A new class intermediate between hyponormal operators and normaloid operators . . . . . . . . . . . . . . . 2926--2932 Yuki Nishida and Kohei Sato and Sennosuke Watanabe A min-plus analogue of the Jordan canonical form associated with the basis of the generalized eigenspace . . . . . 2933--2943
Fawad Ali and Yongjin Li The connectivity and the spectral radius of commuting graphs on certain finite groups . . . . . . . . . . . . . . . . . 2945--2958 Abdullah Alazemi and Milica Andeli\'c and Tamara Koledin and Zoran Stani\'c Eigenvalue-free intervals of distance matrices of threshold and chain graphs 2959--2975 Dijana Mosi\'c Core-EP inverses in Banach algebras . . 2976--2989 Injo Hur and Ji Eun Lee Numerical ranges of conjugations and antilinear operators . . . . . . . . . . 2990--2997 Arup Chattopadhyay and Debmalya Sain and Tanusri Senapati Characterization of symmetric points in $ l_p^n$-spaces . . . . . . . . . . . . 2998--3009 Debmalya Sain Smoothness and norm attainment of bounded bilinear operators between Banach spaces . . . . . . . . . . . . . 3010--3018 Qian-yu Shu and Xue-ping Wang and Lei Qiao Extension of free sets over commutative semirings . . . . . . . . . . . . . . . 3019--3030 Yogesh Kapil and Rupinderjit Kaur and Mandeep Singh On a question of Bhatia, Friedland and Jain . . . . . . . . . . . . . . . . . . 3031--3042 Léi-Xi\uao-Qiáng $ \alpha_\beta \Omega $-inclusion sets for general $C$-eigenvalues of a general piezoelectric-type tensor . . . . . . . 3043--3068 Zhuo-Heng He Some new results on a system of Sylvester-type quaternion matrix equations . . . . . . . . . . . . . . . 3069--3091 Louisa Catalano and Megan Chang-Lee On maps preserving rank-one nilpotents 3092--3098 Zine El Abidine Abdelali and Bouchra Aharmim Multiplicatively spectrum preserving maps on rectangular matrices . . . . . . 3099--3111 Nicola Maletesta and Pilar Páez-Guillán and Salvatore Siciliano Restricted Lie algebras having a distributive lattice of restricted subalgebras . . . . . . . . . . . . . . 3112--3120 Milica Andeli\'c and Carlos M. da Fonseca Some determinantal considerations for pentadiagonal matrices . . . . . . . . . 3121--3129 Shavkat Ayupov and Karimbergen Kudaybergenov and Baxtiyor Yusupov 2-Local derivations on generalized Witt algebras . . . . . . . . . . . . . . . . 3130--3140
R. Rajkumar and R. Pavithra Spectra of $M$-rooted product of graphs 1--26 G. Krishna Kumar and S. H. Kulkarni Condition pseudospectral radius of bounded linear operators . . . . . . . . 27--41 Zerui Zhang and Yuqun Chen and Bing Yu No dialgebra has Gelfand--Kirillov dimension strictly between 1 and 2 . . . 42--52 Huanyin Chen and Marjan Sheibani The $g$-Drazin inverse of the sum in Banach algebras . . . . . . . . . . . . 53--65 Joilson Ribeiro and Fabricio Santos and Ewerton R. Torres Coherence and compatibility: a stronger approach . . . . . . . . . . . . . . . . 66--80 Tushar D. Parulekar and Sharad S. Sane Some results on the Ryser design conjecture --- II . . . . . . . . . . . 81--90 B. Alfaro Arancibia and M. A. Alvarez and Y. Anza Degenerations of graph Lie algebras . . 91--100 Abdelkader Ben Hassine and Sami Mabrouk and Othmen Ncib 3-BiHom--Lie superalgebras induced by BiHom--Lie superalgebras . . . . . . . . 101--121 Predrag S. Stanimirovi\'c and Dijana Mosi\'c and Haifeng Ma New classes of more general weighted outer inverses . . . . . . . . . . . . . 122--147 Yury Volkov Anticommutative Engel algebras of the first five levels . . . . . . . . . . . 148--175
E. Erdogan Factorization of multilinear operators defined on products of function spaces 177--202 Haifeng Ma Displacement structure of the core inverse . . . . . . . . . . . . . . . . 203--214 Chunhong Fu and Chuanning Song and Guorong Wang and Qingxiang Xu Norm estimations for the Moore--Penrose inverse of the weak perturbation of matrices . . . . . . . . . . . . . . . . 215--237 Chao Xia and Xi Wang Tropical Vandermonde matrices . . . . . 238--249 Hosoo Lee and Jie Meng On the nonlinear matrix equation $ X^p = A \#_t(M^T(X^{-1} + B)^{-1} M) $ . . . . 250--263 Marek Niezgoda On Maligranda like inequalities for $G$-majorization . . . . . . . . . . . . 264--279 R. Campoamor-Stursberg and F. Oviaño García Algorithmic construction of solvable rigid Lie algebras determined by generating functions . . . . . . . . . . 280--296 Laura Cossu and Paolo Zanardo Idempotent factorizations of singular $ 2 \times 2 $ matrices over quadratic integer rings . . . . . . . . . . . . . 297--309 S. Akbari and A. H. Ghodrati and M. A. Hosseinzadeh and V. V. Kabanov and E. V. Konstantinova and L. V. Shalaginov Spectra of Deza graphs . . . . . . . . . 310--321 Feng Xu and Dein Wong and Fenglei Tian Automorphism group of the intersection graph of ideals over a matrix ring . . . 322--330 Luisa M. Camacho and Iqboljon Karimjanov and Ivan Kaygorodov and Abror Khudoyberdiyev One-generated nilpotent Novikov algebras 331--365 Dongmei Li and Jinwang Liu and Delin Chu The Smith form of a multivariate polynomial matrix over an arbitrary coefficient field . . . . . . . . . . . 366--379 Harm Derksen and Visu Makam Highly entangled tensors . . . . . . . . 380--393
Mohammad Reza Jabbarzadeh and Venus Kaleibary Inequalities for accretive-dissipative block matrices involving convex and concave functions . . . . . . . . . . . 395--410 Kezheng Zuo and Dragana Cvetkovi\'c Ili\'c and Yingjie Cheng Different characterizations of DMP-inverse of matrices . . . . . . . . 411--418 Mahmood Pourgholamhossein and Mohammad Rouzbehani and Massoud Amini On finiteness properties of Noetherian (Artinian) $ C^* $-algebras . . . . . . 419--430 Michael P. Drazin EP properties of $ (b, c)$-invertible matrices . . . . . . . . . . . . . . . . 431--437 Houshan Fu and Zhousheng Mei Truncated homogeneous symmetric functions . . . . . . . . . . . . . . . 438--448 Lei Cao and Darian McLaren and Sarah Plosker Centrosymmetric stochastic matrices . . 449--464 Shoulan Gao and Yufeng Pei and Haiying Wang Derivations of the nongraded Witt algebra with coefficients in tensor modules . . . . . . . . . . . . . . . . 465--489 Alisa Chistopolskaya On nilpotent generators of the symplectic Lie algebra . . . . . . . . . 490--496 Fang Duan The inertia indices of a signed graph in terms of the inertia indices of its underlying graph . . . . . . . . . . . . 497--510 Yuki Numazawa and Takashi Sano Conditional negativity of Kwong matrices II . . . . . . . . . . . . . . . . . . . 511--516 Farzaneh Ramezani Some regular signed graphs with only two distinct eigenvalues . . . . . . . . . . 517--530 Ratikanta Behera and Jajati Keshari Sahoo Generalized inverses of Boolean tensors via the Einstein product . . . . . . . . 531--556 Peng Lv and Bing Zheng Perturbation analysis for the $ Q X $ factorization for centrosymmetric matrices . . . . . . . . . . . . . . . . 557--580
Aymen Ammar and Aref Jeribi and Nawrez Lazrag Pseudo $S$-spectrum in a right quaternionic Hilbert space . . . . . . . 581--605 Imen Ferjani and Aref Jeribi and Bilel Krichen Spectral properties for generalized weakly $S$-demicompact operators . . . . 606--624 D. I. Vladeva Derivations of upper triangular matrix semirings . . . . . . . . . . . . . . . 625--641 Victor Bovdi and Bohdan Zabavsky Reduction of matrices over simple Ore domains . . . . . . . . . . . . . . . . 642--649 Avinash Kulkarni Solving $p$-adic polynomial systems via iterative eigenvector algorithms . . . . 650--671 Jovana Milosevi\'c Algebraic conditions for the solvability of system of three linear equations in a ring . . . . . . . . . . . . . . . . . . 672--688 Wenchang Chu Multifold inverse series relations and multivariate derivative identities . . . 689--704 Raimund Preusser On general linear groups over exchange rings . . . . . . . . . . . . . . . . . 705--713 Vasilis Chasiotis and Katerina Pericleous and Christos Koukouvinos and Stratis Kounias On optimality and construction of row designs under dependence for estimating means . . . . . . . . . . . . . . . . . 714--729 A. E. Choque-Rivero Three-term recurrence relation coefficients and continued fractions related to orthogonal matrix polynomials on the finite interval $ [a, b] $ . . . 730--749 Krushnachandra Panigrahy and Debasisha Mishra Extension of Moore--Penrose inverse of tensor via Einstein product . . . . . . 750--773
Xiaodan Chen A note on the $ A B C $ spectral radius of graphs . . . . . . . . . . . . . . . 775--786 R. Balaji and R. B. Bapat and Shivani Goel Resistance matrices of balanced directed graphs . . . . . . . . . . . . . . . . . 787--808 Xiusheng Liu and Hualu Liu and Long Yu New binary and ternary LCD codes from matrix-product codes . . . . . . . . . . 809--823 S. A. Katre and Deepa Krishnamurthi Matrices over non-commutative rings as sums of powers . . . . . . . . . . . . . 824--829 Xunxiang Guo and Yonghong Chen On some operators and dilations of frame generator and dual pair of frame generators of two structured unitary systems . . . . . . . . . . . . . . . . 830--842 Shahid Zaman and Xiaocong He Relation between the inertia indices of a complex unit gain graph and those of its underlying graph . . . . . . . . . . 843--877 Hassane Abbas and Mohammad M. Ghabries More results related to geometric mean and singular values for matrices . . . . 878--887 Debmalya Sain and Saikat Roy and Satya Bagchi and Vitor Balestro A study of symmetric points in Banach spaces . . . . . . . . . . . . . . . . . 888--898 Geraldo Botelho and Leodan A. Torres Factorization and coincidence theorems for generalized adjoints . . . . . . . . 899--908 André Pierro de Camargo and Felipe da Silva Alves Replacing minors by linear functions and products in the Cauchy--Sylvester compound and adjugate determinants . . . 909--918 Fumio Hiroshima and Zahriddin Muminov and Utkir Kuljanov Threshold of discrete Schrödinger operators with delta potentials on $n$-dimensional lattice . . . . . . . . 919--954 Lei Cao and Zhi Chen and Qiang Li and Huilan Li Symmetric and Hankel-symmetric transportation polytopes . . . . . . . . 955--973 Gilles Cassier and Mohammed Benharrat Harnack parts for some truncated shifts 974--992 Anonymous Corrigendum to `Degenerations of Zinbiel and nilpotent Leibniz algebras' . . . . 993--995
Aamir Farooq and Mahvish Samar Sensitivity analysis for the generalized Cholesky block downdating problem . . . 997--1022 Yipeng Li and Xiaogang Liu and Shenggui Zhang Laplacian state transfer in edge coronas 1023--1046 Micha\l Góra Results on the Schur stability of the Hadamard powers and the Hadamard product of complex polynomials . . . . . . . . . 1047--1054 Maxim Goncharov and Vsevolod Gubarev Rota--Baxter operators of nonzero weight on the matrix algebra of order three . . 1055--1080 Yanzhen Zhang and Ying Li and Hong Zhao and Jianli Zhao and Gang Wang Least-squares bihermitian and skew bihermitian solutions of the quaternion matrix equation $ A X B = C $ . . . . . 1081--1095 Lingsheng Meng New additive perturbation bounds of the Moore--Penrose inverse . . . . . . . . . 1096--1101 Xiao-Song Peng and Yi Zhang and Xing Gao and Yan-Feng Luo Universal enveloping of (modified) $ \lambda $-differential Lie algebras . . 1102--1127 Shu-Guang Guo and Rong Zhang Maximizing the least $Q$-eigenvalue of a unicyclic graph with perfect matchings 1128--1145 Saihua Liu and Chen Ouyang and Jianping Ou Sufficient conditions for optimally and super $m$-restricted edge-connected graphs with given girth . . . . . . . . 1146--1158 Yang Chen and Kaiming Zhao and Yueqiang Zhao Local derivations on Witt algebras . . . 1159--1172 Mohammed Al-Dolat and Imad Jaradat and Baráa Al-Husban A novel numerical radius upper bounds for $ 2 \times 2 $ operator matrices . . 1173--1184 Yan Liu and Jin Yan Note on distance signless Laplacian spectral radius under given matching number . . . . . . . . . . . . . . . . . 1185--1190 Anonymous Correction: Equivalence classes of $e$-matrices and associated eigenvalue localization regions . . . . . . . . . . 1191--1191
Liang Zhao and Cang Wu and Yao Wang One-sided central Drazin inverses . . . 1193--1206 Shinya Miyajima Verified computation of matrix gamma function . . . . . . . . . . . . . . . . 1207--1229 Huimin Chen and Xiaofei Qi Multiplicative Lie derivations on triangular $n$-matrix rings . . . . . . 1230--1251 Saijie Chen and Yayuan Zhao and Lanping Zhu and Qianglian Huang Regular factorizations and group inverses of linear operators in Banach spaces . . . . . . . . . . . . . . . . . 1252--1270 Zhiwei Song and Lin Chen On the zero entries in a unitary matrix 1271--1280 Tao Cheng and Lihua Feng and Weijun Liu and Lu Lu and Dragan Stevanovi\'c Distance powers of integral Cayley graphs over dihedral groups and dicyclic groups . . . . . . . . . . . . . . . . . 1281--1290 Elizaveta A. Kalinina and Yurii A. Smol'kin and Alexei Yu. Uteshev Stability and distance to instability for polynomial matrix families. Complex perturbations . . . . . . . . . . . . . 1291--1314 Rongfang Li and Deyu Wu and Alatancang Chen On the geometry of the quadratic numerical range for $ 2 \times 2 $ block operator matrices . . . . . . . . . . . 1315--1328 Ivan Chajda and Helmut Länger Semimodules over commutative semirings and modules over unitary commutative rings . . . . . . . . . . . . . . . . . 1329--1344 Lingsheng Meng and Yuwen He and Shu-Xin Miao Structured backward errors for two kinds of generalized saddle point systems . . 1345--1355 Yan Liu and Yuming Shi Stability of deficiency indices of Hermitian subspaces under relatively bounded perturbations . . . . . . . . . 1356--1368 Matej Bresar and Victor S. Shulman On, around, and beyond Frobenius' theorem on division algebras . . . . . . 1369--1381 Shengjie He and Rong-Xia Hao and Aimei Yu Bounds for the rank of a complex unit gain graph in terms of the independence number . . . . . . . . . . . . . . . . . 1382--1402
Xingyuan Zeng Spectrum of large Euclidean random matrices generated from $ l_p $ ellipsoids . . . . . . . . . . . . . . . 1403--1422 Lijun Zhao Linear constraint problem of Hermitian unitary symplectic matrices . . . . . . 1423--1441 Trung Hoa Dinh and Raluca Dumitru and Jose A. Franco On the matrix Heron means and Rényi divergences . . . . . . . . . . . . . . 1442--1450 Xueyi Huang and Huiqiu Lin On graphs with three distinct signless Laplacian eigenvalues . . . . . . . . . 1451--1466 Rudra Narayan Padhan and Saudamini Nayak On capability and the Schur multiplier of some nilpotent Lie superalgebras . . 1467--1478 Luisa M. Camacho and Iqboljon Karimjanov and Ivan Kaygorodov and Abror Khudoyberdiyev Central extensions of filiform Zinbiel algebras . . . . . . . . . . . . . . . . 1479--1495 Deepa Sinha and Anita Kumari Rao Embedding of sign-regular signed graphs and its spectral analysis . . . . . . . 1496--1512 Wende Liu and Mengmeng Cai On ID*-superderivations of Lie superalgebras . . . . . . . . . . . . . 1513--1525 Yanyan Du and Junjie Huang Spectral property of upper triangular relation matrices . . . . . . . . . . . 1526--1542 Sai-Nan Zheng and Xi Chen and Lily Li Liu and Yi Wang Inertia indices and eigenvalue inequalities for Hermitian matrices . . 1543--1552 L. Campa and R. Peniche and G. Salgado Lie superalgebras based on Heisenberg Lie algebras . . . . . . . . . . . . . . 1553--1562 Bakytzhan Kurmanbek and Yerlan Amanbek and Yogi Erlangga A proof of Andeli\'c--Fonseca conjectures on the determinant of some Toeplitz matrices and their generalization . . . . . . . . . . . . . 1563--1570 Ji-Hwan Jung and Suh-Ryung Kim and Bumtle Kang and Gi-Sang Cheon Exponents of primitive directed Toeplitz graphs . . . . . . . . . . . . . . . . . 1571--1589 Z. Moosavianfard and M. Abolghasemi and Y. Tolooei Invertibility of generalized $g$-frame multipliers in Hilbert spaces . . . . . 1590--1609
Yun-Zhang Li and Tufail Hussain The formation and portraits of subspace $ F_a $-frames . . . . . . . . . . . . . 1610--1630 Wensheng Cao and Zhenhu Chang The Moore--Penrose inverses of split quaternions . . . . . . . . . . . . . . 1631--1647 Lele Liu and Linyuan Lu The $ \alpha $-normal labelling method for computing the $p$-spectral radii of uniform hypergraphs . . . . . . . . . . 1648--1672 A. E. Teretenkov Symplectic analogs of polar decomposition and their applications to bosonic Gaussian channels . . . . . . . 1673--1681 Cun Wang and Jiayin Zhao and Sen Zhu Remarks on the structure of $C$-normal operators . . . . . . . . . . . . . . . 1682--1696 Nihan Baydar Yarbil and Vincenzo De Filippis Commuting product of generalized derivations on multilinear polynomials in prime rings . . . . . . . . . . . . . 1697--1716 Stephen E. Wright Triangular idempotent matrices over a general ring . . . . . . . . . . . . . . 1717--1731 LeRoy B. Beasley and Seok-Zun Song Minimum-rank and maximum-nullity of graphs and their linear preservers . . . 1732--1743 Liang Kong and Jianhua Zhang and Tong Ning Bilocal Lie derivations on nest algebras 1744--1767 Shuchao Li and Ting Yang On the relation between the adjacency rank of a complex unit gain graph and the matching number of its underlying graph . . . . . . . . . . . . . . . . . 1768--1787 Chao Xia and Xi Wang Total strong common multiplicity of two matrices and Sylvester resultant . . . . 1788--1797 Ranjit Mehatari and M. Rajesh Kannan and Aniruddha Samanta On the adjacency matrix of a complex unit gain graph . . . . . . . . . . . . 1798--1813
Marzieh Dehghani-Madiseh Fast enclosing the solution set of the parametric Sylvester matrix equations 1814--1830 Yun Miao and Yimin Wei and Zhen Chen Fourth-order tensor Riccati equations with the Einstein product . . . . . . . 1831--1853 Yanhua Cao and Shuchao Li and Baogen Xu Explicit determination of three invariants associated with random walks on $n$-prism networks . . . . . . . . . 1854--1870 Meysam Rezagholibeigi and Ghodratollah Aalipour and Ali Reza Naghipour On the spectrum of the closed unit graphs . . . . . . . . . . . . . . . . . 1871--1885 Rachid Marsli and Frank J. Hall Some properties of ergodicity coefficients with applications in spectral graph theory . . . . . . . . . 1886--1906 Yong Lu Some generalizations of spectral conditions for $ 2 s$-hamiltonicity and $ 2 s$-traceability of bipartite graphs 1907--1927 Alexander Farrugia and Tamara Koledin and Zoran Stani\'c Controllability of NEPSes of graphs . . 1928--1941 Qing-Wen Wang and Ru-Yuan Lv and Yang Zhang The least-squares solution with the least norm to a system of tensor equations over the quaternion algebra 1942--1962 Norio Konno and Hideo Mitsuhashi and Hideaki Morita and Iwao Sato The trace formula with respect to the Grover matrix of a graph . . . . . . . . 1963--1979 Lais S. da Fonseca and Ednei A. Santulo, Jr. and Felipe Y. Yasumura Degree-inverting involution on full square and triangular matrices . . . . . 1980--1994 Pintu Bhunia and Kallol Paul Some improvements of numerical radius inequalities of operators and operator matrices . . . . . . . . . . . . . . . . 1995--2013
Oskar Maria Baksalary and Götz Trenkler On matrices whose Moore--Penrose inverse is idempotent . . . . . . . . . . . . . 2014--2026 Raffaella Cilia and Joaquín M. Gutiérrez Riesz-representable multilinear mappings 2027--2046 Hyung Won Kim and Jaewoong Kim and Jasang Yoon Spherical Aluthge transform, spherical $p$ and $ \log $-hyponormality of commuting pairs of operators . . . . . . 2047--2064 Ali Bayati Eshkaftaki Minimal completion of $ I \times I $ doubly substochastic matrices . . . . . 2065--2077 Majid Arezoomand Normalized Laplacian polynomial of $n$-Cayley graphs . . . . . . . . . . . 2078--2087 Ljiljana Arambasi\'c and Anda Valent On a relation related to strong Birkhoff--James orthogonality . . . . . 2088--2096 Salima Ghribi and Nader Jeridi and Rchid Rabaoui On $ (A, m) $-isometric commuting tuples of operators on a Hilbert space . . . . 2097--2116 Abdullah Bin Abu Baker and Fernanda Botelho Numerical index of vector-valued function spaces . . . . . . . . . . . . 2117--2126 Huihui Zhang and Shuchao Li Extremal hitting times of trees with some given parameters . . . . . . . . . 2127--2149 Saieed Akbari and Jalal Askari and Kinkar Chandra Das Some properties of eigenvalues of the Seidel matrix . . . . . . . . . . . . . 2150--2161 Fereshteh Sady and Masoumeh Najafi Tavani Additive jointly separating maps and ring homomorphisms . . . . . . . . . . . 2162--2177 J. T. Chan and C. K. Li and Y. T. Poon Closedness of the $k$-numerical range 2178--2186 Lu Lu and Qiongxiang Huang and Lihua Feng On 2-equitable graphs . . . . . . . . . 2187--2197 Fuat Usta and Ömür Betus A new modification of Gamma operators with a better error estimation . . . . . 2198--2209
Silvestru Sever Dragomir Some inequalities for analytic functions in Banach algebras . . . . . . . . . . . 2211--2226 Fernando Pablos Romo On $G$-Drazin inverses of finite potent endomorphisms and arbitrary square matrices . . . . . . . . . . . . . . . . 2227--2247 Weige Xi and Wasin So and Ligong Wang On the $ A_\alpha $ spectral radius of digraphs with given parameters . . . . . 2248--2263 B. P. Duggal and I. H. Kim Left $m$-invertibility by the adjoint of Drazin inverse and $m$-selfadjointness of Hilbert spaces . . . . . . . . . . . 2264--2277 Chunhong Fu and Mohammad Sal Moslehian and Qingxiang Xu and Ali Zamani Generalized parallel sum of adjointable operators on Hilbert $ C^* $*-modules 2278--2296 Vaibhav Shekhar and Chinmay Kumar Giri and Debasisha Mishra A note on double weak splittings of type II . . . . . . . . . . . . . . . . . . . 2297--2317 Pei-Chang Guo and Qiang Ye On the regularization of convolutional kernel tensors in neural networks . . . 2318--2330 Lorenzo Ciardo and Geir Dahl and Steve Kirkland On Kemeny's constant for trees with fixed order and diameter . . . . . . . . 2331--2353 Xingping Sheng and Dawei Xin Methods of Gauss--Jordan elimination to compute core inverse and dual core inverse . . . . . . . . . . . . . . . . 2354--2366 Sepide Hajighasemi and Shirin Hejazian Maps preserving some spectral domains of operator products . . . . . . . . . . . 2367--2381 Youngkwon Song Construction of commutative number systems . . . . . . . . . . . . . . . . 2382--2396 Cheng-Kai Liu and Yuan-Tsung Tsai Derivations with annihilator conditions on multilinear polynomials . . . . . . . 2397--2413
O. V. Lyubimtsev and A. A. Tuganbaev Local centrally essential subalgebras of triangular algebras . . . . . . . . . . 2415--2424 Lee DeVille The generalized distance spectrum of a graph and applications . . . . . . . . . 2425--2458 P. W. Ng Remarks on the extension group for purely infinite corona algebras . . . . 2459--2504 Feifei Miao and Xiao Wang and Lei Li and Liguang Wang Two-local isometries on vector-valued differentiable functions . . . . . . . . 2505--2512 Rong Ma and Yongge Tian A matrix approach to a general partitioned linear model with partial parameter restrictions . . . . . . . . . 2513--2532 Slavisa V. Djordjevi\'c and Jaewoong Kim and Jasang Yoon Spectra of the spherical Aluthge transform, the linear pencil, and a commuting pair of operators . . . . . . 2533--2550 David A. Towers Abelian subalgebras and ideals of maximal dimension in supersolvable and nilpotent lie algebras . . . . . . . . . 2551--2568 Fengxia Zhang and Musheng Wei and Ying Li and Jianli Zhao An efficient method for least-squares problem of the quaternion matrix equation $ X - A \hat {X} B = C $ . . . 2569--2581 Qilong Liu and Jianfeng He and Lei Gao and Chaoqian Li Note on subdirect sums of SDD($p$) matrices . . . . . . . . . . . . . . . . 2582--2601 Marija Dodig and Marko Stosi\'c A new approach to square matrix completion problem . . . . . . . . . . . 2602--2610 Yanpeng Zheng and Xiaoyu Jiang and Xiaoting Chen and Ancai Zhang and Fawaz Alsaadi Means and the Schur complement of sector matrices . . . . . . . . . . . . . . . . 2611--2617
M. Torabian and M. Amyari and M. Moradian Khibary More on $ \omega $-orthogonalities and $ \omega $-parallelism . . . . . . . . . . 2619--2628 De-Yin Zheng and Ilker Akkus and Gonca Kizilaslan The linear algebra of a Pascal-like matrix . . . . . . . . . . . . . . . . . 2629--2641 Fereshteh Bahadorykhalily Multivariate Hasse--Schmidt derivation on exterior algebras . . . . . . . . . . 2642--2658 Zhengxin Chen and Yalong Yu Biderivations and strong commutativity-preserving maps on parabolic subalgebras of simple Lie algebras . . . . . . . . . . . . . . . . 2659--2671 Nirmal Chandra Rout and Satyajit Sahoo and Debasisha Mishra On $A$-numerical radius inequalities for $ 2 \times 2 $ operator matrices . . . . 2672--2692 Lei Liu On nonlinear Lie centralizers of generalized matrix algebras . . . . . . 2693--2705 Guo Cheng and Ji-Cheng Li Class of Uzawa--NPHSS iteration method for solving nonsingular and singular saddle point problems . . . . . . . . . 2706--2738 Saira Hameed and Uzma Ahmad Inverse of the adjacency matrices and strong anti-reciprocal eigenvalue property . . . . . . . . . . . . . . . . 2739--2764 Debajit Kalita and Kuldeep Sarma Inverses of non-bipartite unicyclic graphs with a unique perfect matching 2765--2781 Seth Gerberding and Nida Obatake and Anne Shiu Identifiability of linear compartmental models: the effect of moving inputs, outputs, and leaks . . . . . . . . . . . 2782--2803 Antonio J. Calderón Martín and Babacar Gaye Fine decompositions of algebraic systems induced by bases . . . . . . . . . . . . 2804--2817
S. Pirzada and H. A. Ganie and A. Alhevaz and M. Baghipur On spectral spread of generalized distance matrix of a graph . . . . . . . 2819--2835 Rafic Nader and Bassam Mourad and Hassan Abbas and Alain Bretto On the positive semi-definite $p$ th roots of positive semi-definite doubly stochastic matrices . . . . . . . . . . 2836--2855 Hau-Wen Huang Finite-dimensional irreducible modules of the universal DAHA of type $ (C_1^\vee, C_1) $ . . . . . . . . . . . 2856--2883 Tiago Reis and Paula Cadavid Derivations of evolution algebras associated to graphs over a field of any characteristic . . . . . . . . . . . . . 2884--2897 Wen-Huan Wang The minimum spectral radius of the $r$-uniform supertree having two vertices of maximum degree . . . . . . . 2898--2918 Yu-Feng Yao Local derivations on the Witt algebra in prime characteristic . . . . . . . . . . 2919--2933 Steven P. Diaz and Adam Lutoborski Discrete Fourier transform tensors and their eigenvalues . . . . . . . . . . . 2934--2947 Laurian Suciu Liftings and extensions of operators in Brownian setting . . . . . . . . . . . . 2948--2965 Dominik Benkovic Lie $ \sigma $-derivations of triangular algebras . . . . . . . . . . . . . . . . 2966--2983 Xin Hou Products of commutators of symplectic involutions . . . . . . . . . . . . . . 2984--2997 Saieed Akbari and Seyran Azizi and Modjtaba Ghorbani and Xueliang Li On edge-path eigenvalues of graphs . . . 2998--3008 M. Rajesh Kannan and Shivaramakrishna Pragada On the construction of cospectral graphs for the adjacency and the normalized Laplacian matrices . . . . . . . . . . . 3009--3030
Sophia Maniscalco and Vignon Oussa Full-spark frames arising from one-parameter groups . . . . . . . . . . 3031--3053 Aleksandr P. Pozhidaev $ \Omega $-Algebras with split products 3054--3069 Xuefeng Xu New upper bounds for the spectral variation of a general matrix . . . . . 3070--3080 Xin Huang and Zhi-Wei Fang and Hai-Wei Sun and Chun-Hua Zhang A circulant preconditioner for the Riesz distributed-order space-fractional diffusion equations . . . . . . . . . . 3081--3096 Luis Medina and Macarena Trigo Bounds on the Reciprocal distance energy and Reciprocal distance Laplacian energies of a graph . . . . . . . . . . 3097--3118 Yogesh Kapil and Mandeep Singh Determinants of some special matrices 3119--3141 Yang Yang and Jiang Zhou and Changjiang Bu Equitable partition and star set formulas for the subgraph centrality of graphs . . . . . . . . . . . . . . . . . 3142--3150 Mohammad B. Asadi and Fatemeh Olyaninezhad Orthogonality preserving pairs of operators on Hilbert $ C_0 (Z) $-modules 3151--3158 Raxida Ahat and Madi Raikhan Submajorization inequalities for matrices of $ \tau $-measurable operators . . . . . . . . . . . . . . . 3159--3170 Haixing Zhu The construction of braided tensor categories from Hopf braces . . . . . . 3171--3188 J. Tao and J. Jeong and M. Seetharama Gowda Some log and weak majorization inequalities in Euclidean Jordan algebras . . . . . . . . . . . . . . . . 3189--3206 Masaru Tominaga Estimates of Ando--Hiai-type inequalities on operator power means . . 3207--3219 M. Bayat A bijective proof of generalized Cauchy--Binet, Laplace, Sylvester and Dodgson formulas . . . . . . . . . . . . 3220--3230
Kaoutar Ben Ouidren and Hassan Zariouh New approach to a-Weyl's theorem through localized SVEP and Riesz-type perturbations . . . . . . . . . . . . . 3231--3247 Madeleine Elyze and Alexander Guterman and Ralph Morrison and Klemen Sivic Higher-distance commuting varieties . . 3248--3270 Eungil Ko and YoonKyeong Lee On solutions of operator equations satisfying the similarity of real and positive parts . . . . . . . . . . . . . 3271--3286 M. Kian and M. S. Moslehian and R. Nakamoto Asymmetric Choi--Davis inequalities . . 3287--3300 Akaki Tikaradze Induced subgraphs of powers of oriented cycles . . . . . . . . . . . . . . . . . 3301--3303 Hong Huang On majorizations and singular values . . 3304--3309 Thomas Ransford and Nathan Walsh Spectral sets, extremal functions and exceptional matrices . . . . . . . . . . 3310--3318 Dijana Mosi\'c and Long Wang Left and right $G$-outer inverses . . . 3319--3344 Xinlei Wang and Dein Wong and Liangli Wei and Fenglei Tian On the multiplicity of $ - 1 $ as an eigenvalue of a tree with given number of pendant vertices . . . . . . . . . . 3345--3353 S. Pirzada and Bilal A. Rather and M. Aijaz and T. A. Chishti On distance signless Laplacian spectrum of graphs and spectrum of zero divisor graphs of $ Z_n $ . . . . . . . . . . . 3354--3369 R. Balaji and R. B. Bapat and Shivani Goel On distance matrices of wheel graphs with an odd number of vertices . . . . . 3370--3401 Adrián Rodrigo-Escudero Fine gradings and automorphism groups on associative algebras . . . . . . . . . . 3402--3418
Gabriele Steidl and Maximilian Winkler A new constrained optimization model for solving the nonsymmetric stochastic inverse eigenvalue problem . . . . . . . 3419--3448 D. E. Ferreyra and Saroj B. Malik Some new results on the core partial order . . . . . . . . . . . . . . . . . 3449--3465 Dong-O Kang and Eungil Ko and Ji Eun Lee Remarks on complex symmetric Toeplitz operators . . . . . . . . . . . . . . . 3466--3476 Arpita Mal and Subhrajit Dey and Kallol Paul Characterization of $k$-smoothness of operators defined between infinite-dimensional spaces . . . . . . 3477--3489 M. Mohammadzadeh Karizaki and D. S. Djordjevi\'c and A. Hosseini and M. Jalaeian Some results about EP modular operators 3490--3496 Hilal A. Ganie and Maryam Baghipur On the generalized adjacency spectral radius of digraphs . . . . . . . . . . . 3497--3510 F. J. García-Pacheco Convex functions on topological modules 3511--3524 Sh. A. Ayupov and F. N. Arzikulov and N. M. Umrzaqov and O. O. Nuriddinov Description of 2-local derivations and automorphisms on finite-dimensional Jordan algebras . . . . . . . . . . . . 3525--3542 Yongxin Yuan and Huiting Zhang and Lina Liu The Re-nnd and Re-pd solutions to the matrix equations $ A X = C $, $ X B = D $ . . . . . . . . . . . . . . . . . . . 3543--3552 Antonio Jesús Calderón and Amir Fernández Ouaridi and Ivan Kaygorodov On the classification of bilinear maps with radical of a fixed codimension . . 3553--3576 Yanyong Hong Central extensions and conformal derivations of a class of Lie conformal algebras . . . . . . . . . . . . . . . . 3577--3598 Xiaogang Liu and Tingzeng Wu Graphs determined by the (signless) Laplacian permanental polynomials . . . 3599--3615
Fernando Pablos Romo On the coincidence of the Drazin inverse and the Drazin--Moore--Penrose inverses 3617--3632 Chufeng Nien Characters of 2-layered Heisenberg groups . . . . . . . . . . . . . . . . . 3633--3642 Ronald Ismael Quispe Urure and Willian Franca Lie identities and images of Lie polynomials for the skew-symmetric elements of $ U T_m $ . . . . . . . . . 3643--3659 Shuaijie Wang and Xiaoyi Tian and Chunyuan Deng On the parallel addition and subtraction of operators on a Hilbert space . . . . 3660--3688 Z. Stani\'c On cospectral oriented graphs and cospectral signed graphs . . . . . . . . 3689--3701 P. Benito and J. Roldán-López Lie algebras with a finite number of ideals . . . . . . . . . . . . . . . . . 3702--3721 Dumitru Popa Multilinear variants of the Maurey factorization theorem . . . . . . . . . 3722--3733 Darij Grinberg and Zhi-Wei Sun and Lilu Zhao Proof of three conjectures on determinants related to quadratic residues . . . . . . . . . . . . . . . . 3734--3746 Tanja Eisner and Agnes Radl Embeddability of real and positive operators . . . . . . . . . . . . . . . 3747--3767 Marta Casanellas and Jesús Fernández-Sánchez and Jordi Roca-Lacostena An open set of $ 4 \times 4 $ embeddable matrices whose principal logarithm is not a Markov generator . . . . . . . . . 3768--3779 Mohamed Ayadi and Hamadi Baklouti Positive linear relation and application to domination problem. . . . . . . . . . 3780--3789 D. Pandey and K. L. Patra Different central parts of trees and their pairwise distances . . . . . . . . 3790--3802 Fawad Ali and Saba Fatima and Wei Wang On the power graphs of certain finite groups . . . . . . . . . . . . . . . . . 3803--3817 Xiaoli Deng and Chujian Lin and Chunyuan Deng The structures and properties of some generalized invertible operators . . . . 3818--3839 Ivan Kaygorodov and Mykola Khrypchenko The algebraic classification of nilpotent CD-algebras . . . . . . . . . 3840--3886 Naomi Shaked-Monderer On the number of CP factorizations of a completely positive matrix . . . . . . . 3887--3904 Debmalya Sain and Saikat Roy and Ryotaro Tanaka Level numbers of a bounded linear operator between normed linear spaces and singular value decomposition revisited . . . . . . . . . . . . . . . 3905--3922 M. V. Hernández and M. B. Lattanzi and N. Thome GDMP-inverses of a matrix and their duals . . . . . . . . . . . . . . . . . 3923--3935 Stephen E. Wright Constructing and counting regular triangular matrices . . . . . . . . . . 3936--3943 Anja Arfa and Abdelkader Ben Hassine and Sami Mabrouk Ternary Hom--Jordan algebras induced by Hom--Jordan algebras . . . . . . . . . . 3944--3968 Yan Liang and Rihuan Ke and Wen Li and Lu-Bin Cui On the extreme points of slice-stochastic tensors . . . . . . . . 3969--3981 Jie Wang Error bounds for the solution sets of generalized polynomial complementarity problems . . . . . . . . . . . . . . . . 3982--3993 Joyentanuj Das and Sumit Mohanty Distance matrix of a multi-block graph: determinant and inverse . . . . . . . . 3994--4022 Frederik vom Ende Strict positivity and $D$-majorization 4023--4048 Saijie Chen and Qianglian Huang and Lanping Zhu A continuous orbit for the generalized inverse, Moore--Penrose inverse and group inverse . . . . . . . . . . . . . 4049--4055 Peter Danchev and Esther García and Miguel Gómez Lozano Decompositions of matrices into diagonalizable and square-zero matrices 4056--4070 Chaoqian Li and Zhengyu Huang and Jianxing Zhao On Schur complements of Dashnic--Zusmanovich type matrices . . . 4071--4096 Uygun Jamilov and Manuel Ladra Evolution algebras and dynamical systems of a worm propagation model . . . . . . 4097--4116 Miao He and Jinsong Leng and Jiali Yu New properties of phase-retrievable $g$-frames and exact phase-retrievable $g$-frames . . . . . . . . . . . . . . . 4117--4132 Ruifang Liu and Hong-Jian Lai and Litao Guo and Jie Xue Fractional matching number and spectral radius of nonnegative matrices of graphs 4133--4145 Ali Jaatit A note on local spectral subspace preservers . . . . . . . . . . . . . . . 4146--4156 M. Seetharama Gowda and J. Jeong A pointwise weak-majorization inequality for linear maps over Euclidean Jordan algebras . . . . . . . . . . . . . . . . 4157--4176 Jinli Xu and Yuan Xue and Ajda Fosner Maps preserving transition probability from pure product states to pure states 4177--4190 Willian Franca and Magno Alves Linear transformations preserving algebraic elements of degree 2 . . . . . 4191--4213 Fang Duan and Weijuan Zhang Triangle-free graphs with six non-zero eigenvalues . . . . . . . . . . . . . . 4214--4227 J. Tao and G. Q. Wang and L. Kong The Araki--Lieb--Thirring inequality and the Golden--Thompson inequality in Euclidean Jordan algebras . . . . . . . 4228--4243 Wensheng Cao and Zhe Tang Some similarities classes related to $ O(2, 1) $ in split quaternions . . . . . 4244--4265 Jiao Xu and Yongxin Yuan A direct method for updating mass and stiffness matrices with submatrix constraints . . . . . . . . . . . . . . 4266--4281 Elias Faryad and Mohammad Sal Moslehian and Ali Zamani Roberts numerical radius orthogonality 4282--4296 Ismail Nikoufar A new characterization of the operator perspective . . . . . . . . . . . . . . 4297--4319 Glenn Merlet and Thomas Nowak and Sergei Sergeev On the tightness of bounds for transients of weak CSR expansions and periodicity transients of critical rows and columns of tropical matrix powers 4320--4350 Marina Tvalavadze and Ekaterina Napedenina and Qingzi Jiang Note on one family of real division algebras . . . . . . . . . . . . . . . . 4351--4359 Eungil Ko and Ji Eun Lee and Jongrak Lee $ (m, C) $-Isometric Toeplitz operators with rational symbols . . . . . . . . . 4360--4376 Desamparados Fernández-Ternero and Víctor M. Gómez-Sousa and Juan Núñez-Valdés The evolution operator of evolution algebras . . . . . . . . . . . . . . . . 4377--4396 Maria Joia and Tania Luminia Costache Operator factorization of range space relations* . . . . . . . . . . . . . . . 4397--4404 Maliheh Hosseini Reflexivity of sets of isometries on bounded variation function spaces . . . 4405--4415 Saikat Roy and Satya Bagchi Orthogonality of sesquilinear forms and spaces of operators . . . . . . . . . . 4416--4424 Mohammad Reza Oboudi On a conjecture related to the smallest signless Laplacian eigenvalue of graphs 4425--4431 Ibrahim Ahmed Al-Subaihi and Mustapha Ra\"\issouli Further inequalities involving the weighted geometric operator mean and the Heinz operator mean . . . . . . . . . . 4432--4454 Yongtao Li and Yuejian Peng An Oppenheim type inequality for positive definite block matrices . . . . 4455--4466 Zhixiang Jin and Chengbo Zhai On the nonlinear matrix equation $ X^p = A + \sum_{i = 1}^m M_i^* (B + X - 1)^{-1}M_i $ . . . . . . . . . . . . . . 4467--4482 Manuel Arenas and Alicia Labra and Irene Paniello Lotka--Volterra coalgebras . . . . . . . 4483--4497 Ahmad Al-Natoor and Fuad Kittaneh Singular value and norm inequalities for positive semidefinite matrices . . . . . 4498--4507 Jorge Delgado and Héctor Orera and J. M. Peña Characterizations and accurate computations for tridiagonal Toeplitz matrices . . . . . . . . . . . . . . . . 4508--4527 Mengmeng Zhou and Jianlong Chen and Yukun Zhou and Néstor Thome Weak group inverses and partial isometries in proper $ *$-rings . . . . 4528--4543 Shigui Li and Zhen Chen and Qilong Liu and Linzhang Lu Bounds of $M$-eigenvalues and strong ellipticity conditions for elasticity tensors . . . . . . . . . . . . . . . . 4544--4557 Jun Ji and Long Wang Construction of finite tight frames via singular value decomposition . . . . . . 4558--4567 Shuhui Gao and Yuan Li and Xiaoming Xu The star order for idempotent operators 4568--4583 Isaac Cinzori and Charles R. Johnson and Hannah Lang An explicit upper bound on disparity for trees of a given diameter . . . . . . . 4584--4596 Gui-Xian Tian and Yuan Li and Shu-Yu Cui The change of Seidel energy of tripartite Turán graph due to edge deletion . . . . . . . . . . . . . . . . 4597--4614 Kamil Brádler and Shmuel Friedland and Robert B. Israel Nonnegativity for hafnians of certain matrices . . . . . . . . . . . . . . . . 4615--4619 Yury A. Neretin On double cosets of groups $ {\rm GL}(n) $ with respect to subgroups of block strictly triangular matrices . . . . . . 4620--4632 Irene Paniello Markov evolution algebras . . . . . . . 4633--4653 Nannan Xu and Aimei Yu and Rong-Xia Hao On the distance Laplacian spectral radius of bicyclic graphs . . . . . . . 4654--4674 Ada Boralevi and Maria Lucia Fania and Emilia Mezzetti Quadric surfaces in the Pfaffian hypersurface in $ P^{14} $ . . . . . . . 4675--4694 Pasha Zusmanovich On contact brackets on the tensor product . . . . . . . . . . . . . . . . 4695--4706 Jireh Loreaux and Sasmita Patnaik Convexity of the orbit-closed $C$-numerical range and majorization . . 4707--4750 Yufei Huang and Muhuo Liu and Francesco Belardo The general spectral radii of (multicone-)graphs with prescribed degree sequence . . . . . . . . . . . . 4751--4777 Haibo Chen and Yanyong Hong and Yucai Su Tensor product modules over the twisted Heisenberg--Virasoro algebra . . . . . . 4778--4791 Juan R. Carmona and Jonnathan Rodríguez On the spectral radius and energy of digraphs . . . . . . . . . . . . . . . . 4792--4803 Yi Wang and Wang Le and Yi-Zheng Fan A spectral method to incidence balance of oriented hypergraphs and induced signed hypergraphs . . . . . . . . . . . 4804--4818 El Moctar Ould Beiba and Sid Ahmed Ould Ahmed Mahmoud On joint posinormality of operators . . 4819--4834
Danko R. Joci\'c and Dorde Krtini\'c and Milan Lazarevi\'c Extensions of the arithmetic-geometric means and Young's norm inequalities to accretive operators, with applications 4835--4875 Nefise Cezayirlio\uglu and Ça\ugri Demir Functional identities of degree 2 vanishing on zero products of $ X Y $ and $ Y X $ . . . . . . . . . . . . . . 4876--4896 Hiroyuki Osaka and Yoichi Udagawa Interpolation functions and inequalities 4897--4906 Abderrahim Baghdad and Chraibi Kaadoud Mohamed On the maximal numerical range of the bimultiplication $ M_{2, A, B} $ . . . . 4907--4914 Wolfgang Hackbusch Minimal divergence for border rank-2 tensor approximation . . . . . . . . . . 4915--4931 Milos D. Cvetkovi\'c and Dijana Mosi\'c Drazin invertibility, characterizations and structure of polynomially normal operators . . . . . . . . . . . . . . . 4932--4945 Richard A. Brualdi and Geir Dahl Diagonal sums of doubly stochastic matrices . . . . . . . . . . . . . . . . 4946--4972 Zhou Sheng and Qin Ni A generalization of inverse power method for computing eigenpairs of symmetric tensors . . . . . . . . . . . . . . . . 4973--4990 Dijana Mosi\'c and Janko Marovt Weighted weak core inverse of operators 4991--5013 Samir Kumar Hazra and Amber Habib Exact sequences in the cohomology of a Lie superalgebra extension . . . . . . . 5014--5031 Yanling Mao and Yaping Mao Popoviciu type inequalities for determinants . . . . . . . . . . . . . . 5032--5039 Prakash Ghimire Linear Lie centralizers of the algebra of dominant block upper triangular matrices . . . . . . . . . . . . . . . . 5040--5051 D. E. Ferreyra and Saroj B. Malik Core and strongly core orthogonal matrices . . . . . . . . . . . . . . . . 5052--5067 Luís Carvalho and Cristina Diogo and Sérgio Mendes A new perspective on the quaternionic numerical range of normal matrices . . . 5068--5074 Antônio Francisco Neto Matrix computations with the Omega calculus . . . . . . . . . . . . . . . . 5075--5106 Ran Gutin Generalizations of singular value decomposition to dual-numbered matrices 5107--5114 P. J. Pauwelyn and M. A. Guerry Perturbations of non-diagonalizable stochastic matrices with preservation of spectral properties . . . . . . . . . . 5115--5145 R. González Rodríguez The fundamental theorem of Hopf modules for Hopf braces . . . . . . . . . . . . 5146--5156 Haifeng Ma Characterizations and representations for the CMP inverse and its application 5157--5172 Alberto Seeger and David Sossa Vertex-removal, vertex-addition and different notions of similarity for vertices of a graph . . . . . . . . . . 5173--5192 Qianqian Chen and Qiongxiang Huang The maximal $ A_\alpha $-spectral radius of graphs with given matching number . . 5193--5206 Vesselin Drensky Idempotents of $ 2 \times 2 $ matrix rings over rings of formal power series 5207--5213 Takashi Komatsu and Norio Konno and Iwao Sato A weighted alternating zeta function of a digraph . . . . . . . . . . . . . . . 5214--5236 Ulas Yamanci and Ismail Murat Karli Further refinements of the Berezin number inequalities on operators . . . . 5237--5246 Yuqing Ji and Jianfeng Wang and Maurizio Brunetti and Ning Bian $ A_\alpha $-spectral radius and measures of graph irregularity . . . . . 5247--5267 Oliver Clarke and Fatemeh Mohammadi and Harshit J. Motwani Conditional probabilities via line arrangements and point configurations 5268--5300 Arpita Mal and Kallol Paul and Subhrajit Dey Characterization of extreme contractions through $k$-smoothness of operators . . 5301--5315 Zhibin Du and Carlos M. da Fonseca A periodic determinantal property for $ (0, 1) $ double banded matrices . . . . 5316--5328 Luis T. Magalhães Simple proof of existence of a complex eigenvalue of a complex square matrix \ldots and yet another proof of the fundamental theorem of algebra with linear algebra . . . . . . . . . . . . . 5329--5333 Mingqing Zhai and Jie Xue and Ruifang Liu An extremal problem on $Q$-spectral radii of graphs with given size and matching number . . . . . . . . . . . . 5334--5345 Fernando Pablos Romo Explicit solutions of non-homogeneous difference equations from finite potent endomorphisms . . . . . . . . . . . . . 5346--5361 Hong Huang and Zhi-Feng Zhu and Guo-Jin Xu Numerical radius inequalities for operator matrices . . . . . . . . . . . 5362--5372 Fernando Augusto Naves and Humberto Luiz Talpo Graded $A$-identities for $ M_{1, 1}(E) $ . . . . . . . . . . . . . . . . . . . 5373--5391 Joyentanuj Das and Sumit Mohanty Distance matrix of weighted cactoid-type digraphs . . . . . . . . . . . . . . . . 5392--5422 Susana Furtado and Charles R. Johnson Power normal matrices . . . . . . . . . 5423--5432 A. Boussa\"\iri and A. Cha\"\ichaâ and B. Chergui and S. Lakhlifi Generalized tournament matrices with the same principal minors . . . . . . . . . 5433--5444 Jitsupat Rattanakangwanwong and Yotsanan Meemark Eigenvalues of zero divisor graphs of principal ideal rings . . . . . . . . . 5445--5459 Sayyed Heidar Jafari and Sriparna Chattopadhyay Spectrum of proper power graphs of the direct product of certain finite groups 5460--5481 Yun-Zhang Li and Jian Dong Duality relations associated with weak $g$-$R$-duals . . . . . . . . . . . . . 5482--5501 Zur Izhakian and Manfred Knebusch Cauchy--Schwarz functions and convex partitions in the ray space of a supertropical quadratic form . . . . . . 5502--5546 Esther García and Miguel Gómez Lozano and Guillermo Vera de Salas Nilpotent superderivations in prime superalgebras . . . . . . . . . . . . . 5547--5570 Ivan Gargate and Michael Gargate Expressing upper triangular matrices as products of commutators of finite order elements . . . . . . . . . . . . . . . . 5571--5579 Wai Leong Chooi and Jian Yong Wong Commuting additive maps on tensor products of matrices . . . . . . . . . . 5580--5605 Turdebek N. Bekjan and Myrzagali N. Ospanov On Young-type inequalities of measurable operators . . . . . . . . . . . . . . . 5606--5617 Jinxing Yang and Xiaogang Liu and Ligong Wang Energies of complements of unitary one-matching bi-Cayley graphs over commutative rings . . . . . . . . . . . 5618--5633 Carlo Sanna and Jeffrey Shallit and Shun Zhang The largest entry in the inverse of a Vandermonde matrix . . . . . . . . . . . 5634--5641 Lorenz Halbeisen and Norbert Hungerbühler and Salome Schumacher and Guo Xian Yau Sets of range uniqueness for multivariate polynomials and linear functions with rank $k$ . . . . . . . . 5642--5660 Ahmed Bakhet and Fuli He and Mimi Yu On the matrix version of extended Bessel functions and its application to matrix differential equations . . . . . . . . . 5661--5680 Ali Majidinya Automorphisms of linear functional graphs over vector spaces . . . . . . . 5681--5697 Xiaoyuan Wang and Wenchang Chu Determinants with matrix entries consisting of polynomial differences . . 5698--5707 Yue Liu and Ailian Chen and Fenggen Lin Threshold function of ray nonsingularity for uniformly random ray pattern matrices . . . . . . . . . . . . . . . . 5708--5715 Dandan Wang and Xiwang Cao Pretty good state transfer on Cayley graphs over semi-dihedral groups . . . . 5716--5731 Shuchao Li and Yuantian Yu The effect on $ A_\alpha $-eigenvalues of mixed graphs and unit gain graphs by adding edges in clusters . . . . . . . . 5732--5749 Yanyan Du and Junjie Huang and Ran Huo On the range of upper triangular relation matrices . . . . . . . . . . . 5750--5769 Arnauld Mesinga Mwafise and Paul Barry Exponential Riordan arrays and Jacobi elliptic functions . . . . . . . . . . . 5770--5789 Marcos Antônio da Silva Pinto and Viviane Ribeiro Tomaz da Silva On the minimal varieties of PI-algebras graded by finite cyclic groups . . . . . 5790--5814 Mohsen Kian and Mohammad Sal Moslehian Matrix inequalities related to power means of probability measures . . . . . 5815--5826 Fatemeh Panjeh Ali Beik and Mehdi Najafi-Kalyani and Khalide Jbilou Preconditioned iterative methods for multi-linear systems based on the majorization matrix . . . . . . . . . . 5827--5846 Hamadi Baklouti and Sirine Namouri Closed operators in semi-Hilbertian spaces . . . . . . . . . . . . . . . . . 5847--5858 S. C. Li and W. T. Sun Some bounds on the $ A_\alpha $-index of connected graphs with fixed order and size . . . . . . . . . . . . . . . . . . 5859--5878 Afsaneh Shamsaki and Peyman Niroomand On the triple tensor product of nilpotent Lie algebras . . . . . . . . . 5879--5887 Riguang Huang and Baodong Zheng and Xiaoyu Song Rank decomposition and symmetric rank decomposition over arbitrary fields . . 5888--5901 Ali Bayati Eshkaftaki Increasable doubly substochastic matrices with application to infinite linear equations . . . . . . . . . . . . 5902--5912 Zakariae Aznay and Hassan Zariouh The Berkani's property and a note on some recent results . . . . . . . . . . 5913--5921 Mengyan Xie and Jiao Zhang Inequalities for arithmetic-geometric-harmonic means of sector matrices . . . . . . . . . . . . 5922--5931 José L. Vilca Rodríguez and Tauan L. A. Brandão and Victor M. O. Batista Principal angles and pairs of totally geodesic submanifolds of the real hyperbolic space . . . . . . . . . . . . 5932--5947 Bui Xuan Hai and Cao Minh Nam and Mai Hoang Bien Automorphism groups of vector spaces with generalized group identities . . . 5948--5956 Gaojun Luo and Xiwang Cao and Guangkui Xu and Yingjie Cheng Cayley graphs of dihedral groups having perfect edge state transfer . . . . . . 5957--5972 Mohammed Mouçouf and Said Zriaa A new approach for computing the inverse of confluent Vandermonde matrices via Taylor's expansion . . . . . . . . . . . 5973--5986 Xiaohui Fu and Mehmet Gumus Trace inequalities involving positive semi-definite block matrices . . . . . . 5987--5994 Jia Wei and Zhifu You and Sulin Song and Hong-Jian Lai Spectral and extremal conditions for supereulerian graphs . . . . . . . . . . 5995--6017 Ranjan Kumar Das and Rafikul Alam Structured strong linearizations of structured rational matrices . . . . . . 6018--6051
Rovshan A. Bandaliyev and Kamala H. Safarova On Hardy type inequalities in grand Lebesgue spaces $ L_p $ for $ 0 < p \leq 1 $ . . . . . . . . . . . . . . . . . . 6053--6066 Soumitra Daptari and Tanmoy Paul and T. S. S. R. K. Rao Stability of unique Hahn-Banach extensions and associated linear projections . . . . . . . . . . . . . . 6067--6083 Sania Asif and Zhixiang Wu and Mobeen Munir On the Lie triple derivations . . . . . 6084--6095 Yi Xu and Mingqing Zhai and Bing Wang An improvement of spectral conditions for Hamilton-connected graphs . . . . . 6096--6107 Guanglong Yu and Lin Sun and Hailiang Zhang and Yarong Wu 2-connected graphs with the minimum algebraic connectivity . . . . . . . . . 6108--6113 Arthur Bik and Alessandro Oneto On the strength of general polynomials 6114--6140 Xiangjian Xu and Qing-Wen Wang On the solutions of a class of tensor equations . . . . . . . . . . . . . . . 6141--6154 Chiranjit Mondal and R. Balaji Characterization of Q-property for cone automorphisms in second-order cone linear complementarity problems . . . . 6155--6175 Pawe\l Wójcik and Ali Zamani Orthogonality Hilbert $A$-modules and operators preserving multi-$A$-linearity 6176--6189 Xiangxiang Liu and Ligong Wang Distance spectral radii of $k$-uniform bicyclic hypergraphs . . . . . . . . . . 6190--6210 Naomi Shaked-Monderer Preservers of the cp-rank . . . . . . . 6211--6222 Debajit Kalita and Kuldeep Sarma On the inverse of unicyclic 3-coloured digraphs . . . . . . . . . . . . . . . . 6223--6239 Jia Zhao and Jiefeng Liu and Yunhe Sheng Cohomologies and relative Rota--Baxter--Nijenhuis structures of 3-LieRep pairs . . . . . . . . . . . . . 6240--6264 Shi-Cai Gong and Yao-Ping Hou On tetracyclic graphs having minimum energies . . . . . . . . . . . . . . . . 6265--6278 Krushnachandra Panigrahy and Debasisha Mishra and Juan Manuel Peña On $C$-tensor and its application to eigenvalue localization . . . . . . . . 6279--6296 Lixiang Chen and Changjiang Bu and Jiang Zhou Spectral moments of hypertrees and their applications . . . . . . . . . . . . . . 6297--6311 Chunhong Fu and Qingxiang Xu and Guanjie Yan Characterizations of the harmonious pairs of projections on a Hilbert $ C^* $-module . . . . . . . . . . . . . . . . 6312--6320 Baohua Huang and Changfeng Ma The iterative solution of a class of tensor equations via Einstein product with a tensor inequality constraint . . 6321--6344 Gi-Sang Cheon and Jang Soo Kim and Seyed Ahmad Mojallal and Meesue Yoo Symmetric Pascal matrices and related graphs . . . . . . . . . . . . . . . . . 6345--6357 Gaojun Luo and Xiwang Cao and Dandan Wang and Xia Wu Perfect quantum state transfer on Cayley graphs over semi-dihedral groups . . . . 6358--6374 Yiqiang Zhou Rings over which matrices are products of $q$-potents . . . . . . . . . . . . . 6375--6392 Qian-yu Shu and Xue-ping Wang Orthogonal complements and extending orthogonal subsets of semimodules . . . 6393--6411 Farangis Johari Bounds for the dimension of the center factor in capable nilpotent Lie algebras of class two . . . . . . . . . . . . . . 6412--6424 Yucai Su and Xiaoqing Yue and Xiaoyu Zhu 2-Local superderivations on the Lie superalgebra of Block type . . . . . . . 6425--6440 E. Ballico Identifiability for the $k$-secant variety of the Segre--Veronese varieties 6441--6451 Chai Wah Wu On generalizations of Schur's inequality on sums of products of differences of real numbers . . . . . . . . . . . . . . 6452--6468 Chuan Yang and Zhihua Guo and Chengyang Zhang and Huaixin Cao Broadcasting coherence via incoherent operations . . . . . . . . . . . . . . . 6469--6477 Abdollah Alhevaz and Maryam Baghipur and Shariefuddin Pirzada On the smallest eigenvalue of $ D_\alpha $-matrix of connected graphs . . . . . . 6478--6499 Jinlu Li and Jiancai Sun Super-biderivations on the super Heisenberg--Virasoro algebra . . . . . . 6500--6510 Ai-Jun Li and Zi-Xin Cao and Qingzhong Huang A matrix form of Grassmannian Ball--Barthe inequality . . . . . . . . 6511--6522 El Hassan Benabdi and Abderrahim Baghdad and Mohamed Chraibi Kaadoud Birkhoff--James orthogonality and algebraic maximal numerical range in $ C^* $-algebras . . . . . . . . . . . . . 6523--6534 M. Seetharama Gowda Simultaneous spectral decomposition in Euclidean Jordan algebras and related systems . . . . . . . . . . . . . . . . 6535--6547 Jitendra Kumar Singh and Purshottam Narain Agrawal and Arun Kajla Approximation by modified $q$-Gamma type operators via $A$-statistical convergence and power series method . . 6548--6567 Pinakadhar Baliarsingh On the spectrum of fractional difference operator . . . . . . . . . . . . . . . . 6568--6580 Mareike Dressler and Jiawang Nie and Zi Yang Separability of Hermitian tensors and PSD decompositions . . . . . . . . . . . 6581--6608 Karim Halaseh and Tommi Muller and Elina Robeva Orthogonal decomposition of tensor trains . . . . . . . . . . . . . . . . . 6609--6639 G. Ramesh and B. Sudip Ranjan and D. Venku Naidu Cartesian decomposition of $C$-normal operators . . . . . . . . . . . . . . . 6640--6647 Boumediene Et-Taoui and Abdenacer Makhlouf Complex skew-symmetric conference matrices . . . . . . . . . . . . . . . . 6648--6663 Na Huang Variable-parameter HSS methods for non-Hermitian positive definite linear systems . . . . . . . . . . . . . . . . 6664--6681 Mohammed Mouçouf Arbitrary positive powers of semicirculant and $r$-circulant matrices 6682--6697 Sasmita Barik and Sattick Ghosh and Debabrota Mondal On graphs with strong anti-reciprocal eigenvalue property . . . . . . . . . . 6698--6711 Sasmita Barik and Debabrota Mondal and Sukanta Pati Trees with the reciprocal eigenvalue property . . . . . . . . . . . . . . . . 6712--6717 Clément de Seguins Pazzis Sums and products of pairs of quadratic endomorphisms of a countable-dimensional vector space . . . . . . . . . . . . . . 6718--6752 A. Ringh and L. Qiu Finsler geometries on strictly accretive matrices . . . . . . . . . . . . . . . . 6753--6771 Lixing Han and Kelun Wang and Jianhong Xu Higher order ergodic Markov chains and first passage times . . . . . . . . . . 6772--6779 Ching Hung Lam and Hiromichi Yamada Sigma involutions associated with parafermion vertex operator algebra $ K(\mathfrak {sl}_2, k) $ . . . . . . . . 6780--6819 Xiaohui Fu and Pan-Shun Lau and Tin-Yau Tam Inequalities on $ 2 \times 2 $ block positive semidefinite matrices . . . . . 6820--6829 Weina Deng and Miaomiao Ren and Baomin Yu Linear preservers for matrices over a class of semirings . . . . . . . . . . . 6830--6845 A. Jahanbani and S. M. Sheikholeslami On the spectral radius of the adjacency matrix and signless Laplacian matrix of a graph . . . . . . . . . . . . . . . . 6846--6851 Mohammad Ali Hasankhani Fard Construction of infinite frames with some given redundancy . . . . . . . . . 6852--6862 Hader A. Elgendy Representations of special Jordan triple systems of all symmetric and Hermitian $n$ by $n$ matrices . . . . . . . . . . 6863--6875 Yukun Zhou and Jianlong Chen Weak core inverses and pseudo core inverses in a ring with involution . . . 6876--6890 Hongwei Qiao and Guojun Hai and Eburilitu Bai $A$-numerical radius and $A$-norm inequalities for semi-Hilbertian space operators . . . . . . . . . . . . . . . 6891--6907 R. Balaji and R. B. Bapat and Shivani Goel Generalized Euclidean distance matrices 6908--6929 M. B. Alves and J. B. Gomes and K. M. Pedroso On minimal positive basis for polyhedral cones in $ R^n $ . . . . . . . . . . . . 6930--6946 K. C. Sivakumar and P. Sushmitha and M. Tsatsomeros $ Q_\# $-matrices and $ Q_+ $-matrices: two extensions of the $Q$-matrix concept 6947--6964 M. Abdi and A. Leroy Graphs of commutatively closed sets . . 6965--6977 Y. Bouramdane and M. Ech-Chérif El Kettani Maps preserving some spectral domains of skew products of operators . . . . . . . 6978--6988 Masoumeh Azadikhouy and Masoumeh Faghih-Ahmadi Superconvex-cyclicity of operators . . . 6989--6999 Tanay Saha and Suman Rakshit and Swanand R. Khare Nearest linearly structured polynomial matrix with some prescribed distinct eigenvalues . . . . . . . . . . . . . . 7000--7026 Marija Dodig and Marko Stosi\'c Completion of matrix pencils with a single rank restriction . . . . . . . . 7027--7048 Shu-Guang Guo and Rong Zhang Ordering graphs by their largest (least) $ A_\alpha $-eigenvalues . . . . . . . . 7049--7056 Jeong-Ok Choi and Youngmi Hur Invertibility of circulant matrices of arbitrary size . . . . . . . . . . . . . 7057--7074 Shi-Liang Wu and Cui-Xia Li A preconditioned two-sweep shift splitting method for non-Hermitian positive definite linear systems . . . . 7075--7092 Bijan Ahmadi Kakavandi and Elham Nobari Approximate diagonalization of some Toeplitz operators and matrices . . . . 7093--7114 Anindya Ghatak and Santhosh Kumar Pamula A Radon--Nikodým theorem for local completely positive invariant multilinear maps . . . . . . . . . . . . 7115--7141 Alexander H. W. Schmitt An elementary discussion of the representation and geometric invariant theory of equioriented quivers of type $D$ with an application to quiver bundles . . . . . . . . . . . . . . . . 7142--7175 Ludovick Bouthat and Apoorva Khare and Javad Mashreghi and Frédéric Morneau-Guérin The $p$-norm of circulant matrices . . . 7176--7188 Farangis Johari and Peyman Niroomand The capability and certain functors of some nilpotent lie algebras of class two 7189--7203 Jireh Loreaux and Sasmita Patnaik Closedness of the orbit-closed $C$-numerical range and submajorization 7204--7223 Tao Cheng and Lihua Feng and Weijun Liu Integral Cayley graphs over a certain nonabelian group . . . . . . . . . . . . 7224--7235 Amer Al-Rawabdeh and Fuad Kittaneh Further inequalities for certain powers of positive definite matrices . . . . . 7236--7249 Florian Bünger and Siegfried M. Rump When does $ || f(A) || = f(||A||) $ hold true? . . . . . . . . . . . . . . . . . 7250--7263 Dandan Fan and Sergey Goryainov and Xueyi Huang and Huiqiu Lin The spanning $k$-trees, perfect matchings and spectral radius of graphs 7264--7275
Aishah Ibraheam Basha and Judi J. McDonald Orthogonality over finite fields . . . . 7277--7289 Hua-Lin Huang and Huajun Lu and Yu Ye and Chi Zhang On centres and direct sum decompositions of higher degree forms . . . . . . . . . 7290--7306 Marek Niezgoda On $G$ -majorization inequalities for gradients of $G$ -increasing functions 7307--7317 Predrag S. Stanimirovi\'c and Miroslav 'Ciri\'c and Alberto Lastra and J. Rafael Sendra and Juana Sendra Representations and geometrical properties of generalized inverses over fields . . . . . . . . . . . . . . . . . 7318--7338 Yaru Qi and Yuying Li and Yihui Kong The Ostrowski theorem for matrices of operators . . . . . . . . . . . . . . . 7339--7346 Luyining Gan and Wei Gao and Jie Han Zero-nonzero tree patterns that allow Sn* . . . . . . . . . . . . . . . . . . 7347--7369 Janis Cirulis and Insa Cremer On existence of joins and meets under the star order in strong Rickart rings 7370--7383 Anonymous Erratum to `Some results about EP modular operators' . . . . . . . . . . . 7384--7386 Vladimir Yu Protasov Antinorms on cones: duality and applications . . . . . . . . . . . . . . 7387--7413 Yu-Jiang Wu and Wei-Hong Zhang and Ai-Li Yang Modulus-based inexact non-alternating preconditioned splitting method for linear complementarity problems . . . . 7414--7432 Orhan Tu\ug and Viladimir Rakocevi\'c and Eberhard Malkowsky Domain of generalized difference operator $ \Delta_i^3 $ of order three on the Hahn sequence space $h$ and matrix transformations . . . . . . . . . 7433--7451 R. Grotheer and S. Li and A. Ma and D. Needell and J. Qin Iterative hard thresholding for low CP-rank tensor models . . . . . . . . . 7452--7468 Logan Richard and Franziska Riepl and Leonel Robert and George Turcu and Lucas Walls Building homotheties through pinches . . 7469--7483 Xuemei Chen and Xian'an Jin and Weigen Yan Enumeration of spanning trees of middle digraphs . . . . . . . . . . . . . . . . 7484--7492 Haiying Shan and Feifei Wang and Changxiang He Some $ \alpha $-spectral extremal results for some digraphs . . . . . . . 7493--7513 Palanivel Naveen and A. V. Chithra Signless Laplacian energy, distance Laplacian energy and distance signless Laplacian spectrum of unitary addition Cayley graphs . . . . . . . . . . . . . 7514--7535 Assaf Goldberger and Shujie Kang and Kasso A. Okoudjou Towards a classification of incomplete Gabor POVMs in C$^d$ . . . . . . . . . . 7536--7557 Qiu-Fan Chen and Yu-Feng Yao Irreducible tensor product modules over the affine-Virasoro algebra of type A$_1$ . . . . . . . . . . . . . . . . . 7558--7574 Alaa El Ichi and Khalide Jbilou and Rachid Sadaka On tensor tubal-Krylov subspace methods 7575--7598 Somayya Moulaharabbi and Mohamed Barraa and El Hassan Benabdi Numerical range of quaternionic right linear bounded operators . . . . . . . . 7599--7610 Hualu Liu and Xiusheng Liu LCP of matrix product codes . . . . . . 7611--7622 Yuxiu Bai and Yuqun Chen and Zerui Zhang Gelfand-Kirillov dimension of bicommutative algebras . . . . . . . . . 7623--7649 Zakaria Taki and Abdelkrim Nokrane Spectrum of Banach valued holomorphic functions and polar sets . . . . . . . . 7650--7655 Aaron Melman Polynomial eigenvalue estimation: numerical radii versus norms . . . . . . 7656--7671 Lamei Yuan and Qianyi Hua -(bi)derivations and transposed Poisson algebra structures on Lie algebras . . . 7672--7701 María Cueto-Avellaneda and Antonio M. Peralta Can one identify two unital JB*-algebras by the metric spaces determined by their sets of unitaries? . . . . . . . . . . . 7702--7727 Runshuan Shen and Guolin Hou and Alatancang Chen On the pseudo-spectra and the related properties of infinite-dimensional Hamiltonian operators . . . . . . . . . 7728--7739 Hamid Reza Moradi and Shigeru Furuichi and Mohammad Sababheh Some operator inequalities via convexity 7740--7752 Hua Wang and Junjie Huang and Mengran Li On the solutions of the operator equation $ X A X = B X $ . . . . . . . . 7753--7761 A. E. Teretenkov Singular value decomposition for skew-Takagi factorization with quantum applications . . . . . . . . . . . . . . 7762--7769 Xifu Liu Norm-preserving dilation theorems for a block positive semidefinite (definite) matrix . . . . . . . . . . . . . . . . . 7770--7777 Avinash Kulkarni and Tristan Vaccon Super-linear convergence in the $p$ -adic QR-algorithm . . . . . . . . . . . 7778--7806 Chan Hao and Shuchao Li and Licheng Zhang An inverse formula for the distance matrix of a fan graph . . . . . . . . . 7807--7824 Russ Woodroofe An algebraic groups perspective on Erd\Hos--Ko--Rado . . . . . . . . . . . 7825--7835 Xiufeng Wu and Junjie Huang and Alatancang Chen On the left (right) invertibility of operator matrices . . . . . . . . . . . 7836--7855 Lin Chen On $ 6 \times 6 $ complex Hadamard matrices containing two nonintersecting identical $ 3 \times 3 $ submatrices . . 7856--7875
S. Pirzada and Tahir Shamsher and Mushtaq A. Bhat A note on the class of weighted graphs with strong anti-reciprocal eigenvalue property . . . . . . . . . . . . . . . . 1--4 Iswar Mahato and R. Gurusamy and M. Rajesh Kannan and S. Arockiaraj On the spectral radius and the energy of eccentricity matrices of graphs . . . . 5--15 Miloud Sadkane A smallest singular value method for nonlinear eigenvalue problems . . . . . 16--28 Jin-Song Xiong Modified upper and lower triangular splitting iterative method for a class of block two-by-two linear systems . . . 29--40 Shaowu Huang A new version of Schur--Horn type theorem . . . . . . . . . . . . . . . . 41--46 Debmalya Sain and Shamim Sohel and Souvik Ghosh and Kallol Paul On best coapproximations in subspaces of diagonal matrices . . . . . . . . . . . 47--62 Alberto Seeger and David Sossa Spectral radii of friendship graphs and their connected induced subgraphs . . . 63--87 Xiaogang Liu and Tingzeng Wu One-matching bi-Cayley graphs and homogeneous bi-Cayley graphs over finite cyclic groups . . . . . . . . . . . . . 88--99 Yang Chen and Kezheng Zuo and Qingwen Wang and Zhimei Fu Further characterizations of the CMP inverse of matrices . . . . . . . . . . 100--119 Shuoxi Sun and Cheng Yan A generalized arithmetic-geometric mean-type inequality of measurable operator . . . . . . . . . . . . . . . . 120--132
Oskar Maria Baksalary and K. C. Sivakumar and Götz Trenkler On the Moore--Penrose inverse of a sum of matrices . . . . . . . . . . . . . . 133--149 Hua-Ming Wang and Hongyan Sun Asymptotics of product of nonnegative 2-by-2 matrices with applications to random walks with asymptotically zero drifts . . . . . . . . . . . . . . . . . 150--177 Haixia Zhang and Ning Zhang and Zhuolin Zhang The maximum Laplacian Estrada index of connected graphs . . . . . . . . . . . . 178--189 Jadav Ganesh and B. Madhav Reddy On the denseness of minimum attaining operator-valued functions . . . . . . . 190--205 Doston Jumaniyozov and Bakhrom Omirov New examples of infinite-dimensional $n$-Lie algebras . . . . . . . . . . . . 206--225 D. E. Ferreyra and V. Orquera and N. Thome Representations of the weighted WG inverse and a rank equation's solution 226--241 Jing Zhao and Xiang Wang and Jianhua Zhang A randomised iterative method for solving factorised linear systems . . . 242--255 Mohammad Reza Oboudi Reverse Wiener spectral radius of trees 256--264 B. A. Narkuziyev and U. A. Rozikov Classification in chains of three-dimensional real evolution algebras . . . . . . . . . . . . . . . . 265--300 Deepshikha and Aniruddha Samanta Averaged numerically optimal dual frames for erasures . . . . . . . . . . . . . . 301--316
Francesco Galuppi and Raffaella Mulas and Lorenzo Venturello Spectral theory of weighted hypergraphs via tensors . . . . . . . . . . . . . . 317--347 T. L. Shateri and B. Mohebbi Najmabad On the Bohr and Selberg inequalities in 2-$ *$-inner product spaces . . . . . . 348--362 Zijie Qin and Chaoqun Chen Nonlinear maps preserving similarity on $ B(X) $ . . . . . . . . . . . . . . . . 363--376 Zhengbang Cao and Pengpeng Xie On some tensor inequalities based on the $t$-product . . . . . . . . . . . . . . 377--390 Froilán M. Dopico and Silvia Marcaida and María C. Quintana and Paul Van Dooren Block full rank linearizations of rational matrices . . . . . . . . . . . 391--421 Ricardo A. Podestá and Denis E. Videla On regular graphs equienergetic with their complements . . . . . . . . . . . 422--456 Xiao-Ming Xu and Yi Huang and Yuan Li General explicit descriptions for two classes of symmetries involving idempotents . . . . . . . . . . . . . . 457--471 In Sung Hwang and Woo Young Lee and Jaehui Park The Beurling degree of inner matrix functions . . . . . . . . . . . . . . . 472--479 Tingting Li and Mengmeng Zhou The absorption laws for the weighted core inverse in rings . . . . . . . . . 480--495 Cristian Conde and Ezequiel Dratman and Luciano N. Grippo Finding singularly cospectral graphs . . 496--512
Ryan Hessert and Sudipta Mallik The inverse of the incidence matrix of a unicyclic graph . . . . . . . . . . . . 513--527 Huihui Zhu and Liyun Wu and Dijana Mosi\'c One-sided $w$-core inverses in rings with an involution . . . . . . . . . . . 528--544 Sajal Kumar Mukherjee and Sanjay Mukherjee Generalized Larcombe--Fenessey invariants of matrix powers . . . . . . 545--551 Yongdo Lim The Ando--Li--Mathias geometric mean and infinite product of hollow matrices . . 552--568 Abdullah Alazemi and Milica Andeli\'c and Kinkar Chandra Das and Carlos M. da Fonseca Chain graph sequences and Laplacian spectra of chain graphs . . . . . . . . 569--585 Ji-Hwan Jung and Suh-Ryung Kim and Hyesun Yoon Competition periods of multipartite tournaments . . . . . . . . . . . . . . 586--596 Raziyeh Erfanifar and Khosro Sayevand and Masoud Hajarian Solving system of nonlinear matrix equations over Hermitian positive definite matrices . . . . . . . . . . . 597--630 Chunxiang Zong and Guofeng Zhang and Yuchao Tang Multi-step inertial forward-backward-half forward algorithm for solving monotone inclusion . . . . . 631--661 S. Morteza Mirafzal The line graph of the crown graph is distance integral . . . . . . . . . . . 662--672 Mohamed Akel and Ahmed Bakhet and Mohamed Abdalla and Fuli He On degenerate gamma matrix functions and related functions . . . . . . . . . . . 673--691
C. Dalfó and M. A. Fiol and S. Pavlíková and J. Sirán On the spectra and eigenspaces of the universal adjacency matrices of arbitrary lifts of graphs . . . . . . . 693--710 Saikat Roy and Debmalya Sain Approximate orthogonality in complex normed spaces: a directional approach 711--727 Hans Henrich Neumann and Makoto Yamashita Lieb type convexity for positive operator monotone decreasing functions 728--736 Junming Liu and Saminathan Ponnusamy and Huayou Xie Complex symmetric weighted composition-differentiation operators 737--755 Tatyana Barron and Noah Wheatley Entanglement and products . . . . . . . 756--767 Monika and Bentuo Zheng The numerical index of $ \ell p^2 $ . . 768--773 Zied Garbouj New additive results for the Drazin inverse of multivalued operators . . . . 774--796 Vasilije Perovi\'c and D. Steven Mackey Quadratic realizability of palindromic matrix polynomials: the real case . . . 797--841 Tadej Starcic Isotropy groups of the action of orthogonal similarity on symmetric matrices . . . . . . . . . . . . . . . . 842--866 Zhengxin Chen and Yu Wang Skew-symmetric biderivations and linear commuting maps of Kac--Moody algebras 867--874
Pawe\l Wójcik and Ali Zamani From norm derivatives to orthogonalities in Hilbert $ C^* $-modules . . . . . . . 875--888 Hatem Baloudi Fredholm theory in quaternionic Banach algebras . . . . . . . . . . . . . . . . 889--910 Hristo Sendov and Junquan Xiao Coninvolutory matrices, multi-affine polynomials, and invariant circles . . . 911--944 Wenxuan Ding and Matthew Ingwersen and Charles R. Johnson The minimum number of multiplicity 1 eigenvalues among real symmetric matrices whose graph is a 2-linear tree 945--960 Jan Hamhalter and Ondrej F. K. Kalenda and Antonio M. Peralta Determinants in Jordan matrix algebras 961--1002 João Lazzarin and Oscar F. Sosa and Fernando C. Tura Laplacian eigenvalues of equivalent cographs . . . . . . . . . . . . . . . . 1003--1014 Xiang-dong Hou and Christopher Sze On a radical extension of the field of rational functions in several variables 1015--1025 Jiale Gao and Kezheng Zuo and Honglin Zou and Zhimei Fu New characterizations and representations of the generalized Bott--Duffin inverse and its applications . . . . . . . . . . . . . . 1026--1043 Muhuo Liu and Chaohui Chen and Shu-Guang Guo and Jiarong Peng and Tianyuan Chen The $ A_\alpha $-spectral radius of dense graphs . . . . . . . . . . . . . . 1044--1053 Cristian Conde and Kais Feki Some numerical radius inequality for several semi-Hilbert space operators . . 1054--1071
Qingyan Wu and Xiaomin Tang Derivations and Biderivations of the Schrödinger algebra in $ (n + 1) $-dimensional space-time . . . . . . . . 1073--1097 Elena Angelini and Luca Chiantini On the description of identifiable quartics . . . . . . . . . . . . . . . . 1098--1126 Yin Chen and Runxuan Zhang A commutative algebra approach to multiplicative Hom--Lie algebras . . . . 1127--1144 Murray R. Bremner and Hader A. Elgendy Poisson triple systems . . . . . . . . . 1145--1157 Xiaomei Dong and Deyu Wu Davis--Wielandt radius inequalities for off-diagonal operator matrices . . . . . 1158--1181 Mohsen Aliabadi and Jack Kinseth and Christopher Kunz and Haris Serdarevic and Cole Willis Conditions for matchability in groups and field extensions . . . . . . . . . . 1182--1197 Hassan Issa and Hassane Abbas and Bassam Mourad On an integral representation of the normalized trace of the $k$-th symmetric tensor power of matrices and some applications . . . . . . . . . . . . . . 1198--1216 Jiong Dong and Xiaohong Cao CFI upper triangular operator matrices 1217--1227 Mohammad M. Ghabries and Hassane Abbas and Bassam Mourad and Abdallah Assi New log-majorization results concerning eigenvalues and singular values and a complement of a norm inequality . . . . 1228--1243 Claudemir Fidelis and Alan Guimarães and Plamen Koshlukov A note on -gradings on the Grassmann algebra and elementary number theory . . 1244--1264
M. Bresar and M. L. C. Godoy Weighted Jordan homomorphisms . . . . . 1265--1279 Venus Kaleibary and Mohammad Reza Jabbarzadeh and Shigeru Furuichi Operator geodesically convex functions and their applications . . . . . . . . . 1280--1294 Ruifei Kuang and Chunyuan Deng Common properties among various generalized inverses and constrained binary relations . . . . . . . . . . . . 1295--1322 Javad Baradaran and Jahangir Cheshmavar and Fereshte Nikahd and Zahra Ghorbani Some properties of $c$--$K$--$g$-frames in Hilbert $ C^* $-modules . . . . . . . 1323--1337 Muhammet Cihat Dagli A novel conservative matrix arising from Schröder numbers and its properties . . . 1338--1351 Iulia-Elena Chiru and Septimiu Crivei Von Neumann regular matrices revisited 1352--1363 Alexander Heaton and Khazhgali Kozhasov and Lorenzo venturello Minimality of tensors of fixed multilinear rank . . . . . . . . . . . . 1364--1377 Debajit Kalita and Kuldeep Sarma On unicyclic non-bipartite graphs with tricyclic inverses . . . . . . . . . . . 1378--1396 Michael P. Drazin Intermixing pairs of generalized inverses . . . . . . . . . . . . . . . . 1397--1406 Taeuk Nam and Cindy Tan and Ben Williams Spaces of generators for matrix algebras with involution . . . . . . . . . . . . 1407--1430
Vincenzo De Filippis and Giovanni Scudo An equation concerning power values of generalized skew derivations and annihilating conditions on Lie ideals 1431--1449 D. I. Vladeva Derivations of triangular matrix rings 1450--1461 Charles Johnson and Stephen Newman and Ilya Spitkovsky New views of the doubly stochastic single eigenvalue problem . . . . . . . 1462--1469 Abel H. Klobouk and Alejandro Varela Moment of a subspace and joint numerical range . . . . . . . . . . . . . . . . . 1470--1503 Qi Wu and Yong Lu Inertia indices of a complex unit gain graph in terms of matching number . . . 1504--1520 Fariba Bakrani Balani and Masoud Hajarian Modified block product preconditioner for a class of complex symmetric linear systems . . . . . . . . . . . . . . . . 1521--1535 Jimmie Lawson and Eyüp Kizil Classification of involutive automorphisms and anti-automorphisms of the Lie algebra of quaternions . . . . . 1536--1544 Gargi Ghosh and Somnath Hazra On analytic structure of weighted shifts on generalized directed semi-trees . . . 1545--1564 G. Ramesh and B. Sudip Ranjan and D. Venku Naidu A representation of compact $C$-normal operators . . . . . . . . . . . . . . . 1565--1577 Jia-Lin Zhang and Guo-Feng Zhang and Zhao-Zheng Liang A modified generalized SOR-like method for solving an absolute value equation 1578--1595
Sangmin Chun and In Hyoun Kim and Jaewoong Kim and Jasang Yoon Contractive symmetric matrix completion problems related to graphs . . . . . . . 1597--1605 Jonas Jankauskas and Jörg M. Thuswaldner Rational matrix digit systems . . . . . 1606--1639 Adel Saddi and Fatma Mahmoudi $ (A, m) $-partial isometries in semi-Hilbertian spaces . . . . . . . . . 1640--1656 S. Arela-Pérez and J. Egaña and G. Pastén and H. Pickmann-Soto Extremal realization spectra by two acyclic matrices whose graphs are caterpillars . . . . . . . . . . . . . . 1657--1680 Xiying Yuan and Zhenan Shao On the maximal $ \alpha $-spectral radius of graphs with given matching number . . . . . . . . . . . . . . . . . 1681--1690 Lele Liu and Changxiang He The maximum principal ratio of graphs 1691--1706 A. A. Ambily and V. K. Aparna Pradeep Visualization for Petrov's odd unitary group . . . . . . . . . . . . . . . . . 1707--1719 Rupinderjit Kaur Dhanoa and Mohammad Sal Moslehian and Mandeep Singh A generalized Wigner--Yanase skew information . . . . . . . . . . . . . . 1720--1729 Enrico Bozzo and Piero Deidda and Carmine Di Fiore The Jordan and Frobenius pairs of the inverse . . . . . . . . . . . . . . . . 1730--1735 N. A. Kolegov On the lengths of matrix incidence algebras with radicals of square zero 1736--1753
Laurent Busé Formulas for the eigendiscriminants of ternary and quaternary forms . . . . . . 1755--1774 Ran Gutin An analogue of the relationship between SVD and pseudoinverse over double-complex matrices . . . . . . . . 1775--1793 Minjae Kim and Suil O. and Wooyong Sim and Dongwoo Shin Matchings in graphs from the spectral radius . . . . . . . . . . . . . . . . . 1794--1803 M. W. Alomari On the Davis--Wielandt radius inequalities of Hilbert space operators 1804--1828 Habib Rebei and Anis Riahi and Wathek Chammam Hankel determinant of linear combination of the shifted Catalan numbers . . . . . 1829--1848 Ping Liao Bounds for the Perron root of positive matrices . . . . . . . . . . . . . . . . 1849--1857 Saieed Akbari and Kasra Masoudi and Sina Kalantarzadeh A strict inequality on the energy of edge partitioning of graphs . . . . . . 1858--1862 Muhammet Cihat Dagli A new almost convergent sequence space defined by Schröder matrix . . . . . . . 1863--1874 Salmine Abdelmoula and Hamadi baklouti Asymptotic distribution of resonances for matrix Schrödinger operator in one dimension . . . . . . . . . . . . . . . 1875--1887 Karel Casteels Scaffoldings of totally positive matrices and line insertion . . . . . . 1888--1904
Eisa Khosravi Dehdezi and Saeed Karimi GIBS: a general and efficient iterative method for computing the approximate inverse and Moore--Penrose inverse of sparse matrices based on the Schultz iterative method with applications . . . 1905--1921 Manami Chatterjee and K. C. Sivakumar On the Hadamard product $ A A $, for a singular $M$-matrix $A$ . . . . . . . . 1922--1932 Amer Darweesh and Mostafa Hayajneh and Saja Hayajneh and Fuad Kittaneh Norm inequalities for positive definite matrices related to a question of Bourin 1933--1947 Mai Hoang Bien and Truong Huu Dung and Nguyen Thi Thai Ha A certain decomposition of infinite invertible matrices over division algebras . . . . . . . . . . . . . . . . 1948--1956 O. Abdollahi and S. Karami and J. Rooin New unitary equivalences for some operator matrices with applications . . 1957--1978 Jiajie Luo and Lina Liu and Sisi Li and Yongxin Yuan A direct method for the simultaneous updating of finite element mass, damping and stiffness matrices . . . . . . . . . 1979--1993 Elisabete Barreiro and Antonio J. Calderón and Samuel A. Lopes and José M. Sánchez Leibniz algebras and graphs . . . . . . 1994--2007 Giovanni Barbarino and Carlo Garoni An extension of the theory of GLT sequences: sampling on asymptotically uniform grids . . . . . . . . . . . . . 2008--2025 Arup Chattopadhyay and Soma Das and Chandan Pradhan and Srijan Sarkar Characterization of $C$-symmetric Toeplitz operators for a class of conjugations in Hardy spaces . . . . . . 2026--2048 Sangho Kum and Yongdo Lim and Juyoung Jeong Hadamard product and related inequalities in the Jordan spin algebra 2049--2065
Jameson Cahill and Peter G. Casazza Optimal Parseval frames: total coherence and total volume . . . . . . . . . . . . 2067--2092 Yongtao Li and Yuejian Peng Sufficient spectral conditions for graphs being $k$-edge-Hamiltonian or $k$-Hamiltonian . . . . . . . . . . . . 2093--2113 Alberto Borobia and Roberto Canogar and Fernando De Terán The equation $ X^T A X = B $ with $B$ skew-symmetric: how much of a bilinear form is skew-symmetric? . . . . . . . . 2114--2143 Qiaohua Liu and Qian Zhang and Dongmei Shen Condition numbers of the mixed least squares-total least squares problem revisited . . . . . . . . . . . . . . . 2144--2162 E. Macías-Virgós and M. J. Pereira-Sáez and A. D. Tarrío-Tobar Rayleigh quotient and left eigenvalues of quaternionic matrices . . . . . . . . 2163--2179 Dong Cheng and Kit Ian Kou and Yonghui Xia and Junfeng Xu Sampling expansions associated with quaternion difference equations . . . . 2180--2203 Zhengxin Qin and Xinping Xu The spectrum of a line graph of a Cayley graph over an abelian group . . . . . . 2204--2211 Zhengyu Tao and Xuejun Guo On determinants involving tangent functions . . . . . . . . . . . . . . . 2212--2221 Balaji Ramamurthy and Ravindra B. Bapat and Shivani Goel On resistance matrices of weighted balanced digraphs . . . . . . . . . . . 2222--2248 Yanni Chen and Tiantian Fu and Ye Zhang The generalized Banach sequence spaces and their dual spaces based on permutation symmetric gauge norms . . . 2249--2261
E. Dubon and A. San Antolín On approximation properties of matrix-valued multi-resolution analyses 2263--2281 Wei Wang and Xiaogang Liu and Jing Wang Laplacian pair state transfer in vertex coronas . . . . . . . . . . . . . . . . 2282--2297 Murat Karakas On the sequence spaces involving bell numbers . . . . . . . . . . . . . . . . 2298--2309 Lihuan Mao and Wei Wang Generalized spectral characterization of rooted product graphs . . . . . . . . . 2310--2324 Ying Zhang and Wenlong Zhang The $q$-derivative formula and determinant identities . . . . . . . . . 2325--2336 Majid Arezoomand Perfect state transfer on semi-Cayley graphs over abelian groups . . . . . . . 2337--2353 Chunmeng Liu and Jiang Zhou and Changjiang Bu The high order spectrum of a graph and its applications in graph colouring and clique counting . . . . . . . . . . . . 2354--2365 Zhouyang Chen and Lihua Feng and Weijun Liu and Lu Lu The signless $p$-Laplacian spectral radius of graphs with given matching number . . . . . . . . . . . . . . . . . 2366--2374 Lei Liu and Kaitian Gao Characterizations of Lie centralizers of triangular algebras . . . . . . . . . . 2375--2391 Jiewen He and Hua Zheng and Seakweng Vong Modulus-based matrix splitting iteration methods with new splitting scheme for horizontal implicit complementarity problems . . . . . . . . . . . . . . . . 2392--2408