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Wed Nov 8 10:31:44 MST 2023
J. S. Lomont and H. E. Moses The Representations of the Inhomogeneous Lorentz Group in Terms of an Angular Momentum Basis . . . . . . . . . . . . . 294--298
Saul Silven Application of Operational Methods to the Analysis of Uniform Plasmas . . . . 557--560
M. L. Glasser Note on the Evaluation of Some Fermi Integrals . . . . . . . . . . . . . . . 1150--1152
Sidney Coleman The Clebsch--Gordan Series for ${\rm SU}(3)$ . . . . . . . . . . . . . . . . 1343--1344
J. S. Lomont and H. E. Moses Representations of the Inhomogeneous Lorentz Group in Terms of an Angular Momentum Basis: Derivation for the Cases of Nonzero Mass and Zero Mass, Discrete Spin . . . . . . . . . . . . . . . . . . 1438--1457
Matts Roos On the Construction of a Unitary Matrix with Elements of Given Moduli . . . . . 1609--1611
P. G. Bergmann and M. Cahen and A. B. Komar Spherically Symmetric Gravitational Fields . . . . . . . . . . . . . . . . . 1--5 W. Hunziker Cluster Properties of Multiparticle Systems . . . . . . . . . . . . . . . . 6--10 C. A. Hurst Relation between the Onsager and Pfaffian Methods for Solving the Ising Problem. I. The Rectangular Lattice . . 11--18 Serafin Fraga Improved Self-Consistent Configuration Interaction . . . . . . . . . . . . . . 18--23 R. A. Berg Covariant Higher-Spin Equations . . . . 24--33 R. A. Berg Position and Intrinsic Spin Operators in Quantum Theory . . . . . . . . . . . . . 34--39 Gian Carlo Ghirardi and Alberto Rimini On the Number of Bound States of a Given Interaction . . . . . . . . . . . . . . 40--44 Elliott R. Nagelberg Perturbation Theory of Microwave Interaction with Gyroelectric Plasmas 44--50 Henry Brysk Summation of Partial Waves . . . . . . . 51--54 Alexander Grossmann Hilbert Spaces of Type S . . . . . . . . 54--67 John R. Klauder and James McKenna Continuous-Representation Theory. V. Construction of a Class of Scalar Boson Field Continuous Representations . . . . 68--87 Yrjö Ahmavaara The Structure of Space and the Formalism of Relativistic Quantum Theory. I . . . 87--93 Carl H. Brans Invariant Approach to the Geometry of Spaces in General Relativity . . . . . . 94--102 James P. Wright Solution of Einstein's Field Equations for a Rotating, Stationary, and Dust-Filled Universe . . . . . . . . . . 103--105 Gerald L. Jones Method for Treating Fluctuation of Dynamical Variables . . . . . . . . . . 106--111 M. C. Pease Scalar Invariants of a Rotational System in a Lie Algebra . . . . . . . . . . . . 111--117 P. F. Jordan and P. E. Shelley Formal Solution of a Nonhomogeneous Differential Equation with a Double Transition Point . . . . . . . . . . . . 118--135 M. Martinis Complete High-Energy Behavior for Certain Planar Graphs . . . . . . . . . 136--141 Bruria Kaufman and Cornelius Noack Unitary Symmetry of Oscillators and the Talmi Transformation . . . . . . . . . . 142--152 C. R. Legéndy Existence of Proper Modes of Helicon Oscillations . . . . . . . . . . . . . . 153--157 Allan M. Salzberg Exact Statistical Thermodynamics of Gravitational Interactions in One and Two Dimensions . . . . . . . . . . . . . 158--160 Francesco Calogero Sufficient Conditions for an Attractive Potential to Possess Bound States . . . 161--164 C. G. Bollini and J. J. Giambiagi and A. González Domínguez On the Reduction Formula of Feinberg and Pais . . . . . . . . . . . . . . . . . . 165--166
Elliott W. Montroll and George H. Weiss Random Walks on Lattices. II . . . . . . 167--181 Robert L. Zimmerman Analytic Continuation of a $(l, s)$ for $\Re{l} < N$ . . . . . . . . . . . . . . 182--192 Ralph Nossal Effects of Finite Sample Size on the Measurement of Transport Quantities . . 193--200 D. Ruelle Correlation Functionals . . . . . . . . 201--220 Yrjö Ahmavaara The Structure of Space and the Formalism of Relativistic Quantum Theory. II . . . 220--227 Burt V. Bronk Exponential Ensemble for Random Matrices 228--237 Jean Ginibre Reduced Density Matrices of Quantum Gases. I. Limit of Infinite Volume . . . 238--251 Jean Ginibre Reduced Density Matrices of Quantum Gases. II. Cluster Property . . . . . . 252--262 W. Zernik and R. W. Klopfenstein Two-Photon Ionization of Atomic Hydrogen. II . . . . . . . . . . . . . . 262--270 M. Beran and P. Corson Use of Analytic Signals in Third- and Fourth-Order Coherence Functions . . . . 271--282 M. F. Sykes and J. W. Essam and D. S. Gaunt Derivation of Low-Temperature Expansions for the Ising Model of a Ferromagnet and an Antiferromagnet . . . . . . . . . . . 283--298 G. Källén and J. Toll Special Class of Feynman Integrals in Two-Dimensional Space--time . . . . . . 299--303 Daniel C. Mattis and Elliott H. Lieb Exact Solution of a Many-Fermion System and Its Associated Boson Field . . . . . 304--312 Karl Schindler Adiabatic Particle Orbits in Discontinuous Fields . . . . . . . . . . 313--321 L. B. Redei The Dirac Equation and the Unitary Representations of the Inhomogeneous Lorentz Group . . . . . . . . . . . . . 322--326
C. Oberman and M. Kruskal Some Constants of the Linearized Motion of Vlasov Plasmas . . . . . . . . . . . 327--335 Samson Zimering Mathematical Methods for Evaluating Three-Body Interactions Between Closed-Shell Atoms or Ions . . . . . . . 336--347 Franz Mohling and W. T. Grandy Quantum Statistics of Multicomponent Systems . . . . . . . . . . . . . . . . 348--379 Hiroshi Ezawa Quantum Mechanics of a Many-Boson System and the Representation of Canonical Variables . . . . . . . . . . . . . . . 380--404 D. W. Jepsen Dynamics of a Simple Many-Body System of Hard Rods . . . . . . . . . . . . . . . 405--413 G. W. Erickson and H. M. Fried Lepton Scattering Amplitudes in Two Model Field Theories . . . . . . . . . . 414--423 Paul W. Schmidt Asymptotic Expansion of the Intensity of the Small-Angle X-Ray Scattering from Cylinders of Arbitrary Cross Section . . 424--431 J. B. McGuire Interacting Fermions in One Dimension. I. Repulsive Potential . . . . . . . . . 432--439 Jean Ginibre Statistical Ensembles of Complex, Quaternion, and Real Matrices . . . . . 440--449 Michael Revzen Self-Consistent Approximations in Many-Body Systems . . . . . . . . . . . 450--453 Paul B. Bailey and G. Milton Wing Some Recent Developments in Invariant Imbedding with Applications . . . . . . 453--462 Francis R. Halpern and William Wilson Poles in Feynman Diagrams with Several Loops . . . . . . . . . . . . . . . . . 463--469 I. S. Gerstein Construction of the Charge Operator for Higher Symmetry Schemes . . . . . . . . 469--473 H. Heffner and W. H. Louisell Transformation Having Applications in Quantum Mechanics . . . . . . . . . . . 474--478 H. P. McKean and M. Schreiber and G. H. Weiss Isoperimetric Problem with Application to the Figure of Cells . . . . . . . . . 479--484 A. Krzywicki Calculation of Certain Phase-Space Integrals . . . . . . . . . . . . . . . 485--487 L. B. Redei Composite Particles in a Relativistic Model of Two-Body Scattering . . . . . . 487--491 Attia A. Ashour Fourier Series Expansion for the General Power of the Distance between Two Points 492--494
F. Rohrlich and J. C. Stoddart Microcausality in Asymptotic Quantum Field Theory . . . . . . . . . . . . . . 495--499 O. W. Greenberg and A. M. L. Messiah High-Order Limit of Para-Bose and Para-Fermi Fields . . . . . . . . . . . 500--504 G. W. Ford and M. Kac and P. Mazur Statistical Mechanics of Assemblies of Coupled Oscillators . . . . . . . . . . 504--515 Stanley Ò. Aks Proof that Scattering Implies Production in Quantum Field Theory . . . . . . . . 516--532 A. J. Dragt Classification of Three-Particle States According to ${\rm SU}_3$ . . . . . . . 533--553 Claude Bloch and James S. Langer Diagram Renormalization, Variational Principles, and the Infinite-Dimensional Ising Model . . . . . . . . . . . . . . 554--572 George Tiktopoulos Note on Positronium . . . . . . . . . . 573--577 J. A. Castilho Alcarás and P. Leal Ferreira Algebraic Construction of the Basis for the Irreducible Representations of Rotation Groups and for the Homogeneous Lorentz Group . . . . . . . . . . . . . 578--583 Manfred Trümper On a Special Class of Type-I Gravitational Fields . . . . . . . . . . 584--589 István Ozsváth New Homogeneous Solutions of Einstein's Field Equations with Incoherent Matter Obtained by a Spinor Technique . . . . . 590--610 Calvin H. Wilcox Uniform Asymptotic Estimates for Wave Packets in the Quantum Theory of Scattering . . . . . . . . . . . . . . . 611--620 R. K. Nesbet Excitation Operators and Intrinsic Hamiltonians . . . . . . . . . . . . . . 621--629 B. W. Abraham Approach to Stability of a Plasma . . . 630--636 D. Bessis Upper Bound for the Double Spectral Function in Potential Scattering . . . . 637--643 A. H. Gray Uniqueness of Steady-State Solutions to the Fokker--Planck Equation . . . . . . 644--647 R. Rockmore Property of the Vertex Function in Potential Theory . . . . . . . . . . . . 648--651 Yoh-Han Pao and H. L. Frisch Vertex Modification for Coulombic Interactions by Exact Summation of Ladder Diagrams . . . . . . . . . . . . 652--655 Yukio Tomozawa Internal Symmetry and the Poincaré Group 656--657 Eugene Feenberg Necessary Condition on the Radial Distribution Function . . . . . . . . . 658--659 J. V. Greenman High-Energy Behavior at Fixed Angle for the Five-Point Function in Perturbation Theory . . . . . . . . . . . . . . . . . 660--670 J. S. Lomont and H. E. Moses Errata: ``The Representations of the Inhomogeneous Lorentz Group in Terms of an Angular Momentum Basis'' . . . . . . 670--670 J. S. Lomont and H. E. Moses Errata: ``Representations of the Inhomogeneous Lorentz Group in Terms of an Angular Momentum Basis: Derivation for the Cases of Nonzero Mass and Zero Mass, Discrete Spin'' . . . . . . . . . 670--670
Tran Trong Gien Relativistic Formulation of the Lifetime Matrix in the Potential Theory of Collision . . . . . . . . . . . . . . . 671--676 Mirza A. B. Bég and Henri Ruegg A Set of Harmonic Functions for the Group ${\rm SU}(3)$ . . . . . . . . . . 677--682 John G. Nagel and Marcos Moshinsky Operators that Lower or Raise the Irreducible Vector Spaces of ${\rm U}_{n - 1}$ Contained in an Irreducible Vector Space of ${\rm U}_n$ . . . . . . . . . . 682--694 Tsutomu Imamura and William C. Meecham and Armand Siegel Symbolic Calculus of the Wiener Process and Wiener--Hermite Functionals . . . . 695--706 Armand Siegel and Tsutomu Imamura and William C. Meecham Wiener--Hermite Expansion in Model Turbulence in the Late Decay Stage . . . 707--721 J. G. Kuriyan and D. Lurié and A. J. Macfarlane Algebraic Tabulation of Clebsch--Gordan Coefficients of ${\rm SU}_3$ for the Product $(\lambda, \mu) \otimes (1, 1)$ of Representations of ${\rm SU}_3$ . . . 722--733 John R. Klauder and James McKenna and Douglas G. Currie On ``Diagonal'' Coherent-State Representations for Quantum-Mechanical Density Matrices . . . . . . . . . . . . 734--739 Robert E. Pugh $S$-Operator Theory. I. Formulation . . 740--746 N. Mukunda and L. K. Pandit Tensor Methods and a Unified Representation Theory of ${\rm SU}_3$ 746--765 M. Danos and L. C. Maximon Multipole Matrix Elements of the Translation Operator . . . . . . . . . . 766--778 H. F. Tiersten Variational Principle for Saturated Magnetoelastic Insulators . . . . . . . 779--787 K. J. Barnes Lagrangian Theory for the Second-Rank Tensor Field . . . . . . . . . . . . . . 788--794 Kerson Huang and Francis E. Low Exact Bootstrap Solutions in Some Static Models of Meson-Baryon Scattering . . . 795--816 Robert Hermann Compactification of Minkowski Space and ${\rm SU}(3)$ Symmetry . . . . . . . . . 817--819 D. Bessis Problem of Subtractions in Potential Scattering . . . . . . . . . . . . . . . 820--824 Paul Federbush Note on Non-Landau Singularities . . . . 825--826
J. Gunson Unitarity and On-Mass-Shell Analyticity as a Basis for $S$-Matrix Theories. I 827--844 J. Gunson Unitarity and On-Mass-Shell Analyticity as a Basis for $S$-Matrix Theories. II 845--851 J. Gunson Unitarity and On-Mass-Shell Analyticity as a Basis for $S$-Matrix Theories. III 852--858 Albert W. Sáenz Long-Time Behavior of the Electric Potential and Stability in the Linearized Vlasov Theory . . . . . . . . 859--875 N. Karayianis and C. A. Morrison Projected Angular Momentum States . . . 876--879 D. M. Fradkin Conserved Quantities Associated with Symmetry Transformations of Relativistic Free-Particle Equations of Motion . . . 879--890 M. Eger and E. P. Gross Spatially Inhomogeneous States of Many-Body Systems . . . . . . . . . . . 891--901 A. I. Janis and E. T. Newman Structure of Gravitational Sources . . . 902--914 E. T. Newman and A. I. Janis Note on the Kerr Spinning-Particle Metric . . . . . . . . . . . . . . . . . 915--917 E. T. Newman and E. Couch and K. Chinnapared and A. Exton and A. Prakash and R. Torrence Metric of a Rotating, Charged Mass . . . 918--919 A. R. Marlow Unified Dirac--von Neumann Formulation of Quantum Mechanics. I. Mathematical Theory . . . . . . . . . . . . . . . . . 919--927 H. E. Moses Transformation from a Linear Momentum to an Angular Momentum Basis for Particles of Zero Mass and Finite Spin . . . . . . 928--940 Paul Federbush Calculation of Some Homology Groups Relevant to Sixth-Order Feynman Diagrams 941--954 Antonio Pagnamenta Solution of the Källén--Pauli Equation . . 955--965 J. Kane and E. R. Surynarayan Integrals of the Second-Order Linear Differential Equation . . . . . . . . . 966--974 J. Mandelbrojt and S. Mandelbrojt Mathematical Study of the Cutoff Procedure for Divergent Integrals in Bound-State Problems . . . . . . . . . . 974--980 Richard E. Norton On the Quantum Field Theories Leading to the Corben Equations . . . . . . . . . . 981--992 E. Gerjuoy Momentum Transfer Cross-Section Theorem 993--996 Elliot Leader Note on Bég's Approach To Peratization 996--998 W. H. Klink Disconnected Groups as Higher Symmetry Groups . . . . . . . . . . . . . . . . . 999--1004 S. Fujita Generalized Boltzmann Equation for a Quantum Gas Obeying Classical Statistics 1004--1008 Gerald L. Jones and Michael Davies Fluctuations in Equilibrium and Nonequilibrium Ensembles . . . . . . . . 1009--1014
Glen Baxter Weight Factors for the Two-Dimensional Ising Model . . . . . . . . . . . . . . 1015--1021 T. W. B. Kibble Conservation Laws for Free Fields . . . 1022--1026 R. Penney Tensorial Description of Neutrinos . . . 1026--1028 R. Penney Geometrization of a Massive Scalar Field 1029--1031 R. Penney Bosons and Fermions . . . . . . . . . . 1031--1034 R. W. Richardson Exact Eigenstates of the Pairing-Force Hamiltonian. II . . . . . . . . . . . . 1034--1051 Asher Peres Quantum Electrodynamics Without Indefinite Metric . . . . . . . . . . . 1052--1056 Bayard Rankin Quantum Mechanical Time . . . . . . . . 1057--1071 Richard Arens and Donald Babbitt Algebraic Difficulties of Preserving Dynamical Relations When Forming Quantum-Mechanical Operators . . . . . . 1071--1075 H. M. Fried Functional Expansion in Peratization Theory . . . . . . . . . . . . . . . . . 1076--1082 M. D. Girardeau Off-Diagonal Long-Range Order and Generalized Bose Condensation . . . . . 1083--1098 Dave Pandres Schrödinger Basis for Spinor Representations of the Three-Dimensional Rotation Group . . . . . . . . . . . . . 1098--1102 Nazakat Ullah Asymptotic Reduced-Width Amplitude Distributions . . . . . . . . . . . . . 1102--1105 F. Calogero Sufficient Conditions for an Attractive Potential to Possess Bound States. II 1105--1107 J. Korringa Variational Principle for Diffraction of Elastic Waves . . . . . . . . . . . . . 1107--1114 H. H. Aly and Riazuddin and A. H. Zimerman Scattering by Singular Logarithmic Potential . . . . . . . . . . . . . . . 1115--1117 Robert L. Zimmerman Evaluation of Feynman's Functional Integrals . . . . . . . . . . . . . . . 1117--1124 I. Kuscer and P. F. Zweifel Time-Dependent One-Speed Albedo Problem for a Semi-Infinite Medium . . . . . . . 1125--1130 J. G. Fikioris Asymptotic Expansions of Solutions of Differential Equations . . . . . . . . . 1131--1148 J. G. Taylor On Polynomial Systems in a Banach Ring 1148--1151 Tohru Morita and Tomoyasu Tanaka Effect of $n$-Spin-Wave Interaction on the Low-Temperature Spontaneous Magnetization . . . . . . . . . . . . . 1152--1154 Kurt Symanzik Proof and Refinements of an Inequality of Feynman . . . . . . . . . . . . . . . 1155--1156 R. P. Gilbert and H. C. Howard and S. Aks Singularities of Analytic Functions Having Integral Representations, with a Remark about the Elastic Unitarity Integral . . . . . . . . . . . . . . . . 1157--1162 Peter J. Redmond Solution of the Klein--Gordon and Dirac Equations for a Particle with a Plane Electromagnetic Wave and a Parallel Magnetic Field . . . . . . . . . . . . . 1163--1169 Charles M. Sommerfield Solution of the Integral Equation for $V \theta$ Scattering in the Lee Model . . 1170--1172 Arthur Jaffe On the Approximation of Quantum Field Theories . . . . . . . . . . . . . . . . 1172--1178
Cah\"\it Arf and Kaya Ïmre and Ercüment Öz\"\izm\"\ir On the Algebraic Structure of the Cluster Expansion in Statistical Mechanics . . . . . . . . . . . . . . . 1179--1188 S. Sherman Cluster-Star Inversion and the Möbius Formula . . . . . . . . . . . . . . . . 1189--1192 G. Stell Cluster-Star Inversion by Means of Generating Functionals . . . . . . . . . 1193--1200 Stanislaw L. Bazanski Decomposition of the Lorentz Transformation Matrix into Skew-Symmetric Tensors . . . . . . . . . 1201--1203 N. Karayianis Atomic Terms for Equivalent Electrons 1204--1209 John Langerholc Trace Formalism for Quantum Mechanical Expectation Values . . . . . . . . . . . 1210--1218 Edward H. Kerner Can the Position Variable be a Canonical Coordinate in a Relativistic Many-Particle Theory? . . . . . . . . . 1218--1227 S. K. Bose and S. N. Biswas Quantum Electrodynamics with Vanishing Bare Fermion Mass . . . . . . . . . . . 1227--1230 Harold Levine Scattering of Surface Waves by a Submerged Circular Cylinder . . . . . . 1231--1243 H. E. Moses Transformation from a Linear Momentum to an Angular Momentum Basis for Relativistic Particles of Nonzero Mass and Any Spin . . . . . . . . . . . . . . 1244--1254 István Ozsváth Homogeneous Solutions of the Einstein--Maxwell Equations . . . . . . 1255--1265 István Ozsváth All Homogeneous Solutions of Einstein's Field Equations with Incoherent Matter and Electromagnetic Radiation . . . . . 1265--1268 Gerald Rosen Particlelike Solutions to Nonlinear Scalar Wave Theories . . . . . . . . . . 1269--1272 P. Rudra On Projective Representations of Finite Groups . . . . . . . . . . . . . . . . . 1273--1277 P. Rudra On Irreducible Representations of Space Groups . . . . . . . . . . . . . . . . . 1278--1282 J. L. Lebowitz and G. Stell and S. Baer Separation of the Interaction Potential into Two Parts in Treating Many-Body Systems. I. General Theory and Applications to Simple Fluids with Short-Range and Long-Range Forces . . . 1282--1298 A. Schild and J. A. Schlosser Fokker Action Principle for Particles with Charge, Spin, and Magnetic Moment 1299--1306 Ernest E. H. Shin Born Reciprocity Principle and Unitary Symmetry . . . . . . . . . . . . . . . . 1307--1309 R. Penney Geometric Theory of Neutrinos . . . . . 1309--1314 J. Tharrats and O. Cerceau and O. Rojo General Operator Potential for the Two-Nucleon System . . . . . . . . . . . 1315--1320 Leonard Eyges Improved Method for Quantum Mechanical Three-Body Problems. I. Attractive Potentials . . . . . . . . . . . . . . . 1320--1328 E. C. G. Sudarshan Concerning Space--time, Symmetry Groups, and Charge Conservation . . . . . . . . 1329--1331 Yung Ming Chen Diffraction by a Smooth Transparent Object. II. Diffraction by a Cylindrical Cavity . . . . . . . . . . . . . . . . . 1332--1333 M. C. Pease Scalar Invariants of a Rotational System in a Lie Algebra. II. Casimir Operators 1334--1340 Per-Olov Löwdin Studies in Perturbation Theory. IX. Connection Between Various Approaches in the Recent Development-Evaluation of Upper Bounds to Energy Eigenvalues in Schrödinger's Perturbation Theory . . . . 1341--1353 Matts Roos Erratum: ``On the Construction of a Unitary Matrix with Elements of Given Moduli'' . . . . . . . . . . . . . . . . 1354--1354 Saul Silven Errata: ``Application of Operational Methods to The Analysis of Uniform Plasmas'' . . . . . . . . . . . . . . . 1354--1354
C. R. Hagen and A. J. Macfarlane Reduction of Representations of ${\rm SU}_{mn}$ with respect to the Subgroup ${\rm SU}_m \otimes {\rm SU}_n$ . . . . 1355--1365 C. R. Hagen and A. J. Macfarlane Reduction of Representations of ${\rm SU}_{m + n}$ with respect to the Subgroup ${\rm SU}_m \otimes {\rm SU}_n$ 1366--1371 Jean-Marc Lévy-Leblond and Monique Lévy-Nahas Symmetrical Coupling of Three Angular Momenta . . . . . . . . . . . . . . . . 1372--1380 Claude Itzykson On the Possibility of Relating Internal Symmetries and Lorentz Invariance . . . 1381--1386 P. Szekeres The Gravitational Compass . . . . . . . 1387--1391 Colin J. Thompson Algebraic Derivation of the Partition Function of a Two-Dimensional Ising Model . . . . . . . . . . . . . . . . . 1392--1395 E. Gerjuoy Momentum-Transfer Theorem for Inelastic Processes . . . . . . . . . . . . . . . 1396--1402 Charles A. Johnson and G. D. Chakerian On the Proof and Uniqueness of Wulff's Construction of the Shape of Minimum Surface Free Energy . . . . . . . . . . 1403--1404 A. Papapetrou Theorem on Nonradiative Electromagnetic and Gravitational Fields . . . . . . . . 1405--1410 Hirsh Cohen and Farouk Odeh Backward Superconducting Switching . . . 1411--1424 A. J. Coleman Structure of Fermion Density Matrices. II. Antisymmetrized Geminal Powers . . . 1425--1431 Jean Ginibre Reduced Density Matrices of Quantum Gases. III. Hard-Core Potentials . . . . 1432--1446
Robert B. Griffiths Microcanonical Ensemble in Quantum Statistical Mechanics . . . . . . . . . 1447--1461 Robert M. May Magnetic Properties of Charged Ideal Quantum Gases in n Dimensions . . . . . 1462--1468 J. B. Boyling A Proof of Nakanishi's Inequality . . . 1469--1471 Arthur R. Swift Mixing of Regge Poles and Cuts in a Field-Theory Model . . . . . . . . . . . 1472--1481 Rémi Hakim A Covariant Theory of Relativistic Brownian Motion I. Local Equilibrium . . 1482--1495 Frank C. Andrews On the Solution of the BBGKY Equations for a Dense Classical Gas . . . . . . . 1496--1505 Morton E. Gurtin Variational Principle for the Time-Dependent Schrödinger Equation . . . 1506--1507 Leonard Sarason Hydromagnetic Switch-on Shocks . . . . . 1508--1518 J. Voisin On Some Unitary Representations of the Galilei Group I. Irreducible Representations . . . . . . . . . . . . 1519--1529 A. P. Balachandran Inequalities for the Solutions of Linear Integral Equations . . . . . . . . . . . 1530--1533 M. L. Whippman Branching Rules for Simple Lie Groups 1534--1539 T. A. Brody and M. Moshinsky and I. Renero Recursion Relations for the Wigner Coefficients of Unitary Groups . . . . . 1540--1546 L. K. Pandit and N. Mukunda Algebraic Tabulation of the Clebsch--Gordan Coefficients for Reduction of the Product $(\lambda, \mu) \oplus (3, 0)$ of Irreducible Representations of ${\rm SU}(3)$ . . . . 1547--1557 M. C. Pease Formalization of the Lagrangian, the Hamiltonian, and Related Concepts . . . 1558--1563 Jean-Marc Lévy-Leblond and François Lurçat $N$-Particle Kinematics and Group-Theoretical Treatment of Phase Space I. Nonrelativistic . . . . . . . . 1564--1570 Jean-Marc Lévy-Leblond and Monique Lévy-Nahas Three-Particle Nonrelativistic Kinematics and Phase Space . . . . . . . 1571--1575 Daniel Iagolnitzer $S$-Matrix Theory and Double Scattering 1576--1583 Jean-Robert Derome and W. T. Sharp Racah Algebra for an Arbitrary Group . . 1584--1590 C. L. Hammer and T. A. Weber Time-Dependent Perturbation Theory . . . 1591--1606
R. Penney On the Dimensionality of the Real World 1607--1611 Harry H. Denman Invariance and Conservation Laws in Classical Mechanics . . . . . . . . . . 1611--1616 John G. Fikioris Electromagnetic Field inside a Current-Carrying Region . . . . . . . . 1617--1620 A. J. Dragt Relativistic Three-Particle ${\rm SU}_3$ States . . . . . . . . . . . . . . . . . 1621--1625 S. Ò. Aks and R. P. Gilbert and H. C. Howard Analytic Properties of the Elastic Unitarity Integral . . . . . . . . . . . 1626--1634 Heinz J. Rothe Crossing Symmetric Regge Representation for the Invariant Scattering Amplitude 1635--1642 Michael E. Fisher Correlation Functions and the Coexistence of Phases . . . . . . . . . 1643--1653 Harry Gelman and Kurt Haller Alternative Formulations of Scattering in Model Field Theories . . . . . . . . 1653--1663 Charles M. Chambers Higher-Dimensional Periodic Systems . . 1664--1666 John R. Klauder Rotationally-Symmetric Model Field Theories . . . . . . . . . . . . . . . . 1666--1679 Joseph Shapiro Matrix Representation of the Angular Momentum Projection Operator . . . . . . 1680--1691 E. A. Burke Solution of an Atomic Integral Containing Three Odd Powers of Interelectronic Separation Coordinates 1691--1695 John Boardman Contributions to the Quantization Problem in General Relativity . . . . . 1696--1701 Michael M. Broido On the Complete Unitarity Equations for Pion-Pion Scattering . . . . . . . . . . 1702--1708 W. H. Carnahan Threshold Regge Poles for Coupled Channels . . . . . . . . . . . . . . . . 1709--1719 F. Catara and M. Di Toro On the Bound-State Wavefunctions of a Nonlocal Solvable Potential . . . . . . 1720--1722 Joseph C. Y. Chen On a Set of Coupled Second-Order Differential Equations . . . . . . . . . 1723--1729 Henri Cornille and Enrico Predazzi Singular Logarithmic Potentials in Coordinate Space . . . . . . . . . . . . 1730--1740 Robert J. Hardy and Robert J. Swenson and William C. Schieve Perturbation Expansion for Lattice Thermal Conductivity . . . . . . . . . . 1741--1748 Robert J. Hardy Lowest-Order Contribution to the Lattice Thermal Conductivity . . . . . . . . . . 1749--1761 Klaus Hepp One-Particle Singularities of the $S$-Matrix in Quantum Field Theory . . . 1762--1767 Robert Hermann Remarks on the Geometric Nature of Quantum Phase Space . . . . . . . . . . 1768--1771 E. Kazes Solution of an Integral Equation in $V$--$\theta$ Scattering . . . . . . . . 1772--1773 Y. Le Gaillard and A. Visconti On the Structure of the Finite Parts of the Generating Functional of Propagators in Quantumelectrodynamics . . . . . . . 1774--1785 James D. Louck Group Theory of Harmonic Oscillators in $n$-Dimensional Space . . . . . . . . . 1786--1804 Richard M. More New Variational Scheme for Finding the Excited States of One-Dimensional Systems . . . . . . . . . . . . . . . . 1804--1805 Ezra T. Newman and T. W. J. Unti Note on the Dynamics of Gravitational Sources . . . . . . . . . . . . . . . . 1806--1811 Colin J. Thompson Inequality with Applications in Statistical Mechanics . . . . . . . . . 1812--1813 H. Unz Oblique Incidence on Plane Boundary between Two General Gyrotropic Plasma Media . . . . . . . . . . . . . . . . . 1813--1821 J. Voisin On the Unitary Representations of the Galilei Group. II. Two-Particle Systems 1822--1832 C. C. Yan and G. H. Wannier Observations on the Spherical Model of a Ferromagnet . . . . . . . . . . . . . . 1833--1838 John M. Myers Wave Scattering and the Geometry of a Strip . . . . . . . . . . . . . . . . . 1839--1846
G. E. Baird and L. C. Biedenharn On the Representations of the Semisimple Lie Groups. V. Some Explicit Wigner Operators for ${\rm SU}_3$ . . . . . . . 1847--1854 D. Bergmann and Y. Frishman A Relation between the Hydrogen Atom and Multidimensional Harmonic Oscillators 1855--1856 R. M. Bevensee Quantum Electrodynamics of the Stimulated Emission of Radiation. II . . 1857--1870 Leslie L. Foldy Cartesian Tensors in Spaces with an Indefinite Metric with Applications to Relativity . . . . . . . . . . . . . . . 1871--1876 S. Fujita Thermodynamic Evolution Equation for a Quantum Statistical Gas . . . . . . . . 1877--1885 G. Källén and J. S. Toll Momentum-Space Analyticity Properties of the Bergman--Weil Integral for the Three Point Function . . . . . . . . . . . . . 1885--1901 Joseph W. Kane and Leo P. Kadanoff Green's Functions and Superfluid Hydrodynamics . . . . . . . . . . . . . 1902--1912 Yutaka Kano A New Phase-Space Distribution Function in the Statistical Theory of the Electromagnetic Field . . . . . . . . . 1913--1915 Shigetoshi Katsura and Sakari Inawashiro An Exactly Soluble Model Showing Ferromagnetism . . . . . . . . . . . . . 1916--1922 Kailash Kumar Expansion of a Function of Noncommuting Operators . . . . . . . . . . . . . . . 1923--1927 Kailash Kumar On Expanding the Exponential . . . . . . 1928--1934 C. D. Maldonado Note on Orthogonal Polynomials which are ``Invariant in Form'' to Rotations of Axes . . . . . . . . . . . . . . . . . . 1935--1938 N. J. McCormick and I. Kuscer Half-Space Neutron Transport with Linearly Anisotropic Scattering . . . . 1939--1945 Ali Hasan Nayfeh An Expansion Method for Treating Singular Perturbation Problems . . . . . 1946--1951 R. F. O'Connell and D. R. Tompkins Generalized Solutions for Massless Free Fields and Consequent Generalized Conservation Laws . . . . . . . . . . . 1952--1954 Bengt Petersson Reduction of a One-Loop Feynman Diagram with $n$ Vertices in $m$-Dimensional Lorentz Space . . . . . . . . . . . . . 1955--1959 J. C. Polkinghorne The Froissart--Gribov Continuation and Reggeon Unitarity Conditions. I . . . . 1960--1966 Eugene W. Urban Critical Störmer Conditions in Quadrupole and Double Ring-Current Fields . . . . . 1966--1975 S. Teitler Isotopic Space, Complex Conjugation, and U$_3$ Symmetry for Particles . . . . . . 1976--1979 T. A. Weber and S. A. Williams Spin-Matrix Polynomials and the Rotation Operator for Arbitrary Spin . . . . . . 1980--1983 Charles R. Willis A Model of Interacting Radiation and Matter. II . . . . . . . . . . . . . . . 1984--1994 M. Wyman and R. Trollope Null Fields in Einstein--Maxwell Field Theory . . . . . . . . . . . . . . . . . 1995--2007 C. Yeh Perturbation Method in the Diffraction of Electromagnetic Waves by Arbitrarily Shaped Penetrable Obstacles . . . . . . 2008--2013 Sidney Coleman Erratum: The Clebsch--Gordan Series for ${\rm SU}(3)$ . . . . . . . . . . . . . 2014--2014 H. E. Moses Erratum: ``Transformation from a Linear Momentum to an Angular Momentum Basis for Particles of Zero Mass and Finite Spin'' . . . . . . . . . . . . . . . . . 2014--2014
H. H. Aly and H. J. W. Müller Scattering by the Singular Potential r$^{-4}$ . . . . . . . . . . . . . . . . 1--9 K. Bardakci and B. Schroer Local Approximation in Renormalizable and Nonrenormalizable Theories. I . . . 10--15 K. Bardakci and B. Schroer Local Approximations in Renormalizable and Nonrenormalizable Theories. II . . . 16--26 Yau W. Chan On Series Expansion of a Determinant and Solution of the Secular Equation . . . . 27--34 P. C. Hemmer and E. Hiis Hauge and J. O. Aasen Distribution of Zeros of the Grand Partition Function . . . . . . . . . . . 35--39 J. S. R. Chisholm Approximation by Sequences of Padé Approximants in Regions of Meromorphy 39--44 A. Das Complex Space--time and Classical Field Theory. I . . . . . . . . . . . . . . . 45--51 A. Das The Quantized Complex Space--time and Quantum Theory of Free Fields. II . . . 52--60 A. Das Complex Space--time and Geometrization of Electromagnetism. III . . . . . . . . 61--63 J. Dilley and A. O. Barut Asymptotic Behavior of the Scattering Amplitude in the Left Half-Plane of Complex Angular Momentum . . . . . . . . 64--65 James C. T. Pool Mathematical Aspects of the Weyl Correspondence . . . . . . . . . . . . . 66--76 Gordon N. Fleming Physical Region Decoupling Procedure for Coupled Channel Scattering Amplitudes 76--80 C. A. Hurst Relation between the Onsager and Pfaffian Methods for Solving the Ising Problem. II. The General Lattice . . . . 81--87 B. Jaksi\'c and N. Limi\'c Asymptotic Behavior of Phase Shift in $\lambda$ for Strongly Singular Potentials . . . . . . . . . . . . . . . 88--97 J. L. Lebowitz and O. Penrose Rigorous Treatment of the van der Waals--Maxwell Theory of the Liquid-Vapor Transition . . . . . . . . 98--113 K. H. Mariwalla Representation of Discrete Symmetry Operators . . . . . . . . . . . . . . . 114--122 J. B. McGuire Interacting Fermions in One Dimension. II. Attractive Potential . . . . . . . . 123--132 C. L. Mehta and E. Wolf and A. P. Balachandran Some Theorems on the Unimodular Complex Degree of Optical Coherence . . . . . . 133--138 Maria Miasek Application of Houston's Method to the Sum of Plane Waves over the Brillouin Zone. I. Simple-Cubic and Face-Centered-Cubic Lattices . . . . . . 139--147 Jan Lopuszanski and Helmut Reeh On a Quantum Field Theory with Degenerate Vacuum and a Special Type of Symmetry . . . . . . . . . . . . . . . . 148--154 M. Misra Some Exact Solutions of the Field Equations of General Relativity . . . . 155--158 Leonard M. Scarfone Lehmann--Symanzik--Zimmermann Formalism in a Model Field Theory . . . . . . . . 159--162 David Shelupsky Translations of the Discrete Bose--Einstein Operators . . . . . . . . 163--166 Ernest E. H. Shin Space--time Theory of Elementary Particles. I. Born Reciprocity Principle 167--173 Ernest E. H. Shin Space--time Theory of Elementary Particles. II. Complex Minkowski Space Formalism . . . . . . . . . . . . . . . 174--180 John R. Taylor Spin and Isospin in $S$-Matrix Theory 181--196
Yrjö Ahmavaara Structure of Space and the Formalism of Relativistic Quantum Theory. III . . . . 197--201 Yrjö Ahmavaara Structure of Space and the Formalism of Relativistic Quantum Theory. IV . . . . 201--204 J. A. Castilho Alcarás and V. C. Aguilera Navarro and P. Leal Ferreira Applications of the Gel'fand--Moshinsky Bases in Unitary Symmetry and its Breaking . . . . . . . . . . . . . . . . 205--214 Victor A. Alessandrini Faddeev-Type Equations for the Four-Body Problem . . . . . . . . . . . . . . . . 215--220 Raphael Aronson and David Leon Yarmush Transfer-Matrix Method for Gamma-Ray and Neutron Penetration . . . . . . . . . . 221--237 Dieter R. Brill and Jeffrey M. Cohen Cartan Frames and the General Relativistic Dirac Equation . . . . . . 238--243 Leon Cohen Expansion Theorem for Functions of Operators . . . . . . . . . . . . . . . 244--245 H. Cohen and C. N. DeSilva Nonlinear Theory of Elastic Surfaces . . 246--253 Leopoldo S. García-Colín and Asdrúbal Flores The Generalization of Choh--Uhlenbeck's Method in the Kinetic Theory of Dense Gases . . . . . . . . . . . . . . . . . 254--259 Michael E. Fisher and David Ruelle The Stability of Many-Particle Systems 260--270 Marcel Guenin Axiomatic Foundations of Quantum Theories . . . . . . . . . . . . . . . . 271--282 H. Harari On the Reduction of Direct Products of the Irreducible Representations of ${\rm SU}(n)$ . . . . . . . . . . . . . . . . 283--285 Robert E. Hartwig Monomer Pair Correlations . . . . . . . 286--299 W. Hunziker On the Space--time Behavior of Schrödinger Wavefunctions . . . . . . . . 300--304 C. A. Hurst New Approach to the Ising Problem . . . 305--310 C. Edward Jones and George Tiktopoulos Numerical Solution of Non-Fredholm (Singular) Integral Equations by Matrix Inversion . . . . . . . . . . . . . . . 311--315 C. Lanczos Metrical Lattice and the Problem of Electricity . . . . . . . . . . . . . . 316--324 Peter M. Livingston Methods of Quadrature for Euler Transform Integrals . . . . . . . . . . 325--333 M. A. Melvin and J. S. Wallingford Orbits in a Magnetic Universe . . . . . 333--340 M. L. Mehta and P. K. Srivastava Correlation Functions for Eigenvalues of Real Quaternian Matrices . . . . . . . . 341--344 M. R. Mendelson First-Order Solutions of the One-Speed Transport Equation in Plane Multiregion Geometries . . . . . . . . . . . . . . . 345--355 Antonio Pagnamenta $V \Theta$-Bound State and Uniqueness in the Three-Particle Sector of the Lee Model . . . . . . . . . . . . . . . . . 356--365 M. Pauri and G. M. Prosperi Canonical Realizations of Lie Symmetry Groups . . . . . . . . . . . . . . . . . 366--375 Robert E. Pugh $S$-Operator Theory. II. Quantum Electrodynamics . . . . . . . . . . . . 376--384 R. J. Rivers Gauge Approximations in Mesodynamics . . 385--394 Ralph Roskies Internal Symmetry and Mass Splitting . . 395--398 John Waters and Joseph Ford A Method of Solution for Resonant Nonlinear Coupled Oscillator Systems . . 399--403 Charles R. Willis Model of Interacting Radiation and Matter. III. Multimode Gas Lasers . . . 404--412
Norman W. Bazley and David W. Fox Error Bounds for Approximations to Expectation Values of Unbounded Operators . . . . . . . . . . . . . . . 413--416 Edmund H. Brown On the Complex Structure of the Universe 417--425 A. Chakrabarti On the $L$--$S$ Basis of the Poincaré Group for the Case of Nonzero Rest Mass 426--430 R. P. Gilbert and S. Y. Shieh A New Method in the Theory of Potential Scattering . . . . . . . . . . . . . . . 431--433 Haim Goldberg On the Coupling and Recoupling of Relativistic States . . . . . . . . . . 434--442 R. Kantowski and R. K. Sachs Some Spatially Homogeneous Anisotropic Relativistic Cosmological Models . . . . 443--446 Bruria Kaufman Special Functions of Mathematical Physics from the Viewpoint of Lie Algebra . . . . . . . . . . . . . . . . 447--457 D. J. Lamb Multipole Moments in Einstein's Gravitational Theory . . . . . . . . . . 458--463 J. E. Moyal A General Theory of First-Passage Distributions in Transport and Multiplicative Processes . . . . . . . . 464--473 Herbert Payne Approximate Solution of Hill's Equation 474--478 R. Penney Geometrization of a Complex Scalar Field. I. Algebra . . . . . . . . . . . 479--481 F. Rohrlich and M. Wilner Functional Differential Calculus of Operators. II . . . . . . . . . . . . . 482--493 Helmut Schmidt Model of an Oscillating Cosmos which Rejuvenates during Contraction . . . . . 494--509 K. Symanzik Euclidean Quantum Field Theory. I. Equations for a Scalar Model . . . . . . 510--525 L. N. Tao On Variational Principles for Electromagnetic Theory . . . . . . . . . 526--530 Colin J. Thompson Phase Transition of a Two-Dimensional Continuum-Ising Model . . . . . . . . . 531--534 T. W. J. Unti and R. J. Torrence Theorem on Gravitational Fields with Geodesic Rays . . . . . . . . . . . . . 535--538 Klaus Ruedenberg and Kiyosi O-Ohata and D. G. Wilson Overlap Integrals between Atomic Orbitals . . . . . . . . . . . . . . . . 539--546 Kiyosi O-Ohata and Klaus Ruedenberg Two-Center Coulomb Integrals between Atomic Orbitals . . . . . . . . . . . . 547--559 Jan Tarski Solution of the Bloch--Nordsieck Model 560--573 Daniel A. Dubin and Jan Tarski Indefinite Metric Resulting from Regularization in the Infrared Region 574--577 F. M. Eger and E. P. Gross Point Transformations and the Hard-Sphere Bose Gas . . . . . . . . . . 578--582 H. M. Fried Functional Formulation of the Lee Model 583--588
Raphael Aronson A Perturbation Method for the Classical Time-Dependent Pair Correlation Function 589--602 J. F. Boyce Asymptotic Renormalizability Conditions on Field Propagators . . . . . . . . . . 603--607 C. D. Collinson Empty Space--times of Embedding Class Two . . . . . . . . . . . . . . . . . . 608--611 Jean-Robert Derome Symmetry Properties of the $3$$j$-Symbols for an Arbitrary Group 612--615 Hugh E. DeWitt Statistical Mechanics of High-Temperature Quantum Plasmas Beyond the Ring Approximation . . . . . . . . . 616--626 William F. Ford Limiting Forms of the Screened Coulomb $T$ Matrix . . . . . . . . . . . . . . . 626--633 Kenneth D. Granzow Multipole Theory in the Time Domain . . 634--640 M. G. Gundzik A Continuous Representation of an Indefinite Metric Space . . . . . . . . 641--651 Jamal N. Islam Leading Landau Curves of a Class of Feynman Diagrams . . . . . . . . . . . . 652--660 Joseph B. Keller and Frank C. Karal Effective Dielectric Constant, Permeability, and Conductivity of a Random Medium and the Velocity and Attenuation Coefficient of Coherent Waves . . . . . . . . . . . . . . . . . 661--670 Kailash Kumar Talmi Transformation for Unequal-Mass Particles and Related Formulas . . . . . 671--678 A. Minguzzi Analyticity Properties of the Scattering Amplitude . . . . . . . . . . . . . . . 679--681 Chanchal K. Majumdar Continuity of Bound and Unbound States in a Fermi Gas: A Soluble Example . . . 682--690 M. Moshinsky Gelfand States and the Irreducible Representations of the Symmetric Group 691--698 Noboru Nakanishi Poles of the Proper Vertex Function in the Bethe--Salpeter Formalism . . . . . 698--701 Per O. M. Olsson Analytic Continuations of Higher-Order Hypergeometric Functions . . . . . . . . 702--710 R. D. Poshusta and F. A. Matsen Permutation-Algebraic Formulation of Spin-Free Transition Density Matrices 711--720 Tatuya Sasakawa Solution of Schrödinger Equation Involving Time . . . . . . . . . . . . . 721--741 Arnold J. F. Siegert and Emmanuel Meeron Generalizations of the Virial and Wall Theorems in Classical Statistical Mechanics . . . . . . . . . . . . . . . 741--750 Peter Szekeres On the Propagation of Gravitational Fields in Matter . . . . . . . . . . . . 751--761 Nazakat Ullah Asymptotic Correlations of the Hamiltonian Matrix Elements . . . . . . 762--764 Jonas Stasys Zmuidzinas Unitary Representations of the Lorentz Group on $4$-Vector Manifolds . . . . . 764--780
Leon Cohen Generalized Phase-Space Distribution Functions . . . . . . . . . . . . . . . 781--786 Sidney Coleman The Invariance of the Vacuum is the Invariance of the World . . . . . . . . 787--787 George Contopoulos Adiabatic Invariants and the ``Third'' Integral . . . . . . . . . . . . . . . . 788--797 Hugh De Witt and Paul Fishbane Failure of the Mayer Irreducible Cluster Theorem with Wave Mechanics . . . . . . 798--801 John Day Dollard Adiabatic Switching in the Schrödinger Theory of Scattering . . . . . . . . . . 802--810 D. B. Fairlie Structure of the Crossing Matrix for Arbitrary Internal Symmetry Groups . . . 811--815 J. Fischer and J. Niederle and R. Raczka Generalized Spherical Functions for the Noncompact Rotation Groups . . . . . . . 816--821 J. R. Klauder and J. McKenna and E. J. Woods Direct-Product Representations of the Canonical Commutation Relations . . . . 822--828 J. H. Marburger Conditions for the Existence of Closed Solutions by the Normal Ordering Method 829--832 Janusz Mika The Initial-Value Problem for a Slab. I. Anisotropic Scattering . . . . . . . . . 833--838 Janusz Mika The Initial-Value Problem for a Slab. II. Nonuniform Slab . . . . . . . . . . 839--843 Richard A. Morrow The Physical Regions of Many-Particle Processes . . . . . . . . . . . . . . . 844--848 N. Mukunda and T. F. Jordan Determination of Optical Field Correlations from Photon Counts . . . . 849--853 M. V. Murthy Ray Representations of Finite Nonunitary Groups . . . . . . . . . . . . . . . . . 853--857 I. J. Muzinich The Implications of Unitarity on Possible Higher Symmetries . . . . . . . 858--862 E. T. Newman and R. Penrose Note on the Bondi--Metzner--Sachs Group 863--870 E. A. Remler Spectrum of the S Operator . . . . . . . 871--874 Jonathan L. Rosner Exchange of Massive Particles in the Bethe--Salpeter Equation . . . . . . . . 875--884 D. A. Uhlenbrock Properties of Quantum Statistical Expectation Values . . . . . . . . . . . 885--893 Hugo D. Wahlquist and Frank B. Estabrook Rigid Motions in Einstein Spaces . . . . 894--905 Luciano Fonda and Gian' Carlo Ghirardi Determination of the Parameters of Model Field Theories from Phase Shifts and Bound-States Energies . . . . . . . . . 906--915 Gérard Emch and Marcel Guenin Gauge Invariant Formulation of the BCS Model . . . . . . . . . . . . . . . . . 915--921 Robert A. Piccirelli Some Properties of the Long-Time Values of the Probability Densities for Moderately Dense Gases . . . . . . . . . 922--934 P. Rudra On Irreducible Tensor Operators for Finite Groups . . . . . . . . . . . . . 935--937 Leonard Eyges Improved Method for Quantum Mechanical Three-Body Problems. II. Repulsive Potentials . . . . . . . . . . . . . . . 938--948
A. Chakrabarti Unified Unitary Representation of the Poincaré Group for Particles of Zero and Positive Rest Mass . . . . . . . . . . . 949--955 H. Barry Bebb Generalized Discrete-Continuum Radial Integrals with Coulomb Functions . . . . 955--959 H. Cohen and C. N. DeSilva Nonlinear Theory of Elastic Directed Surfaces . . . . . . . . . . . . . . . . 960--966 Douglas G. Currie and Eugene J. Saletan $q$-Equivalent Particle Hamiltonians. I. The Classical One-Dimensional Case . . . 967--974 W. R. Davis and M. K. Moss On the Development of the Covariant Formulation of the Conservation Laws of General Relativity . . . . . . . . . . . 975--976 Harold Falk Upper and Lower Bounds for Canonical Ensemble Averages . . . . . . . . . . . 977--979 Claude George and Monique Lévy-Nahas Finite-Dimensional Representations of Some Non-Semisimple Lie Algebras . . . . 980--988 C. R. Hagen Higher-Order Poles in the $S$-Matrix . . 989--990 Richard L. Liboff Dynamics of Certain Spherical Charge Distributions . . . . . . . . . . . . . 991--997 Martin Kummer The Most General Clebsch--Gordan Coefficients of the Universal Covering Group of the Inhomogeneous Lorentz Group 997--1015 Elliott Lieb Quantum-Mechanical Extension of the Lebowitz--Penrose Theorem on the van der Waals Theory . . . . . . . . . . . . . . 1016--1024 S. C. Maitra Stationary Dust-Filled Cosmological Solution with $\Lambda = 0$ and without Closed Timelike Lines . . . . . . . . . 1025--1030 D. J. McGuinness Nonhomogeneous Differential Equation with a Second-Order Turning Point . . . 1030--1037 N. David Mermin A Short Simple Evaluation of Expressions of the Debye--Waller Form . . . . . . . 1038--1038 Tohru Morita Derivation of the Generalized Boltzmann Equation in Quantum Statistical Mechanics . . . . . . . . . . . . . . . 1039--1045 S. Nussinov Theorem on the Clebsch--Gordan Series in ${\rm SU}(n)$ . . . . . . . . . . . . . 1046--1048 W. F. Parks On Alternate Commutation Relations . . . 1049--1053 Eduard Prugovecki An Axiomatic Approach to the Formalism of Quantum Mechanics. I. . . . . . . . . 1054--1069 Eduard Prugovecki An Axiomatic Approach to the Formalism of Quantum Mechanics. II. . . . . . . . 1070--1096 J. E. Roberts The Dirac Bra and Ket Formalism . . . . 1097--1104 R. T. Sharp and Hans Von Baeyer Polynomial Bases and Isoscalar Factors for ${\rm SU}(3)$ . . . . . . . . . . . 1105--1122 John Stephenson Ising Model Spin Correlations on the Triangular Lattice. II. Fourth-Order Correlations . . . . . . . . . . . . . . 1123--1132 F. J. Ynduráin $S$-Matrix Formalism, Charge Renormalization, and Definition of the Hamiltonian in a Simple Field-Theoretical Model . . . . . . . . 1133--1136 David M. Zipoy Topology of Some Spheroidal Metrics . . 1137--1143 G. E. Backus and F. Gilbert Note on Product Integrals . . . . . . . 1144--1144
C. J. Bradley Space Groups and Selection Rules . . . . 1145--1152 Willard R. Chappell Kinetic Equation for the Electron-Phonon Gas . . . . . . . . . . . . . . . . . . 1153--1157 Yutze Chow Majorization of Feynman Graphs . . . . . 1158--1170 W. J. Cocke Some Collapsing Cylinders and their Exterior Vacuum Metrics in General Relativity . . . . . . . . . . . . . . . 1171--1178 Philippe H. Droz-Vincent Covariant Conservation Laws for General Relativistic Exploding Matter . . . . . 1179--1184 J. R. Ellis Electromagnetic Fields of Moving Dipoles and Multipoles . . . . . . . . . . . . . 1185--1197 Gérard G. Emch Non-Markovian Model for the Approach to Equilibrium . . . . . . . . . . . . . . 1198--1206 Erasmo M. Ferreira and Antonio F. F. Teixeira On the Poles of the S Matrix for Long-Range Potentials . . . . . . . . . 1207--1217 David Finkelstein Kinks . . . . . . . . . . . . . . . . . 1218--1225 Martin B. Halpern Solution of very Singular $N / D$ Equations --- An Approach to Nonrenormalizable Field Theory . . . . . 1226--1250 Arthur Jaffe Wick Polynomials at a Fixed Time . . . . 1250--1255 Martin D. Kruskal and Norman J. Zabusky Exact Invariants for a Class of Nonlinear Wave Equations . . . . . . . . 1256--1267 A. Lenard One-Dimensional Impenetrable Bosons in Thermal Equilibrium . . . . . . . . . . 1268--1272 P. Roman and J. J. Aghassi Classical Field Theory and Gravitation in a de Sitter World . . . . . . . . . . 1273--1283 Gerald Rosen Unitary Irreducible Representations of ${\rm SL}(3, R)$ . . . . . . . . . . . . 1284--1294 Paul W. Schmidt Small-Angle X-Ray Scattering from Rods and Platelets . . . . . . . . . . . . . 1295--1300 J. Sesma On the Chakrabarti Transformation . . . 1300--1302 Bohdan Shepelavey Global Covariant Conservation Laws in Riemannian Spaces. I . . . . . . . . . . 1303--1309 Bohdan Shepelavey Global Covariant Conservation Laws in Riemannian Spaces. II . . . . . . . . . 1310--1320 John J. Stachel Cylindrical Gravitational News . . . . . 1321--1331 C. D. Taylor On the Motion of Electrons Scattered from an Infinite Slab . . . . . . . . . 1332--1334 J. A. Tjon A Note on the Quantum Theory of Electrical Conductivity . . . . . . . . 1335--1336 Seymour J. Wolfson A Closed Form for Elsasser Integrals . . 1337--1339 M. L. Glasser Erratum: ``Note on the Evaluation of Some Fermi Integrals'' . . . . . . . . . 1340--1340 John G. Taylor Erratum: ``On Polynomial Systems in a Banach Ring'' . . . . . . . . . . . . . 1340--1340
Richard Arens Laws like Newton's . . . . . . . . . . . 1341--1348 Bruno Bertotti Doppler Measurement of Space--time Curvature . . . . . . . . . . . . . . . 1349--1350 J. B. Bronzan A Two-Meson Solution of the Charged Scalar Static Model . . . . . . . . . . 1351--1361 Vittorio Cantoni A Class of Representations of the Generalized Bondi--Metzner Group . . . . 1361--1364 T. W. Chen and F. Rohrlich and M. Wilner Role of Causality in Quantum Field Theory and the Dynamical Postulate . . . 1365--1371 Giacomo Della Riccia and Norbert Wiener Wave Mechanics in Classical Phase Space, Brownian Motion, and Quantum Theory . . 1372--1383 Jacques Des Cloizeaux and Michel Gaudin Anisotropic Linear Magnetic Chain . . . 1384--1400 Victor A. Dulock and Harold V. McIntosh Degeneracy of Cyclotron Motion . . . . . 1401--1412 Gérard G. Emch The Definition of States in Quantum Statistical Mechanics . . . . . . . . . 1413--1420 Lee M. Frantz Wave-Packet Derivation of Field-Theoretic Scattering Amplitude . . 1421--1435 Robert J. Hardy Concise Derivation of the Formulas for Lattice Thermal Conductivity . . . . . . 1435--1438 Robert J. Hardy and William C. Schieve Higher-Order Corrections to the Lattice Thermal Conductivity . . . . . . . . . . 1439--1452 Tudor Wyatt Johnston General Spherical Harmonic Tensors in the Boltzmann Equation . . . . . . . . . 1453--1458 N. Karayianis and C. A. Morrison and D. E. Wortman Exact Solutions for a Semi-Infinite Square Lattice Gas . . . . . . . . . . . 1458--1463 P. V. Landshoff and D. I. Olive Extraction of Singularities from the S Matrix . . . . . . . . . . . . . . . . . 1464--1477 D. Lurié and Y. Takahashi and H. Umezawa Generalized Ward Identity and Unified Treatment of Conservation Laws . . . . . 1478--1483 J. F. Nagle Lattice Statistics of Hydrogen Bonded Crystals. I. The Residual Entropy of Ice 1484--1491 J. F. Nagle Lattice Statistics of Hydrogen Bonded Crystals. II. The Slater KDP Model and the Rys $F$-Model . . . . . . . . . . . 1492--1496 H. H. Nickle Nonrelativistic Quantum Theory of an Electron in an Arbitrarily Intense Laser Field . . . . . . . . . . . . . . . . . 1497--1506 G. V. Ramanathan A New Cluster Scheme in Statistical Physics . . . . . . . . . . . . . . . . 1507--1514 Pierre C. Sabatier Asymptotic Properties of the Potentials in the Inverse-Scattering Problem at Fixed Energy . . . . . . . . . . . . . . 1515--1531 G. Stell and J. L. Lebowitz and S. Baer and W. Theumann Separation of the Interaction Potential into Two Parts in Statistical Mechanics. II. Graph Theory for Lattice Gases and Spin Systems with Application to Systems with Long-Range Potentials . . . . . . . 1532--1547 F. Zaccaria A Theorem on the Clebsch--Gordan Series in A ( l ), B ( l ), C ( l ), and D ( l ) . . . . . . . . . . . . . . . . . . . 1548--1551 Robert Zwanzig Probability and Entropy of Macroscopic Fluctuations . . . . . . . . . . . . . . 1552--1556
M. F. Sykes and J. W. Essam and B. R. Heap and B. J. Hiley Lattice Constant Systems and Graph Theory . . . . . . . . . . . . . . . . . 1557--1572 J. W. Essam and M. F. Sykes Percolation Processes. I. Low-Density Expansion for the Mean Number of Clusters in a Random Mixture . . . . . . 1573--1581 B. R. Heap The Enumeration of Homeomorphically Irreducible Star Graphs . . . . . . . . 1582--1587 John F. Nagle On Ordering and Identifying Undirected Linear Graphs . . . . . . . . . . . . . 1588--1592 P. V. Landshoff and D. I. Olive and J. C. Polkinghorne Normal Thresholds in Subenergy Variables 1593--1599 P. V. Landshoff and D. I. Olive and J. C. Polkinghorne The Icecream-Cone Singularity in $S$-Matrix Theory . . . . . . . . . . . 1600--1606 D. Atkinson Existence of Solutions of $N / D$ Equations . . . . . . . . . . . . . . . 1607--1612 F. A. Blood The $r$-Particle Distribution Function in Classical Physics . . . . . . . . . . 1613--1619 L. W. Bruch $N$ Degenerate Modes . . . . . . . . . . 1620--1624 David L. Farnsworth and Roy P. Kerr Homogeneous Dust-Filled Cosmological Solutions . . . . . . . . . . . . . . . 1625--1632 R. Finkelstein On Quantization in Space with Torsion 1632--1642 L. Fonda and G. C. Ghirardi and T. Weber and A. Rimini Analytic Properties of Resolvents and Completeness . . . . . . . . . . . . . . 1643--1647 Albert C. Giere Relativistic Hydromagnetic Waves and Group Velocity . . . . . . . . . . . . . 1648--1656 A. L. Licht Local States . . . . . . . . . . . . . . 1656--1669 S. Nussinov and J. Rosner Absorptive Parts and the Bethe--Salpeter Equation for Forward Scattering . . . . 1670--1679 Eduard Prugovecki A Formalism for Generalized Quantum Mechanics . . . . . . . . . . . . . . . 1680--1696 F. Rohrlich and J. G. Wray Ordering Theorems . . . . . . . . . . . 1697--1706 H. Scharfstein Algebraic Aspects of Trilinear Commutation Relations . . . . . . . . . 1707--1719 J. G. Taylor On the Existence of Field Theory. I. The Analytic Approach . . . . . . . . . . . 1720--1729 S. Teitler The Structure of $4$-Spinors . . . . . . 1730--1738 S. Teitler Lorentz Equivalence, Unitary Symmetry, and Spin Unitary Symmetry . . . . . . . 1739--1743 Nelly Ullman and Robert Ullman Numerical Solutions of Singular Fredholm Equations . . . . . . . . . . . . . . . 1743--1748
J. B. Boyling Construction of Vanishing Cycles for Integrals over Hyperspheres . . . . . . 1749--1763 J. Devooght Variation of Green's Functions . . . . . 1764--1770 James E. Faulkner The Existence of Closed Magnetic Surfaces . . . . . . . . . . . . . . . . 1771--1775 Michael E. Fisher On the Dimer Solution of Planar Ising Models . . . . . . . . . . . . . . . . . 1776--1781 J. V. Greenman High-Energy Behavior of Feynman Integrals with Spin. I . . . . . . . . . 1782--1796 B. Gruber On an Algebraic Method for the Decomposition of Direct Products of Representations of the Groups $A_2({\rm SU}(3))$ and ${\rm B}_2({\rm SO}(5))$ 1797--1801 Amnon Katz Scattering Cross Section for a Beam of Wave Packets . . . . . . . . . . . . . . 1802--1805 Donald H. Kobe Linked Cluster Theorem and the Green's Function Equations of Motion for a Many-Fermion System . . . . . . . . . . 1806--1820 Jan Lopuszanski and Helmut Reeh A Remark on a Reducible Quantum Field Theory with a One-Parameter Symmetry Group . . . . . . . . . . . . . . . . . 1821--1823 M. L. Mehta Classification of Irreducible Unitary Representations of Compact Simple Lie Groups. I . . . . . . . . . . . . . . . 1824--1832 M. L. Mehta and P. K. Srivastava Classification of Irreducible Unitary Representations of Compact Simple Lie Groups. II . . . . . . . . . . . . . . . 1833--1835 R. M. Misra and R. A. Singh Three-Dimensional Formulation of Gravitational Null Fields. I . . . . . . 1836--1840 Reikichi Nozawa Bipolar Expansion of Screened Coulomb Potentials, Helmholtz' Solid Harmonics, and their Addition Theorems . . . . . . 1841--1860 R. Raczka and N. Limi\'c and J. Niederle Discrete Degenerate Representations of Noncompact Rotation Groups. I . . . . . 1861--1876 Robert J. Rubin and Pieter Ullersma The Momentum Autocorrelation Function in a Bernoulli Chain . . . . . . . . . . . 1877--1885 T. S. Santhanam Some Remarks on the Construction of Invariants of Semisimple Local Lie Groups . . . . . . . . . . . . . . . . . 1886--1888
C. Abraham Transformation of Proca-Type System of Partial Differential Equations . . . . . 1889--1890 Lloyd Armstrong Relativistic Effects in Atomic Fine Structure . . . . . . . . . . . . . . . 1891--1899 George A. Baker and Roy Chisholm The Validity of Perturbation Series with Zero Radius of Convergence . . . . . . . 1900--1902 A. O. Barut and S. Komy Unitary and Antiunitary Ray Representations of the Product of n Commuting Parity Operators . . . . . . . 1903--1907 A. O. Barut On Irreducible Representation of a Class of Algebras and Related Projective Representations . . . . . . . . . . . . 1908--1910 Harry H. Denman Invariance and Conservation Laws in Classical Mechanics. II . . . . . . . . 1910--1915 David S. De Young Relativistic Spinor Formulation of Stokes Parameters with Application to the Inverse Compton Effect . . . . . . . 1916--1923 G. Flamand The Solution of a Stark-Effect Model as a Dynamical Group Calculation . . . . . 1924--1931 Moshé Flato and Daniel Sternheimer On the Connection between External and Internal Symmetries of Strongly Interacting Particles . . . . . . . . . 1932--1958 Gordon N. Fleming A Manifestly Covariant Description of Arbitrary Dynamical Variables in Relativistic Quantum Mechanics . . . . . 1959--1981 R. Handelsman and R. M. Lewis The Asymptotic Theory of Cerenkov Radiation . . . . . . . . . . . . . . . 1982--1999 Gerald L. Jones Complex Temperatures and Phase Transitions . . . . . . . . . . . . . . 2000--2005 Thomas F. Jordan Characterizing Coherent States of the Radiation Field . . . . . . . . . . . . 2006--2008 C. Kacser The Discontinuities of the Triangle Graph as a Function of an Internal Mass. II . . . . . . . . . . . . . . . . . . . 2008--2025 N. Limi\'c and J. Niederle and R. Raczka Continuous Degenerate Representations of Noncompact Rotation Groups. II . . . . . 2026--2035 N. J. McCormick and I. Kuscer Bi-Orthogonality Relations for Solving Half-Space Transport Problems . . . . . 2036--2045 Daniel C. Mattis and Elliott H. Lieb Theory of Paramagnetic Impurities in Semiconductors . . . . . . . . . . . . . 2045--2052 K. M. Mitzner Acoustic Scattering from an Interface between Media of Greatly Different Density . . . . . . . . . . . . . . . . 2053--2060 Peter D. Robinson Integral Forms for Quantum-Mechanical Momentum Operators . . . . . . . . . . . 2060--2065 Gerald Rosen Existence of Particlelike Solutions to Nonlinear Field Theories . . . . . . . . 2066--2070 Gerald Rosen Nonexistence of Localized Periodic Solutions to Nonlinear Field Theories 2071--2071 Joe Rosen and Paul Roman Some Observations on Enveloping Algebras of Noncompact Groups . . . . . . . . . . 2072--2078 Pierre C. Sabatier Analytic Properties of a Class of Potentials and the Corresponding Jost Functions . . . . . . . . . . . . . . . 2079--2091 C. E. Siewert and P. F. Zweifel Radiative Transfer. II . . . . . . . . . 2092--2102 Richard M. Spector A Theorem on Peratization of Singular Potentials and Other Miscellanea . . . . 2103--2106 Eduard Prugovecki A Non-Hilbert-Space Formulation of Quantum Field Theory . . . . . . . . . . 2107--2120
K. M. Case Singular Integral Equations . . . . . . 2121--2124 K. M. Case Singular Solutions of Certain Integral Equations . . . . . . . . . . . . . . . 2125--2135 J. Des Cloizeaux A Soluble Fermi-Gas Model. Validity of Transformations of the Bogoliubov Type 2136--2144 R. T. Compton The Time-Dependent Green's Function for Electromagnetic Waves in Moving Simple Media . . . . . . . . . . . . . . . . . 2145--2152 Edward A. Frieman and Robert Goldman Propagation of Correlations in a Boltzmann Gas . . . . . . . . . . . . . 2153--2170 William A. Gale Peratization of the Logarithmically Singular Potential . . . . . . . . . . . 2171--2173 E. Gotsman and Y. Ne'eman Algebraic Aspects of Regge Recurrences 2174--2177 Richard Grover Asymptotic Expansions of the Dirac Density Matrix . . . . . . . . . . . . . 2178--2186 B. Robert Johnson and Don Secrest The Solution of the Nonrelativistic Quantum Scattering Problem without Exchange . . . . . . . . . . . . . . . . 2187--2195 R. F. Keam Properties of a Causal Green's Function for the Bethe--Salpeter Equation . . . . 2196--2210 A. Kuszell A New Derivation of the Kinetic Equation for an Inhomogeneous Plasma . . . . . . 2211--2216 Jean-Marc Lévy-Leblond Global and Democratic Methods for Classifying $N$-Particle States . . . . 2217--2229 J. C. Polkinghorne Hermitian Analyticity and $S$-Matrix Singularity Structure . . . . . . . . . 2230--2234 Jacques Voisin Representations of the Homogeneous Galilei Group in a Spherical Basis and the Asymptotic Behavior of Relativistic Special Functions . . . . . . . . . . . 2235--2237 George A. Baker Drum Shapes and Isospectral Graphs . . . 2238--2242 G. V. Chester and J. Sykes Factorization Theorems . . . . . . . . . 2243--2250 G. V. Chester and J. Sykes Relationship between Linear Response Theory and the Boltzmann Equation for a Weakly Interacting System of Electrons and Phonons . . . . . . . . . . . . . . 2251--2260 G. Horwitz Statistical Mechanics of Finite Systems: Asymptotic Expansions. I. Two Petit Canonical Ensembles --- $(N, V, T)$ and $(N, p, T)$ Systems . . . . . . . . . . 2261--2270 P. T. Landsberg and D. J. Morgan A Class of Sum Rules with Application to Nondegenerate Perturbation Theory . . . 2271--2277 C. K. Majumdar and J. Zittartz Minimal Potentials for Schrödinger Equation with Fixed Eigenvalue . . . . . 2278--2279 J. A. Castilho Alcarás and V. C. Aguilera Navarro and P. Leal Ferreira Erratum: ``Applications of Gel'fand--Moshinsky Bases in Unitary Symmetry and its Breaking'' . . . . . . 2280--2280 Kenneth D. Granzow Erratum: ``Multipole Theory in the Time Domain'' . . . . . . . . . . . . . . . . 2280--2280
Michael M. Broido Certain Bootstraps and Related Equations 1--6 J. B. Bronzan Two-Meson Solution of the Charged Scalar Static Model with Bound States . . . . . 6--12 Gérard G. Emch Common Interpretation of Phase Transitions in Various Models . . . . . 13--18 Gérard G. Emch van der Waals Wiggles, Maxwell Rule, and Temperature-Dependent Excitations . . . 19--25 J. V. Greenman High-Energy Behavior of Feynman Integrals with Spin. II . . . . . . . . 26--36 Carl W. Helstrom Quasi-Classical Analysis of Coupled Oscillators . . . . . . . . . . . . . . 37--42 Elliott H. Lieb Calculation of Exchange Second Virial Coefficient of a Hard-Sphere Gas by Path Integrals . . . . . . . . . . . . . . . 43--52 Morton D. Kostin and Harvey Brooks Generalization of the Variational Method of Kahan, Rideau, and Roussopoulos. II. A Variational Principle for Linear Operators and its Application to Neutron-Transport Theory . . . . . . . . 53--56 Ronald Mirman Representations of Inhomogeneous ${\rm SU}(n)$ Groups with Mixture of Homogeneous and Inhomogeneous Operators Diagonal . . . . . . . . . . . . . . . . 57--62 M. Resnikoff General Coupling Coefficients for the Group ${\rm SU}(3)$ . . . . . . . . . . 63--79 M. Resnikoff Recoupling Coefficients for the Group ${\rm SU}(3)$ . . . . . . . . . . . . . 79--83 Carl E. Rosenkilde Surface-Energy Tensors . . . . . . . . . 84--88 Carl E. Rosenkilde Surface-Energy Tensors for Ellipsoids 88--97 Carl E. Rosenkilde Stability of Axisymmetric Figures of Equilibrium of a Rotating Charged Liquid Drop . . . . . . . . . . . . . . . . . . 98--118 G. E. Tauber Expanding Universe in Conformally Flat Coordinates . . . . . . . . . . . . . . 118--123 Masuo Suzuki and Bunjiro Tsujiyama and Shigetoshi Katsura One-Dimensional Ising Model with General Spin . . . . . . . . . . . . . . . . . . 124--130 Daniel L. Wenger Canonical Root Vectors of ${\rm SU}_n$ 131--135 Daniel L. Wenger Representation Functions of the Group of Motions of Clifford Space . . . . . . . 135--140 R. P. Gilbert and H. C. Howard Role of the Integral-Operator Method in the Theory of Potential Scattering . . . 141--148 G. C. Pomraning Variational Principle for Eigenvalue Equations . . . . . . . . . . . . . . . 149--158
Saul M. Bergmann Induced and Spontaneous Emission . . . . 159--169 N. T. Evans Discrete Series for the Universal Covering Group of the $3 + 2$ de Sitter Group . . . . . . . . . . . . . . . . . 170--184 D. B. Fairlie Structure of the Crossing Matrix for Arbitrary Internal Symmetry Groups. II. Matrices in ${\rm SU}(n)$ . . . . . . . 185--188 J. Foster and E. T. Newman Note on the Robinson--Trautman Solutions 189--194 William M. Frank Point-Loop Renormalization in Regularized Field Theories. I . . . . . 194--200 Robert Nyden Hill Instantaneous Action-at-a-Distance in Classical Relativistic Mechanics . . . . 201--220 Iwao Hosokawa Functional Approach to Classical Non-Equilibrium Statistical Mechanics 221--229 C. D. Maldonado Series Representation Method for Obtaining the Emission Coefficient from the Integrated Intensity Distribution for Asymmetrical Light Sources . . . . . 230--239 J. B. McLeod and R. S. B. Ong Relaxation to Equilibrium of a Dilute Electron Plasma . . . . . . . . . . . . 240--247 C. H. Su Theory of the Linear Fokker--Planck Collision Operator . . . . . . . . . . . 248--254 James L. Anderson and Samuel Schiminovich Relations between Field-Plus Source and Fokker-Type Action Principles . . . . . 255--264 Robert H. Boyer and Richard W. Lindquist Maximal Analytic Extension of the Kerr Metric . . . . . . . . . . . . . . . . . 265--281 J. R. Dorfman and E. G. D. Cohen Difficulties in the Kinetic Theory of Dense Gases . . . . . . . . . . . . . . 282--297 Willard R. Chappell Microscopic Approach to Kinetic Theory 298--305 Harvey S. Leff and Michael H. Coopersmith Translational Invariance Properties of a Finite One-Dimensional Hard-Core Fluid 306--314 Peter N. Dobson Temperateness of the Absorptive Part of the Scattering Amplitude in the Proof of Dispersion Relations . . . . . . . . . . 315--319 R. J. Eden Consistency Conditions on Models for High-Energy Scattering . . . . . . . . . 320--325 István Ozsváth Homogeneous Lichnerowicz Universes . . . 326--344 R. Penrose Twistor Algebra . . . . . . . . . . . . 345--366
H. H. Aly and H. J. W. Müller Singular Potentials and the Z = 0 Condition . . . . . . . . . . . . . . . 367--372 D. Atkinson and M. B. Halpern Non-Usual Topologies on Space--time and High-Energy Scattering . . . . . . . . . 373--387 Edwin D. Banta Modification of the Ehrenfest Model in Statistical Mechanics . . . . . . . . . 387--388 M. D. Girardeau Thermodynamically Equivalent Hamiltonian Method in Nonequilibrium Statistical Mechanics . . . . . . . . . . . . . . . 389--399 Glen Baxter Local Weights Which Determine Area, and the Ising Model . . . . . . . . . . . . 399--405 Herbert J. Bernstein New Characterization of the Ray Representations of the Galilei Group . . 406--408 Ioannis M. Besieris Time-Dependent Green's Function for Electromagnetic Radiation in a Conducting Moving Medium: Nonrelativistic Approximation . . . . . 409--416 Carlo Cercignani Linear Representation of Spinors by Tensors . . . . . . . . . . . . . . . . 417--422 Freeman J. Dyson and A. Lenard Stability of Matter. I . . . . . . . . . 423--434 Michael H. Coopersmith and Harvey S. Leff Translational Invariance Properties of a One-Dimensional Fluid with Forces of Finite Extent . . . . . . . . . . . . . 434--442 R. J. Finkelstein Symmetry Group of the Hydrogen Atom . . 443--449 Hsiao S. Kiang Variational Theorem for Reduced Density Matrices . . . . . . . . . . . . . . . . 450--451 C. R. Fischer and R. Akerib Relativistic Partial Wave Analysis of Electron Scattering . . . . . . . . . . 451--453 Jorge Flores Mixed Irreducible Representations for U$_3$ . . . . . . . . . . . . . . . . . 454--459 Gerald L. Jones and Robert E. Kennedy Density Fluctuations of a Fluid . . . . 460--466 William M. Frank Strong Coupling Limit in Potential Theory. I . . . . . . . . . . . . . . . 466--472 Rubin Goldstein Variational Principles and Weighted Averages . . . . . . . . . . . . . . . . 473--475 Paul W. Schmidt Calculation of Intersect Distribution Functions in Small Angle X-Ray Scattering . . . . . . . . . . . . . . . 475--477 Robert B. Griffiths Correlations in Ising Ferromagnets. I 478--483 Robert B. Griffiths Correlations in Ising Ferromagnets. II. External Magnetic Fields . . . . . . . . 484--489 A. Navon and J. Patera Embedding of a Simple Lie Group into a Simple Lie Group and Branching Rules . . 489--493 C. L. Hammer and T. A. Weber Two-Body Scattering with Wave Packets 494--506 David Jasnow and Michael Wortis New Derivation of the Ising Model Cluster Expansion . . . . . . . . . . . 507--511 D. Masson Padé Approximant and Partial-Wave Integral Equation . . . . . . . . . . . 512--514 William Strieder and Stephen Prager Upper and Lower Bounds on Knudsen Flow Rates . . . . . . . . . . . . . . . . . 514--517 O. Laporte and R. G. Fowler Weber's Mixed Boundary-Value Problem in Electrodynamics . . . . . . . . . . . . 518--522 E. M. Barston Eigenvalue Problem for Lagrangian Systems . . . . . . . . . . . . . . . . 523--532 Arthur Layzer Lowest-Order Correction to Many-Fermion Vertex Function . . . . . . . . . . . . 532--535 A. J. Macfarlane and L. O'Raifeartaigh and P. S. Rao Relationship of the Internal and External Multiplicity Structure of Compact Simple Lie Groups . . . . . . . 536--546 H. P. McKean Chapman--Enskog--Hilbert Expansion for a Class of Solutions of the Telegraph Equation . . . . . . . . . . . . . . . . 547--552 Toshio Nakayama and John M. Dawson Derivations of Hierarchies for $N$-Particle Systems and Vlasov Systems by Means of the Functional Calculus . . 553--560 H. M. Nussenzveig Phase Problem in Coherence Theory . . . 561--572 Gerald Rosen Equations of Motion in Classical Nonlinear Field Theories . . . . . . . . 573--575 Robert J. Rubin Random Walk with an Excluded Origin . . 576--581 T. D. Schultz Short Simple Evaluation of Expressions of the Debye--Waller Form Valid for Anharmonic Modes not in Thermal Equilibrium . . . . . . . . . . . . . . 581--581 S. Natarajan and K. Viswanath Quaternionic Representations of Compact Metric Groups . . . . . . . . . . . . . 582--589 Victor Twersky Multiple Scattering of Electromagnetic Waves by Arbitrary Configurations . . . 589--610 Jacques Voisin Representations of the Lie Algebra of the Homogeneous Galilei Group and Their Relation to the Representations of the Lorentz Algebra . . . . . . . . . . . . 611--614 Steven Weinberg General Theory of Resistive Beam Instabilities . . . . . . . . . . . . . 614--641 Levere Hostler Runge--Lenz Vector and the Coulomb Green's Function . . . . . . . . . . . . 642--646 C. T. Tai Time-Dependent Green's Function for a Moving Isotropic Nondispersive Medium 646--647 Francis R. Halpern Relation between the Relativistic and Nonrelativistic $S$-Matrices . . . . . . 648--650 James B. Hartle and John R. Taylor Existence of N and D Matrices . . . . . 651--656 Kosai Tanabe and Kazuhisa Shima Isoparity and Simple Lie Group . . . . . 657--662 G. F. Dell'Antonio and S. Doplicher Total Number of Particles and Fock Representation . . . . . . . . . . . . . 663--666
P. C. Bartrum Energy Tensor of the Null Electromagnetic Field . . . . . . . . . 667--674 J. F. Boyce Relation of the ${\rm O}(2, 1)$ Partial-Wave Expansion to the Regge Representation . . . . . . . . . . . . . 675--684 A. O. Barut and H. Kleinert Tensor Operators and Mass Formula in the Minimal Extension of U$_3$ by Charge Conjugation . . . . . . . . . . . . . . 685--686 Graham H. Campbell and Joseph V. Lepore and Robert J. Riddell Evaluation of Phase-Space Integrals . . 687--691 L. C. Biedenharn and A. Giovannini and J. D. Louck Canonical Definition of Wigner Coefficients in U$_n$ . . . . . . . . . 691--700 C. D. Collinson and D. C. French Null Tetrad Approach to Motions in Empty Space--time . . . . . . . . . . . . . . 701--708 T. Cook and B. Sakita Induced Representations of Strong Coupling Groups . . . . . . . . . . . . 708--713 Jean-Robert Derome Symmetry Properties of the 3 j Symbols for ${\rm SU}(3)$ . . . . . . . . . . . 714--716 Andrew A. Cunningham Bootstrap Prediction of Symmetry for a Soluble Static Model . . . . . . . . . . 716--729 H. D. Doebner and G. C. Hegerfeldt Group Embedding of Space--time and Internal Symmetry Groups . . . . . . . . 730--741 John W. Essam Determination of Weight Factors in Linked-Cluster Expansions for Lattice Systems . . . . . . . . . . . . . . . . 741--749 Henri Epstein CTP Invariance of the $S$-Matrix in a Theory of Local Observables . . . . . . 750--767 A. Galindo Lie Algebra Extensions of the Poincaré Algebra . . . . . . . . . . . . . . . . 768--774 A. Gamba Peculiarities of the Eight-Dimensional Space . . . . . . . . . . . . . . . . . 775--781 Robert P. Geroch Topology in General Relativity . . . . . 782--786 M. Glück and Y. Gur and J. Zak Double Representations of Space Groups 787--790 Jordan D. Lewis Expansion Theorem for the Linearized Fokker--Planck Equation . . . . . . . . 791--798 David Hestenes Real Spinor Fields . . . . . . . . . . . 798--808 David Hestenes Spin and Isospin . . . . . . . . . . . . 809--812 James Hurley One-Dimensional Three-Body Problem . . . 813--815 Frederick R. Innes Quasi-Spin Methods and Pairs of One-Particle CFP in the Seniority Scheme 816--820 R. P. Kanwal Theory of Diffraction and Matched Asymptotic Expansions . . . . . . . . . 821--822 I. Kuscer and F. Shure Closure Relations for the Eigenfunctions of the One-Speed Transport Equation . . 823--826 Maria Miasek and Helena Dodziuk Application of Houston's Method to the Sum of Plane Waves over the Brillouin Zone. II. Body-Centered Cubic Lattice 827--829 C. Lanczos Einstein Equations and Electromagnetism 829--836 J. S. Lomont and H. E. Moses Reduction of Reducible Representations of the Infinitesimal Generators of the Proper, Orthochronous, Inhomogeneous Lorentz Group . . . . . . . . . . . . . 837--850 Roger G. Newton Equations with Connected Kernels for $N$-particle $T$ Operators . . . . . . . 851--856 T. J. Nelson A Set of Harmonic Functions for the Group ${\rm SU}(3)$ as Specialized Matrix Elements of a General Finite Transformation . . . . . . . . . . . . . 857--863 F. Y. Wu and H. T. Tan and E. Feenberg Necessary Conditions on Radial Distribution Functions . . . . . . . . . 864--869 David M. Schrader Two Variational Principles for Magnetostatic Calculations . . . . . . . 870--872 J. Nuttall Analytic Continuation of the Off-Energy-Shell Scattering Amplitude 873--877 A. C. Pipkin and R. S. Rivlin Phenomenological Theory of Magnetic Hysteresis . . . . . . . . . . . . . . . 878--883 Abraham Kadish Exponential Stability of Non-uniform Guiding Center Plasma . . . . . . . . . 884--888 Lawrence Sirovich and James K. Thurber Plane Wave Propagation in Kinetic Theory 888--895 R. N. Sen Construction of the Irreducible Representations of ${\rm SU}_4$ . . . . 896--905 Pierre C. Sabatier General Method for the Inverse Scattering Problem at Fixed Energy . . . 905--918 Hugo D. Wahlquist and Frank B. Estabrook Herglotz--Noether Theorem in Conformal Space--time . . . . . . . . . . . . . . 919--919 James R. Wait Theory of Diffraction by a Curved Inhomogeneous Body . . . . . . . . . . . 920--925 R. H. Terwiel Evaluation of Expressions of the Debye--Waller Form . . . . . . . . . . . 926--926 M. S. Wertheim Integral Equations in the Theory of Classical Fluids . . . . . . . . . . . . 927--938 J. R. Trollope Null Fields in Einstein--Maxwell Field Theory. II . . . . . . . . . . . . . . . 938--941 Geoffrey B. West Scattering from Coulomb-Like Potentials without Divergences or Cutoffs. I. Formalism: Generalized Lippmann--Schwinger Equations . . . . . 942--953 F. Zaccaria Clebsch--Gordan Series in the Exceptional Groups . . . . . . . . . . . 953--954 R. D. Poshusta Permutational Symmetry of Reduced Density Matrices . . . . . . . . . . . . 955--961 R. M. Wilcox Exponential Operators and Parameter Differentiation in Quantum Physics . . . 962--982
Jerome Blackman New Approach to Unified Field Theory . . 983--987 C. M. Andersen Clebsch--Gordan Series for Symmetrized Tensor Products . . . . . . . . . . . . 988--997 J. T. Anderson Complete Excitation Spectra . . . . . . 998--1003 W. A. Beyer and L. Heller Analytic Continuation of Laplace Transforms by Means of Asymptotic Series 1004--1018 Tadashi Arai and John R. Gabriel Cluster Expansion of an Inverse Overlap Matrix for Solids . . . . . . . . . . . 1018--1025 M. M. Balaban and A. E. Green and P. M. Naghdi Simple Force Multipoles in the Theory of Deformable Surfaces . . . . . . . . . . 1026--1036 Charles L. Critchfield Bargmann--Wigner Equations . . . . . . . 1037--1039 R. C. Erdmann Neutron Transport from a Point Source in Two Adjacent, Dissimilar, Semi-Infinite Media . . . . . . . . . . . . . . . . . 1040--1044 A. Brooks Harris Bounds for Certain Thermodynamic Averages . . . . . . . . . . . . . . . . 1044--1045 David Hestenes Spinor Fields as Distortions of Space--time . . . . . . . . . . . . . . 1046--1050 William A. Gale Regularization and Peratization of Singular Potentials . . . . . . . . . . 1050--1052 John Lam Radiation of a Point Charge Moving Uniformly over an Infinite Array of Conducting Half-Planes . . . . . . . . . 1053--1060 N. D. Mermin Absence of Ordering in Certain Classical Systems . . . . . . . . . . . . . . . . 1061--1064 R. M. Misra and R. A. Singh Three-Dimensional Formulation of Gravitational Null Fields. II . . . . . 1065--1068 N. Mukunda Realizations of Lie Algebras in Classical Mechanics . . . . . . . . . . 1069--1072 Z. Rieder and J. L. Lebowitz and E. Lieb Properties of a Harmonic Crystal in a Stationary Nonequilibrium State . . . . 1073--1078 N. Limi\'c and J. Niederle and R. Raczka Eigenfunction Expansions Associated with the Second-Order Invariant Operator on Hyperboloids and Cones. III . . . . . . 1079--1093 R. A. Sack and C. C. J. Roothaan and W. Ko\los Recursive Evaluation of Some Atomic Integrals . . . . . . . . . . . . . . . 1093--1094 Nazakat Ullah Exact Distributions of the Reduced-Width Amplitude . . . . . . . . . . . . . . . 1095--1096 Kaya Imre and Ercüment Özizmir and Marcos Rosenbaum and P. F. Zweifel Wigner Method in Quantum Statistical Mechanics . . . . . . . . . . . . . . . 1097--1108 S. N. Biswas Symmetries of the Bethe--Salpeter Equation for Relativistic Bound-State Problem . . . . . . . . . . . . . . . . 1109--1111 Richard A. Brandt Bogoliubov--Parasiuk--Hepp Renormalization Theorem and Spacelike Regularization . . . . . . . . . . . . . 1112--1120 William M. Frank Class of Nonanalytic Perturbations in Quantum Mechanics . . . . . . . . . . . 1121--1127 Owen Fleischman and John G. Nagel Double Structure of a Combined Internal and Space--time Symmetry Group and Mass Splitting . . . . . . . . . . . . . . . 1128--1134 H. E. Moses Reduction of Relativistic Wavefunctions to the Irreducible Representations of the Inhomogeneous Lorentz Group. I. Nonzero Mass Components . . . . . . . . 1134--1154 Mamata Pattnaik Leading Landau Curves for a Larger Class of Feynman Diagrams . . . . . . . . . . 1155--1162 Klaus J. Lezuo Weyl Coefficients in ${\rm SU}(3)$ . . . 1163--1170 G. F. R. Ellis Dynamics of Pressure-Free Matter in General Relativity . . . . . . . . . . . 1171--1194
G. C. Hegerfeldt Branching Theorem for the Symplectic Groups . . . . . . . . . . . . . . . . . 1195--1196 Hugo F. Kremer Fresnel's Equation in General Relativity 1197--1199 Donald H. Kobe Derivation of the Principle of Compensation of Dangerous Diagrams . . . 1200--1210 Monique Levy-Nahas Deformation and Contraction of Lie Algebras . . . . . . . . . . . . . . . . 1211--1222 Soonsung Hong Asymptotic Theory of Electromagnetic and Acoustic Diffraction by Smooth Convex Surfaces of Variable Curvature . . . . . 1223--1232 Sing Chin Pang and K. T. Hecht Lowering and Raising Operators for the Orthogonal Group in the Chain ${\rm O}(n) \supset {\rm O}(n - 1) \supset \ldots{}$, and their Graphs . . . . . . 1233--1251 A. Sciarrino and M. Toller Decomposition of the Unitary Irreducible Representations of the Group ${\rm SL}(2 C)$ Restricted to the Subgroup ${\rm SU}(1, 1)$ . . . . . . . . . . . . . . . 1252--1265 Shimshon Zimering Mathematical Methods for Evaluating Second-Order Three-Body Interactions between Atoms or Ions with Gaussian Wavefunctions . . . . . . . . . . . . . 1266--1270 W. S. Woolcock Asymptotic Behavior of Stieltjes Transforms. I . . . . . . . . . . . . . 1270--1275 S. R. Coriell and J. L. Jackson Probability Distribution of the Radius of Gyration of a Flexible Polymer . . . 1276--1284 Hiroshi Ezawa and Marshall Luban Criterion for Bose--Einstein Condensation and Representation of Canonical Commutation Relations . . . . 1285--1311 Luciano Fonda and Gian Carlo Ghirardi Renormalized Coupling Constants and the Inversion Problem . . . . . . . . . . . 1312--1314 Rémi Hakim Remarks on Relativistic Statistical Mechanics. I . . . . . . . . . . . . . . 1315--1344 Fedor Herbut and Milan Vujici\'c Basic Algebra of Antilinear Operators and Some Applications. I . . . . . . . . 1345--1354
R. J. Torrence and A. I. Janis Approach to Gravitational Radiation Scattering . . . . . . . . . . . . . . . 1355--1366 A. Chakrabarti Canonical Form Factors and Current Commutation Relations . . . . . . . . . 1367--1378 Rémi Hakim Remarks on Relativistic Statistical Mechanics. II. Hierarchies for the Reduced Densities . . . . . . . . . . . 1379--1400 Hans Hejtmanek Time Behavior of a Reactor and Ergodic Theory of Semigroups . . . . . . . . . . 1401--1405 K. Nordtvedt Upper Bounds to Eigenvalues of the One-Dimensional Sturm--Liouville Equation . . . . . . . . . . . . . . . . 1406--1409 Robert Goldman and Edward A. Frieman Logarithmic Density Behavior of a Nonequilibrium Boltzmann Gas . . . . . . 1410--1426 R. W. Gibberd and C. A. Hurst New Approach to the Ising Model. II . . 1427--1435 B. Gruber Relation Between ``Outer'' and ``Inner'' Multiplicity for ${\rm SU}(2)$ and ${\rm SU}(3)$ . . . . . . . . . . . . . . . . 1436--1439 Kenneth Rafanelli Unitary Representations of the Lorentz Group and Particle Dynamics . . . . . . 1440--1442 M. K. F. Wong Electromagnetic Behavior of Superconductors with Impurity Scattering 1443--1448 Robert M. Lewis A Unifying Principle in Statistical Mechanics . . . . . . . . . . . . . . . 1448--1459 O. Lanford and D. Ruelle Integral Representations of Invariant States on $B^*$ Algebras . . . . . . . . 1460--1463 Peter C. Bartrum Null Electromagnetic Field in the Form of Spherical Radiation . . . . . . . . . 1464--1467 David G. Boulware and S. Deser Stress-Tensor Commutators and Schwinger Terms . . . . . . . . . . . . . . . . . 1468--1477 Jeffrey M. Cohen Note on the Kerr Metric and Rotating Masses . . . . . . . . . . . . . . . . . 1477--1478 G. W. Darewych and H. Schiff Particlelike Solutions of a Class of Nonlinear Field Equations . . . . . . . 1479--1482 Jong K. Jaen Quantum Correlation Function for the Noninteracting Particle System . . . . . 1483--1491 G. Dautcourt Characteristic Hypersurfaces in General Relativity. I . . . . . . . . . . . . . 1492--1501 Donald R. Tompkins Decomposition of Tensors of the Classical Groups . . . . . . . . . . . . 1502--1514
C. Mavroyannis Dispersion of Electromagnetic Waves in Molecular Crystals . . . . . . . . . . . 1515--1522 C. Mavroyannis Scattering of Electromagnetic Waves in Molecular Crystals . . . . . . . . . . . 1522--1537 Freeman J. Dyson Ground-State Energy of a Finite System of Charged Particles . . . . . . . . . . 1538--1545 R. M. Mazo Lower Bound on the Mean Kinetic Energy of a System of Particles . . . . . . . . 1546--1547 C. D. Collinson Empty Space--times Algebraically Special on a Given World Line or Hypersurface 1547--1550 Arno Böhm Associative Algebra in the Problem of Mass Formulas . . . . . . . . . . . . . 1551--1558 Egon Marx Klein--Gordon Equation for Spinors . . . 1559--1566 R. G. Newton Connection between Complex Angular Momenta and the Inverse Scattering Problem at Fixed Energy . . . . . . . . 1566--1570 Awele Maduemezia Matrix Elements for Irreducible Representations of the ${\rm U}(6, 6)$ Algebra in Harmonic Function Space . . . 1571--1580 T. M. Rice Superconductivity in One and Two Dimensions. II. Charged Systems . . . . 1581--1591 W. G. Dixon Description of Extended Bodies by Multipole Moments in Special Relativity 1591--1605 Henry P. Stapp Finiteness of the Number of Positive-$\alpha$ Landau Surfaces in Bounded Portions of the Physical Region 1606--1610 H. L. Berk and D. L. Book and D. Pfirsch Convergence of the Bremmer Series for the Spatially Inhomogeneous Helmholtz Equation . . . . . . . . . . . . . . . . 1611--1619 W. L. Hendry Solutions to the Neutron Transport Equation for a Critical Slab by Perturbation Theory . . . . . . . . . . 1619--1630 Henry Brysk Drukarev Transformation of Dirac Equation . . . . . . . . . . . . . . . . 1631--1632 F. A. Blood Relativistic and Causal Theories with Four-Fermion Interaction Hamiltonians 1633--1641 D. Dialetis Some Theorems Concerning the Phase Problem of Coherence Theory . . . . . . 1641--1649 John C. Herzel Green's Functions and Double-Time Distribution Functions in Classical Statistical Mechanics . . . . . . . . . 1650--1652 Carlo Cercignani Existence and Uniqueness in the Large for Boundary Value Problems in Kinetic Theory . . . . . . . . . . . . . . . . . 1653--1656 D. Ruelle States of Classical Statistical Mechanics . . . . . . . . . . . . . . . 1657--1668 A. K. Common Application of the Theory of Padé Approximants to the Solution of the $N / D$ Equations . . . . . . . . . . . . . . 1669--1675 Richard E. Meyer Near-Steady Transition Waves of a Collisionless Plasma . . . . . . . . . . 1676--1684 R. F. Streater Uniqueness of the Haag--Ruelle Scattering States . . . . . . . . . . . 1685--1693 Behram Kursuno\uglu Unitary Representations of ${\rm U}(2, 2)$ and Massless Fields . . . . . . . . 1694--1699 Vittorio Cantoni Reduction of Some Representations of the Generalized Bondi--Metzner Group . . . . 1700--1706 H. H. Nickle Erratum: ``Nonrelativistic Quantum Theory of an Electron in an Arbitrarily Intense Laser Field'' . . . . . . . . . 1706--1706
John M. Richardson and Leo C. Levitt Linear Closure Approximation Method for Classical Statistical Mechanics . . . . 1707--1715 David A. Micha Expansion of the $T$ Matrix for Resonance Collisions . . . . . . . . . . 1716--1719 A. Das and C. V. Coffman A Class of Eigenvalues of the Fine-Structure Constant and Internal Energy Obtained from a Class of Exact Solutions of the Combined Klein--Gordon--Maxwell--Einstein Field Equations . . . . . . . . . . . . . . . 1720--1735 E. Bahar Generalized WKB Method with Applications to Problems of Propagation in Nonhomogeneous Media . . . . . . . . . . 1735--1746 Saul T. Epstein and Jean H. Epstein and Barbara Kennedy Recursion Relations for Coulomb Matrix Elements . . . . . . . . . . . . . . . . 1747--1747 V. Gorgé and F. Rohrlich Analytic Functionals in Quantum Field Theory . . . . . . . . . . . . . . . . . 1748--1756 Robert Nyden Hill Canonical Formulation of Relativistic Mechanics . . . . . . . . . . . . . . . 1756--1773 Robert A. Sack Expansions in Spherical Harmonics. IV. Integral Form of the Radial Dependence 1774--1784 Benjamin Rulf Relation between Creeping Waves and Lateral Waves on a Curved Interface . . 1785--1793 James E. Mann Electric Fields in a Semi-Infinite Medium Whose Conductivity Varies Laterally . . . . . . . . . . . . . . . 1794--1797 C. L. Mehta Degree of Higher-Order Optical Coherence 1798--1807 David N. Williams Energy-Momentum Conservation Implies Translation Invariance: Some Didactic Remarks . . . . . . . . . . . . . . . . 1807--1816 W. H. Heintz and R. L. Gibbs Angular Coefficients of Atomic Matrix Elements Involving Interelectronic Coordinates . . . . . . . . . . . . . . 1817--1828 A. Paliov and S. Rosendorff High-Energy Phase Shifts Produced by Repulsive Singular Potentials . . . . . 1829--1837 Ian Lerche Initial-Value Problem for Relativistic Plasma Oscillations . . . . . . . . . . 1838--1847 Stanley Gudder Coordinate and Momentum Observables in Axiomatic Quantum Mechanics . . . . . . 1848--1858 Daniel Zwanziger Algebraic Calculation of Nonrelativistic Coulomb Phase Shifts . . . . . . . . . . 1858--1860 David J. Vezzetti and Joseph B. Keller Refractive Index, Attenuation, Dielectric Constant, and Permeability for Waves in a Polarizable Medium . . . 1861--1870 Hendricus G. Loos Gauge Field of a Point Charge . . . . . 1870--1877 Jeanne-Yvonne Pasquier Three-Particle States and Green's Function . . . . . . . . . . . . . . . . 1878--1885 E. M. Barston Eigenvalue Problem for Lagrangian Systems. II . . . . . . . . . . . . . . 1886--1892 Young-ping Pao Boundary-Value Problems for the Linearized and Weakly Nonlinear Boltzmann Equation . . . . . . . . . . . 1893--1898 M. K. F. Wong Representations of the Orthogonal Group. I. Lowering and Raising Operators of the Orthogonal Group and Matrix Elements of the Generators . . . . . . . . . . . . . 1899--1911 J. R. Gaskill and M. Arenstein Geometrical View of Lagrange Multipliers in Mechanics . . . . . . . . . . . . . . 1912--1915 E. Kapuy and N. H. March Two-Body Orbitals for One-Dimensional Fermion Gas with Application to Repulsive $\delta$-Function Interactions 1915--1920 J. Niederle Decompositions of Discrete Most Degenerate Representations of ${\rm SO}_0(p, q)$ when Restricted to Representations of ${\rm SO}_0(p, q - 1)$ or ${\rm SO}_0(p - 1, q)$ . . . . . 1921--1930
Tsu Yao Unitary Irreducible Representations of ${\rm SU}(2, 2)$. I . . . . . . . . . . 1931--1954 Eric H. Roffman Representation Theory of Local Current Algebras . . . . . . . . . . . . . . . . 1954--1956 Pierre C. Sabatier Interpolation Formulas in the Angular Momentum Plane . . . . . . . . . . . . . 1957--1972 David M. Rosenbaum General Space-Momentum Commutation Relation . . . . . . . . . . . . . . . . 1973--1978 Martin C. Gutzwiller Phase-Integral Approximation in Momentum Space and the Bound States of an Atom 1979--2000 Richard L. Liboff and Giovanni E. Perona Compatibility Requirements in BBGKY Expansion . . . . . . . . . . . . . . . 2001--2012 H. Almström and P. Olsson Analytic Properties of Certain Radial Matrix Elements . . . . . . . . . . . . 2013--2021 James Dilley Evaluation of a Partial-Wave Unitarity Integral . . . . . . . . . . . . . . . . 2022--2025 A. C. Manoharan Upper Bounds on Holomorphy Envelopes for Wightman Functions . . . . . . . . . . . 2026--2029 B. McNamara and K. J. Whiteman Invariants of Nearly Periodic Hamiltonian Systems . . . . . . . . . . 2029--2038 Jack Wong Results on Certain Non-Hermitian Hamiltonians . . . . . . . . . . . . . . 2039--2042 George N. Stanciu Further Exact Solutions of the Dirac Equation . . . . . . . . . . . . . . . . 2043--2047 P. Chand and C. L. Mehta and N. Mukunda and E. C. G. Sudarshan Realization of Lie Algebras by Analytic Functions of Generators of a Given Lie Algebra . . . . . . . . . . . . . . . . 2048--2059 H. Rund Systems of First-Order Linear Ordinary Differential Equations as Canonical or Euler--Lagrange Equations . . . . . . . 2059--2062 Hans Kummer $n$-Representability Problem for Reduced Density Matrices . . . . . . . . . . . . 2063--2081 L. K. Runnels Phase Transition of a Bethe Lattice Gas of Hard Molecules . . . . . . . . . . . 2081--2087 M. M. Carroll and R. S. Rivlin Electro-Optical Effects. I . . . . . . . 2088--2091 Robert G. Cawley Formal Properties of the Solution to the Radiationless Relativistic Kepler Problem . . . . . . . . . . . . . . . . 2092--2096 G. C. Pomraning Complementary Variational Principles and Their Application to Neutron Transport Problems . . . . . . . . . . . . . . . . 2096--2108 Stanley Gudder Systems of Observables in Axiomatic Quantum Mechanics . . . . . . . . . . . 2109--2113 Hendricus G. Loos Internal Holonomy Groups of Yang--Mills Fields . . . . . . . . . . . . . . . . . 2114--2124 B. R. Judd and H. T. Wadzinski A Class of Null Spectroscopic Coefficients . . . . . . . . . . . . . . 2125--2130 John R. Taylor Timelike Cluster Properties in Nonrelativistic Scattering . . . . . . . 2131--2137 R. Bellman and H. Kagiwada and R. Kalaba and S. Ueno Invariant Imbedding Equations for the Dissipation Functions of an Inhomogeneous Finite Slab with Anisotropic Scattering . . . . . . . . . 2137--2142 C. De Dominicis and F. Englert Potential-Correlation Function Duality in Statistical Mechanics . . . . . . . . 2143--2146 R. Finkelstein and D. Levy Group Formulation of Potential Scattering . . . . . . . . . . . . . . . 2147--2153 H. R. Post A Necessary Restriction on Correlation Functions Arising from $3$- (or More) Particle Systems in One Dimension . . . 2154--2154
J. N. Goldberg and A. J. Macfarlane and E. T. Newman and F. Rohrlich and E. C. G. Sudarshan Spin-$s$ Spherical Harmonics and $\Dbar$ 2155--2161 Joshua N. Goldberg Invariant Transformations and Newman--Penrose Constants . . . . . . . 2161--2166 P. Lambropoulos Solution of the Differential Equation $(\partial^2 / (\partial x \partial y) + a x \partial / \partial x + b y \partial / \partial y + c x y + \partial / \partial t ) P = 0$ . . . . . . . . . . 2167--2169 W. T. Scott New Form of Characteristic Functional for Cascade Processes . . . . . . . . . 2170--2179 José Canosa Expansion Method for Nonlinear Boundary-Value Problems . . . . . . . . 2180--2183 L. Kijewski and J. K. Percus Interpolation Method for the Many-Body Problem . . . . . . . . . . . . . . . . 2184--2193 L. M. Kaplan and M. Resnikoff Matrix Products and the Explicit $3$, $6$, $9$, and $12$-$j$ Coefficients of the Regular Representation of ${\rm SU}(n)$ . . . . . . . . . . . . . . . . 2194--2205 D. Radhakrishnan and T. S. Santhanam Internal Multiplicity Structure and Clebsch--Gordan Series for the Exceptional Group G (2) . . . . . . . . 2206--2209 N. Mukunda Unitary Representations of the Group ${\rm O}(2, 1)$ in an ${\rm O}(1, 1)$ Basis . . . . . . . . . . . . . . . . . 2210--2220 A. Staruszkiewicz Geometric Theory of the Spin-Weighted Functions . . . . . . . . . . . . . . . 2221--2222 T. Sawaguri and W. Tobocman Finite-Range Effects in Distorted-Wave Born-Approximation Calculations of Nucleon Transfer Reactions . . . . . . . 2223--2230 H. Bacry and J. L. Richard Partial Group-Theoretical Treatment for the Relativistic Hydrogen Atom . . . . . 2230--2233 Helmut Friedel Discontinuities in Nonideal Magnetogasdynamics . . . . . . . . . . . 2234--2236 C. H. Liu Effective Dielectric Tensor and Propagation Constant of Plane Waves in a Random Anisotropic Medium . . . . . . . 2236--2242 Erasmo M. Ferreira and Nilo Guillén and Javier Sesma Properties of Velocity-Dependent Potentials . . . . . . . . . . . . . . . 2243--2249 S. J. Alisauskas and A. P. Jucys Substitution Group and Mirror Reflection Symmetry in Special Unitary Groups . . . 2250--2255 M. Pauri and G. M. Prosperi Canonical Realizations of the Rotation Group . . . . . . . . . . . . . . . . . 2256--2267 Henri Cornille Connection between the Marchenko Formalism and $N / D$ Equations: Regular Interactions. I . . . . . . . . . . . . 2268--2281 David Atkinson Existence of Solutions of Crossing-Symmetric $N / D$ Equations . . 2281--2296 R. Penney Geometrization of a Complex Scalar Field. II. Analysis . . . . . . . . . . 2297--2301 Frank B. Estabrook and Hugo D. Wahlquist Tetrad Formulation of Junction Conditions in General Relativity . . . . 2302--2308 D. Masson Analyticity in the Potential Strength 2308--2314
David L. Farnsworth Some New General Relativistic Dust Metrics Possessing Isometries . . . . . 2315--2317 André Mockel Invariant Imbedding as a Generalization of the Resolvent Equation . . . . . . . 2318--2321 Antonio F. Rañada Causality and the S Matrix . . . . . . . 2321--2326 Joseph R. Cox On the Determination of the Many-Channel Potential Matrix and S Matrix from a Single Function . . . . . . . . . . . . 2327--2331 Arthur E. Ferdinand Statistical Mechanics of Dimers on a Quadratic Lattice . . . . . . . . . . . 2332--2339 Elliott H. Lieb Solution of the Dimer Problem by the Transfer Matrix Method . . . . . . . . . 2339--2341 Tuan Wu Chen Functional Derivatives and Vector Meson Fields . . . . . . . . . . . . . . . . . 2342--2346 Roger G. Newton Generalization of the Determinantal Method to Continuous Channels . . . . . 2347--2350 F. Odeh Existence and Bifurcation Theorems for the Ginzburg--Landau Equations . . . . . 2351--2356 Richard M. Spector Properties of the Wavefunction for Singular Potentials . . . . . . . . . . 2357--2365 Robert M. Saenger Bethe--Salpeter Equation in Momentum Space . . . . . . . . . . . . . . . . . 2366--2375 Alvin Meckler Dynamical Content of Differential Geometry . . . . . . . . . . . . . . . . 2376--2392 John R. Klauder Weak Correspondence Principle . . . . . 2392--2399 Gerald Rosen Internal Dynamics of Particlelike Solutions to Nonlinear Field Theories 2400--2406 Stewart Harris Proof that Successive Derivatives of Boltzmann's H Function for a Discrete Velocity Gas Alternate in Sign . . . . . 2407--2410 Robert L. W. Chen Energy Requirement for Nonlinear Density Fluctuations in a Vlasov Plasma . . . . 2410--2414 Paul Federbush Results on the Analyticity of Many-Body Scattering Amplitudes in Perturbation Theory . . . . . . . . . . . . . . . . . 2415--2419 Arthur R. Swift Daughter Regge Trajectory in a Field Theory Model . . . . . . . . . . . . . . 2420--2433 P. R. Smith and B. G. Wybourne Selection Rules and the Decomposition of the Kronecker Square of Irreducible Representations . . . . . . . . . . . . 2434--2440 D. Lichtman and R. B. McQuistan Exact Occupation Statistics for One-Dimensional Arrays of Dumbbells . . 2441--2444 Ioannis M. Besieris and Ralph T. Compton Time-Dependent Green's Function for Electromagnetic Waves in Moving Conducting Media . . . . . . . . . . . . 2445--2451 Amnon Katz Infinite Systems of Classical Particles 2451--2459 Alba Theumann Single-Particle Green's Function for a One-Dimensional Many-Fermion System . . 2460--2467 O. J. Smith and C. E. Siewert The Half-Space Green's Function for an Atmosphere with a Polarized Radiation Field . . . . . . . . . . . . . . . . . 2467--2474
Donald R. Tompkins Symmetrized Tensor ``Trace'' Operations 1--8 Gerald H. Katzin and Jack Levine Related First Integral Theorem: A Method for Obtaining Conservation Laws of Dynamical Systems with Geodesic Trajectories in Riemannian Spaces Admitting Symmetries . . . . . . . . . . 8--15 H. E. Moses Reduction of Relativistic Wavefunctions to the Irreducible Representations of the Inhomogeneous Lorentz Group. Part II. Zero-Mass Components . . . . . . . . 16--31 A. K. Common Padé Approximants and Bounds to Series of Stieltjes . . . . . . . . . . . . . . . 32--38 Ronald Mirman Invariants and Scalars of Compact Inhomogeneous Unitary Algebras . . . . . 39--46 Ronald Mirman Number of Polynomial Invariants of Adjoint and Fundamental Compact Inhomogeneous Unitary Algebras . . . . . 47--49 N. Mukunda Unitary Representations of the Homogeneous Lorentz Group in an ${\rm O}(2, 1)$ Basis . . . . . . . . . . . . 50--61 Eric H. Roffman $n$-Particle Kinematics . . . . . . . . 62--65 Boris Leaf Weyl Transformation and the Classical Limit of Quantum Mechanics . . . . . . . 65--72 R. Fitzgerald and S. Schiminovich Gauge Fields with Noninvariant Interactions . . . . . . . . . . . . . . 73--80 R. C. Erdmann and C. E. Siewert Green's Functions for the One-Speed Transport Equation in Spherical Geometry 81--89 F. Calogero and A. Degasperis Values of the Potential and Its Derivatives at the Origin in Terms of the $S$-Wave Phase Shift and Bound-State Parameters . . . . . . . . . . . . . . . 90--116 Rémi Hakim and André Mangeney Relativistic Kinetic Equations Including Radiation Effects. I. Vlasov Approximation . . . . . . . . . . . . . 116--130 John W. Clark and Paul Westhaus Cluster Expansions in Many-Fermion Theory. I. ``Factor-Cluster'' Formalisms 131--148 Paul Westhaus and John W. Clark Cluster Expansions in Many-Fermion Theory. II. Rearrangements of Primitive Decomposition Equations . . . . . . . . 149--154 Joseph L. Neuringer and James J. Stekert Electromagnetic Scattering from an Inhomogeneous, Collisionless Plasma Cylinder . . . . . . . . . . . . . . . . 155--163 Richard A. Matzner Scattering of Massless Scalar Waves by a Schwarzschild ``Singularity'' . . . . . 163--170 Michael Flicker Pair Distribution Function of a One-Dimensional Hard Rod Gas . . . . . . 171--173 Gideon Carmi Further Generalized Bose Condensation, Anisotropic ODLRO and Thin$^4$ He Films 174--180
A. Ten Kate Dirac Algebra and the Six-Dimensional Lorentz Group . . . . . . . . . . . . . 181--185 A. Gamba Representations and Classes in Groups of Finite Order . . . . . . . . . . . . . . 186--192 Gordon N. Fleming Structure of the Poincaré generators . . 193--204 R. K. Nesbet Note on the WKB Method . . . . . . . . . 205--206 Erik W. Aslaksen and John R. Klauder Unitary Representations of the Affine Group . . . . . . . . . . . . . . . . . 206--211 D. B. Litvin and J. Zak Clebsch--Gordan Coefficients for Space Groups . . . . . . . . . . . . . . . . . 212--221 Edward H. Kerner Remarks on the Nature of Relativistic Particle Orbits . . . . . . . . . . . . 222--232 G. H. Derrick and Wan Kay-Kong Particle Motion and Interaction in Nonlinear Field Theories . . . . . . . . 232--240 Colin J. Thompson Infinite-Spin Ising Model in One Dimension . . . . . . . . . . . . . . . 241--245 Leonard M. Scarfone $2 V$ Sector of the Lee Model . . . . . 246--254 H. J. W. Müller and K. Schilcher High-Energy Scattering for Yukawa Potentials . . . . . . . . . . . . . . . 255--259 R. A. Handelsman and R. M. Lewis Asymptotic Theory of Cerenkov Radiation in Inhomogeneous Media . . . . . . . . . 260--269 Jerzy Plebanski and John Stachel Einstein Tensor and Spherical Symmetry 269--283 C. P. Luehr and M. Rosenbaum Intrinsic Vector and Tensor Techniques in Minkowski Space with Applications to Special Relativity . . . . . . . . . . . 284--298 S. P. Misra and T. S. Shankara Semiclassical and Quantum Descriptions 299--304 Frank B. Thiess Analytic Functionals in Quantum Field Theory and the Regularization of Ultraviolet Divergences . . . . . . . . 305--315 T. W. B. Kibble Coherent Soft-Photon States and Infrared Divergences. I. Classical Currents . . . 315--324 Arnold H. Kritz and S. Radin and G. Sandri Evolution of the Probability Distributions and of the Correlation Functions in a Bogoliubov Plasma . . . . 325--335 R. Kantowski Another Interpretation of the Optical Scalars . . . . . . . . . . . . . . . . 336--338
Roman Jackiw Minimum Uncertainty Product, Number-Phase Uncertainty Product, and Coherent States . . . . . . . . . . . . 339--346 Marshall Luban and Michael Revzen Onset of ODLRO and the Phase Transition in the Ideal Boson Gas . . . . . . . . . 347--349 Peter Richmond and Geoffrey L. Sewell Electron correlations, magnetic ordering, and Mott insulation in solids 349--356 Robin Giles Foundations for Quantum Statistics . . . 357--371 G. A. Baraff Transmission of electromagnetic waves through a conducting slab. I. The two-sided Wiener--Hopf solution . . . . 372--384 V. Syamala Devi and L. S. R. K. Prasad State Labeling of the Irreducible Representations of ${\rm SU}_n$ . . . . 384--385 John M. Chadam Unitarity of Dynamical Propagators of Perturbed Klein--Gordon Equations . . . 386--396 S. Jang Relationships among the Wigner $9$-$j$ symbols . . . . . . . . . . . . . . . . 397--402 C. D. Collinson Embeddings of the Plane-Fronted Waves and Other Space--times . . . . . . . . . 403--410 N. Mukunda and E. C. G. Sudarshan Structure of the Dirac Bracket in Classical Mechanics . . . . . . . . . . 411--417 N. Mukunda Unitary Representations of the Lorentz Groups: Reduction of the Supplementary Series under a Noncompact Subgroup . . . 417--431 Joseph B. Krieger Asymptotic Properties of Perturbation Theory . . . . . . . . . . . . . . . . . 432--435 D. W. Schlitt Numerical Solution of a Singular Integral Equation Encountered in Polymer Physics . . . . . . . . . . . . . . . . 436--439 Yung Ming Chen Scattering of Scalar Waves by a Convex Transparent Object with Statistical Surface Irregularities . . . . . . . . . 439--450 Robert Geroch Local Characterization of Singularities in General Relativity . . . . . . . . . 450--465 D. G. Kelly and S. Sherman General Griffiths' Inequalities on Correlations in Ising Ferromagnets . . . 466--484 W. E. Couch and R. J. Torrence and A. I. Janis and E. T. Newman Tail of a Gravitational Wave . . . . . . 484--496
F. B. Estabrook and H. D. Wahlquist and C. G. Behr Dyadic Analysis of Spatially Homogeneous World Models . . . . . . . . . . . . . . 497--504 R. R. Sharma Alpha-Function Technique for Two-Center Integrals . . . . . . . . . . . . . . . 505--509 Michael M. Broido Renormalization and Composite Effects in the Lee Model . . . . . . . . . . . . . 510--514 Paul A. Benioff Some Properties of the Contact between Theory and Experiment . . . . . . . . . 514--524 A. A. Maradudin and I. P. Ipatova Structure of the Phonon Propagator for an Anharmonic Crystal . . . . . . . . . 525--532 N. Mukunda Zero-mass representations of the Poincaré group in an $O(3,1)$ basis . . . . . . . 532--536 J. G. Wray Current formalism. I. Ordering theorems for currents . . . . . . . . . . . . . . 537--552 J. G. Wray Current formalism. II. The $S$ matrix in perturbation theory . . . . . . . . . . 552--570 Martin J. Cooper Point Transformation of Classical Hard-Core Potential . . . . . . . . . . 571--578 S. K. Dutta and W. A. Wilson and A. E. S. Green Modified Born Approximation and Elastic Scattering by Weak Central Potentials 578--585 C. Eftimiu and K. W. Thompson Green's Function of a Particle in a Uniform External Field . . . . . . . . . 586--587 D. Gutkowski and A. Scalia Analytic Properties of a Class of Nonlocal Interactions. I . . . . . . . . 588--592 A. W. Martin and P. L. Pritchett Asymptotic Gravitational Field of the ``Electron'' . . . . . . . . . . . . . . 593--597 S. W. Hawking Gravitational Radiation in an Expanding Universe . . . . . . . . . . . . . . . . 598--604 R. A. Craig Perturbation Expansion for Real-Time Green's Functions . . . . . . . . . . . 605--611 A. Sankaranarayanan Extension Theorem and Representations 611--620 John D. Dollard Screening in the Schrödinger theory of scattering . . . . . . . . . . . . . . . 620--624 C. D. Collinson Note on the Geometric Theory of Neutrinos . . . . . . . . . . . . . . . 625--627 H. M. Kiefer and D. M. Fradkin Comments on Separability Operators, Invariance Ladder Operators, and Quantization of the Kepler Problem in Prolate-Spheroidal Coordinates . . . . . 627--632 Carlo Cercignani Existence, Uniqueness, and Convergence of the Solutions of Models in Kinetic Theory . . . . . . . . . . . . . . . . . 633--639 Peter Kramer Irreducible representations of the semidirect-product group $K_n = A_n \colon S_n$ and the harmonic-oscillator shell model . . . . . . . . . . . . . . 639--649 R. J. Baxter Dimers on a Rectangular Lattice . . . . 650--654
Roy G. Gordon Error Bounds in Equilibrium Statistical Mechanics . . . . . . . . . . . . . . . 655--663 R. T. Sharp and S. C. Pieper $O(5)$ Polynomial bases . . . . . . . . 663--667 L. de la Peña-Auerbach and E. Braun and L. S. García Colín Quantum-Mechanical Description of a Brownian Particle . . . . . . . . . . . 668--674 Joshua N. Goldberg Green's Theorem and Invariant Transformations . . . . . . . . . . . . 674--679 Robert Zwanzig Frequency Spectra of Harmonic Lattices with Weak Long-Range Interactions . . . 679--685 Charles Roth Electrostatic Interactions of the Configuration $d^{n - 1} s p$ . . . . . 686--692 C. L. Mehta Some Inequalities Involving Traces of Operators . . . . . . . . . . . . . . . 693--697 A. Lenard and Freeman J. Dyson Stability of Matter. II . . . . . . . . 698--711 Porter Johnson Orear Behavior in Potential Scattering 712--718 M. Wilner An Integral Equation for the Scattering Operator . . . . . . . . . . . . . . . . 719--724 Moorad Alexanian Field-Theoretic Formulation of Quantum Statistical Mechanics . . . . . . . . . 725--733 Moorad Alexanian Integral Representation for Systems of Interacting Particles . . . . . . . . . 734--737 S. Komy and L. O'Raifeartaigh Some Properties of Ladder Operators . . 738--744 Mark Diesendorf and Barry W. Ninham Quantum Corrections to the Pair Distribution Function of a Classical Plasma . . . . . . . . . . . . . . . . . 745--752 Robert L. Bowden and F. Joseph McCrosson and Edgar A. Rhodes Solution of the Transport Equation with Anisotropic Scattering in Slab Geometry 753--759 John M. Greene Two-Dimensional Measure-Preserving Mappings . . . . . . . . . . . . . . . . 760--768 Boris Leaf Weyl Transform in Nonrelativistic Quantum Dynamics . . . . . . . . . . . . 769--781 H. H. Aly and J. G. Taylor New Field-Theory Approach to Singular Potentials . . . . . . . . . . . . . . . 781--785 Asher Peres Realization of Poincaré-group generators on a light cone . . . . . . . . . . . . 785--789 Erik Eriksen Properties of Higher-Order Commutator Products and the Baker--Hausdorff Formula . . . . . . . . . . . . . . . . 790--796 Gerald L. Nutt Two- and Three-Particle Coulomb Systems 796--803 Gerald Rosen Nonexistence of Finite-Energy Stationary Quantum States in Nonlinear Field Theories . . . . . . . . . . . . . . . . 804--805 Leonard Eyges and John R. Jasperse Improved method for quantum-mechanical three-body problem III. Use of Sturmian functions . . . . . . . . . . . . . . . 805--812
Klaus Bichteler Global Existence of Spin Structures for Gravitational Fields . . . . . . . . . . 813--815 Vittorio Berzi and Vittorio Gorini Lie-Group and Lie-Algebra Inhomogenizations . . . . . . . . . . . 816--828 Vittorio Berzi and Vittorio Gorini Inhomogenizations and Complex Representations . . . . . . . . . . . . 829--836 Robert E. Hartwig and John Stephenson Ising-Model Spin Correlations . . . . . 836--848 C. Rosenzweig and J. B. Krieger Exact Quantization Conditions . . . . . 849--860 J. Winicour Some Total Invariants of Asymptotically Flat Space--times . . . . . . . . . . . 861--867 Rodney J. Mason Electric-Field Penetration into a Plasma with a Fractionally Accommodating Boundary . . . . . . . . . . . . . . . . 868--874 Melville S. Green Generalized Ornstein--Zernike Approach to Critical Phenomena . . . . . . . . . 875--890 John V. Corbett Convergence of the Born Series . . . . . 891--898 G. H. Wannier and J. P. Van Dyke Are Bloch Bands at Finite Field Adiabatically Connected to Those at Zero Field? . . . . . . . . . . . . . . . . . 899--904 Jeffrey M. Cohen Angular Momentum and the Kerr Metric . . 905--906 R. Bellman and H. Kagiwada and R. Kalaba and S. Ueno New derivation of the integro-differential equations for Chandrasekhar's $X$ and $Y$ functions 906--908 R. E. Bellman and H. H. Kagiwada and R. E. Kalaba and S. Ueno Diffuse Transmission of Light from a Central Source through an Inhomogeneous Spherical Shell with Isotropic Scattering . . . . . . . . . . . . . . . 909--912 A. Schild and J. A. Schlosser Electromagnetic Two-Body Problem for Particles with Spin . . . . . . . . . . 913--915 L. de la Peña-Auerbach and Leopoldo S. García-Colín Possible Interpretation of Quantum Mechanics . . . . . . . . . . . . . . . 916--921 L. de la Peña-Auerbach and Leopoldo S. García-Colín Simple Generalization of Schrödinger's Equation . . . . . . . . . . . . . . . . 922--927 Peter Carruthers Local field theory and isospin invariance. I. Free-field theory of spinless bosons . . . . . . . . . . . . 928--945 Gerard G. Emch and Geoffrey L. Sewell Nonequilibrium Statistical Mechanics of Open Systems . . . . . . . . . . . . . . 946--958 C. Fronsdal and Harun Ar-Rashid Matrix elements of operators of class I representations of ${\rm SL}(n, C)$ . . 959--964 R. G. Storer Path-Integral Calculation of the Quantum-Statistical Density Matrix for Attractive Coulomb Forces . . . . . . . 964--970
W. J. Cocke and Jeffrey M. Cohen Cauchy Problem in the Scalar-Tensor Gravitational Theory . . . . . . . . . . 971--973 John Gabriel New Methods for Reduction of Group Representations. II . . . . . . . . . . 973--976 Leonard M. Scarfone Tamm--Dancoff Method in the 2V Sector of the Lee Model . . . . . . . . . . . . . 977--983 Amnon Katz Derivation of Newton's Law of Gravitation from General Relativity . . 983--985 Norman Dombey and R. H. Jones Analyticity Properties of the Scattering Amplitude for Singular Potentials . . . 986--995 Gerald Rosen Particlelike Solutions to Nonlinear Complex Scalar Field Theories with Positive-Definite Energy Densities . . . 996--998 Gerald Rosen Charged Particlelike Solutions to Nonlinear Complex Scalar Field Theories 999--1002 F. Calogero and O. D. Corbella and A. Degasperis and M. B. De Stefano Variational Bounds for the Potential in Terms of the $S$-Wave Phase Shift . . . 1002--1006 John F. Nagle Weak-Graph Method for Obtaining Formal Series Expansions for Lattice Statistical Problems . . . . . . . . . . 1007--1019 J. F. Nagle and H. N. V. Temperley Combinatorial Theorem for Graphs on a Lattice . . . . . . . . . . . . . . . . 1020--1026 E. G. Beltrametti and A. A. Blasi Rotation and Lorentz Groups in a Finite Geometry . . . . . . . . . . . . . . . . 1027--1035 Robert L. Conger Model for Converging Detonations in Solid Explosives . . . . . . . . . . . . 1036--1040 P. R. Smith and B. G. Wybourne Plethysm and the Theory of Complex Spectra . . . . . . . . . . . . . . . . 1040--1051 M. Misra Type-Null Vacuum Solutions in General Relativity . . . . . . . . . . . . . . . 1052--1052 William J. Kaufmann III Radiating Spheres in the Scalar-Tensor Theory of General Relativity . . . . . . 1053--1057 V. Syamala Devi and T. Venkatarayudu Bases for the Representations of ${\rm U}_4$ in the Chain $ {\rm U}_4 \supset {\rm U}_2 + {\rm U}_2$ . . . . . . . . . 1057--1058 Colin J. Thompson Spherical Model as an Instance of Eigenvalue Degeneracy . . . . . . . . . 1059--1062 Richard A. Matzner 3-Sphere ``Backgrounds'' for the Space Sections of the Taub Cosmological Solution . . . . . . . . . . . . . . . . 1063--1067 P. L. Corio Construction of Orthonormal Angular-Momentum Operators . . . . . . . 1067--1071 J. M. Stewart and G. F. R. Ellis Solutions of Einstein's Equations for a Fluid Which Exhibit Local Rotational Symmetry . . . . . . . . . . . . . . . . 1072--1082 Lloyd Armstrong, Jr. Relativistic Effects in Atomic Fine Structure. II . . . . . . . . . . . . . 1083--1086 R. G. Gordon Error Bounds in Spectroscopy and Nonequilibrium Statistical Mechanics . . 1087--1092 Philip Pearle Construction of an Invariance from a Conservation Law, and Vice Versa, in Classical Mechanics . . . . . . . . . . 1092--1102 R. C. Whitten and F. T. Smith Symmetric Representation for Three-Body Problems. II. Motion in Space . . . . . 1103--1113 J. F. McDonald and L. D. Favro Nearest-Neighbor Spacing Distribution for an Ensemble of Random Matrices with a Nonrandom Bias . . . . . . . . . . . . 1114--1119 Oscar E. Lanford III and Derek W. Robinson Mean Entropy of States in Quantum-Statistical Mechanics . . . . . 1120--1125 M. Lutzky Parameter Differentiation of Exponential Operators and the Baker--Campbell--Hausdorff Formula . . . 1125--1128 M. Rosenblatt Remarks on the Burgers Equation . . . . 1129--1136
John L. Challifour Time-Ordered Products in Two-Dimensional Field Theories . . . . . . . . . . . . . 1137--1145 M. Pauri and G. M. Prosperi Canonical Realizations of the Galilei Group . . . . . . . . . . . . . . . . . 1146--1162 Willard Miller, Jr. Special Functions and the Complex Euclidean Group in $3$-Space. I . . . . 1163--1175 Willard Miller, Jr. Special Functions and the Complex Euclidean Group in $3$-Space. II . . . . 1175--1187 P. Pajas and R. Raczka Degenerate representations of the symplectic groups. I. The compact group ${\rm Sp}(n)$ . . . . . . . . . . . . . 1188--1201 Robert M. Miura Korteweg--de Vries Equation and Generalizations. I. A Remarkable Explicit Nonlinear Transformation . . . 1202--1204 Robert M. Miura and Clifford S. Gardner and Martin D. Kruskal Korteweg--de Vries equation and generalizations. II. Existence of conservation laws and constants of motion . . . . . . . . . . . . . . . . . 1204--1209 Erasmo M. Ferreira and Nilo Guillén and Javier Sesma Properties of the $S$ matrix for velocity-dependent potentials . . . . . 1210--1223 N. Kemmer and D. L. Pursey and S. A. Williams Irreducible Representations of the Five-Dimensional Rotation Group. I . . . 1224--1230 S. A. Williams and D. L. Pursey Irreducible Representations of the Five-Dimensional Rotation Group. II . . 1230--1240 Pierre C. Sabatier Approach to Scattering Problems through Interpolation Formulas and Application to Spin-Orbit Potentials . . . . . . . . 1241--1258 Mayer Humi Extension of the Factorization Method 1258--1265 Abraham Kadish Extended Energy-Integral Technique for Linear Differential Equations . . . . . 1266--1269 Marvin M. Miller Convergence of the Sudarshan Expansion for the Diagonal Coherent-State Weight Functional . . . . . . . . . . . . . . . 1270--1274 Amitabha Chakrabarti and Monique Levy-Nahas and Roland Seneor `Lorentz basis' of the Poincaré group . . 1274--1283 Robert B. Griffiths and J. L. Lebowitz Random spin systems: Some rigorous results . . . . . . . . . . . . . . . . 1284--1292 Kenneth J. Miller Two-Center Coulomb and Hybrid Integrals 1292--1294 S. M. Razaullah Ansari Quasibinomial representations of Clebsch--Gordan coefficients. I. Square symbol . . . . . . . . . . . . . . . . . 1295--1299 S. M. Razaullah Ansari Quasibinomial Representations of Clebsch--Gordan Coefficients. II. ``Negative'' Representations . . . . . . 1299--1305 Joe Rosen Construction of Invariants for Lie Algebras of Inhomogeneous Pseudo-Orthogonal and Pseudo-Unitary Groups . . . . . . . . . . . . . . . . . 1305--1307 G. W. Swan Current Distribution in a Thin Superconducting Strip . . . . . . . . . 1308--1312 A. Casher and D. Lurié and M. Revzen Functional Integrals for Many-Boson Systems . . . . . . . . . . . . . . . . 1312--1318 C. V. Vishveshwara Generalization of the ``Schwarzschild Surface'' to Arbitrary Static and Stationary Metrics . . . . . . . . . . . 1319--1322 G. Pinski Interaction of Particlelike Solutions in a Classical Nonlinear Model Field Theory 1323--1326
R. W. Richardson Exactly Solvable Many-Boson Model . . . 1327--1343 J. Ehlers and P. Geren and R. K. Sachs Isotropic solutions of the Einstein--Liouville equations . . . . . 1344--1349 W. S. Woolcock Asymptotic Behavior of Stieltjes Transforms. II . . . . . . . . . . . . . 1350--1356 Peter R. Fontana and William J. Meath One- and two-center expansions of the Breit--Pauli Hamiltonian . . . . . . . . 1357--1364 P. D. Robinson and A. M. Arthurs Some Variational Principles for Integral Equations . . . . . . . . . . . . . . . 1364--1368 John J. Sullivan Antisymmetric Projection in the Approximation of No Spin-Orbit Coupling 1369--1374 M. L. Mehta and P. K. Srivastava Irreducible Corepresentations of Groups Having a Compact Simple Lie Group as a Subgroup of Index 2 . . . . . . . . . . 1375--1385 K. J. Whiteman and B. McNamara Invariants of Nearly Periodic Hamiltonian Systems. II . . . . . . . . 1385--1389 James P. Fink Asymptotic Estimates of Feynman Integrals . . . . . . . . . . . . . . . 1389--1400 Dave Pandres and Donald A. Jacobson Scalar Product for Harmonic Functions of the Group ${\rm SU}(2)$ . . . . . . . . 1401--1403 Eugene R. Speer Analytic Renormalization . . . . . . . . 1404--1410 James E. Turner Violation of the Quantum Ordering of Propositions in Hidden-Variable Theories 1411--1415 F. J. Ynduráin Lorentz Covariant Distributions . . . . 1415--1422 F. J. Ynduráin ``Haag Theorem'' for the Point-Coupling Relativistic Lee Model . . . . . . . . . 1423--1424 Kenneth Rafanelli Generalized Second-Order Relativistic Wave Equations. I . . . . . . . . . . . 1425--1428 L. D. Favro and J. F. McDonald Ensemble of Random Matrices with a Random Bias . . . . . . . . . . . . . . 1429--1434 Willard Miller, Jr. Special Functions and the Complex Euclidean Group in $3$-Space. III . . . 1434--1444 H. F. Tiersten Natural Boundary and Initial Conditions from a Modification of Hamilton's Principle . . . . . . . . . . . . . . . 1445--1451 Garrison Sposito Quantum-Ergodic Problem . . . . . . . . 1452--1456 Rubin Goldstein Iterative Solutions by Means of Trial Operators . . . . . . . . . . . . . . . 1456--1461 R. F. Keam Reduction of the Bethe--Salpeter Equation for a Zero-Mass System . . . . 1462--1467 A. L. Licht Background Dependence of Local States 1468--1475 A. L. Licht Coherent Superposition of Local States 1476--1480 Edgar A. Kraut Elastic-Wave Propagation and the Factorization of Matrix-Valued Functions of Several Complex Variables . . . . . . 1481--1487 L. T. Klauder, Jr. and J. G. Gay Note on Zak's Method for Constructing Representations of Space Groups . . . . 1488--1489 D. Atkinson and A. P. Contogouris Diffraction Scattering and Vector-Meson Resonances . . . . . . . . . . . . . . . 1489--1500 H. Cornille and G. Rubinstein Threshold-Behavior Requirements for $P$-Wave $N / D$ Equations . . . . . . . 1501--1516
Yuri V. Novozhilov and Igor A. Terentjev Unitary representations of the generalized Poincaré groups . . . . . . . 1517--1526 T. Burke and J. L. Lebowitz Note on Statistical Mechanics of Random Systems . . . . . . . . . . . . . . . . 1526--1534 Robert Nyden Hill Quantum Corrections to the Second Virial Coefficient at High Temperatures . . . . 1534--1547 Henry P. Stapp Crossing, Hermitian Analyticity, and the Connection between Spin and Statistics 1548--1592 S. P. Rosen TCP Invariance and the Dimensionality of Space--time . . . . . . . . . . . . . . 1593--1594 Emile Grgin Null and Pseudonull Data for Scalar Fields . . . . . . . . . . . . . . . . . 1595--1601 I. Bialynicki-Birula and J. Piasecki Green's Functions for the Ising Chain 1602--1605 Henri Bacry and Jean-Marc Lévy-Leblond Possible Kinematics . . . . . . . . . . 1605--1614 Tsu Yao Unitary Irreducible Representations of ${\rm SU}(2, 2)$. II . . . . . . . . . . 1615--1626 H. A. Mavromatis and K. Schilcher Inverse Functions of the Products of Two Bessel Functions and Applications to Potential Scattering . . . . . . . . . . 1627--1632 Porter Johnson High-Energy Fixed-Angle Potential Scattering . . . . . . . . . . . . . . . 1633--1638 H. D. Doebner and O. Melsheimer Limitable dynamical groups in quantum mechanics. I. General theory and a spinless model . . . . . . . . . . . . . 1638--1656 Richard A. Matzner Almost Symmetric Spaces and Gravitational Radiation . . . . . . . . 1657--1668 William H. Klink Multiplicity Problem for Compact Subgroups of Noncompact Groups . . . . . 1669--1679 R. B. McQuistan and D. Lichtman Exact Occupation Kinetics for One-Dimensional Arrays of Dumbbells . . 1680--1684 P. O. G. Ehrhardt and D. B. Fairlie Crossing and Unitarity in a Multichannel Static Model. I . . . . . . . . . . . . 1685--1689 José A. de Azcárraga and Luis J. Boya Poincaré Group and the Invariant Relativistic Equations for Massive Particles of Any Spin . . . . . . . . . 1689--1693 Amnon Katz Retarded and Advanced Electromagnetic Fields in Friedmann Universes . . . . . 1694--1700 M. M. Carroll and R. S. Rivlin Electro-Optical Effects. II . . . . . . 1701--1704 Shoon Kyung Kim Modified Admittance, Perpendicular Susceptibilities, and Transformation of Correlations of the Ising Model . . . . 1705--1714 B. K. Datta and A. K. Raychaudhuri Stationary Electromagnetic Fields in General Relativity . . . . . . . . . . . 1715--1718 Paul Federbush Local Operator Algebras in the Presence of Superselection Rules . . . . . . . . 1718--1721 I. K. Abu-Shumays and E. H. Bareiss Generating Functions for the Exact Solution of the Transport Equation. I 1722--1731 Joseph Kahane Algorithm for Reducing Contracted Products of $\gamma$ Matrices . . . . . 1732--1738
Robert Geroch Spinor Structure of Space--times in General Relativity. I . . . . . . . . . 1739--1744 B. Kent Harrison New Solutions of the Einstein--Maxwell Equations from Old . . . . . . . . . . . 1744--1752 Robert L. Bowden and Norman R. Richardson Solution of the equations of Radiative Transfer in a free-electron atmosphere 1753--1761 David Finkelstein and Julio Rubinstein Connection between Spin, Statistics, and Kinks . . . . . . . . . . . . . . . . . 1762--1779 Donald H. Kobe Principle of compensation of dangerous diagrams for boson systems. I. Maximum overlap . . . . . . . . . . . . . . . . 1779--1794 Donald H. Kobe Principle of compensation of dangerous diagrams for boson systems. II. Minimum quasiparticle number . . . . . . . . . . 1795--1805 Rémi Hakim Relativistic Stochastic Processes . . . 1805--1818 D. A. Dunnett and E. W. Laing and J. B. Taylor Invariants in the Motion of a Charged Particle in a Spatially Modulated Magnetic Field . . . . . . . . . . . . . 1819--1823 A. McKerrell Kinematic Singularities of Helicity and Transversity Amplitudes and Asymptotic Regge-Pole Contributions . . . . . . . . 1824--1832 Charles Roth Spin-orbit interactions of the configuration $\ell^{n-1}\ell'\ell''$ 1832--1834 P. Carruthers Local field theory and isospin invariance. II. Free field theory of arbitrary spin particles . . . . . . . . 1835--1845 A. D. Levine and C. F. Hayes Variational Approach to Multiple Scattering . . . . . . . . . . . . . . . 1845--1847 D. Atkinson Narrow Resonance Saturation of Sum Rules: A Nonuniqueness Theorem . . . . . 1848--1864 R. T. Compton, Jr. One- and Two-Dimensional Green's Functions for Electromagnetic Waves in Moving Simple Media . . . . . . . . . . 1865--1872 M. M. R. Williams Diffusion length and criticality problems in two- and three-dimensional, one-speed neutron transport theory. I. Rectangular coordinates . . . . . . . . 1873--1885 M. M. R. Williams Diffusion length and criticality problems in two- and three-dimensional, one-speed neutron transport theory. II. Circular cylindrical coordinates . . . . 1885--1889 William M. Frank Strong-Coupling Limit in Potential Theory. II . . . . . . . . . . . . . . . 1890--1898 K. Chadan and A. Montes Derivation of nonrelativistic sum rules from the causality condition of Wigner and Van Kampen . . . . . . . . . . . . . 1898--1914 José Canosa and Julian Cole Asymptotic Behavior of Certain Nonlinear Boundary-Value Problems . . . . . . . . 1915--1921 Willard R. Chappell Microscopic approach to kinetic theory: Inhomogeneous systems . . . . . . . . . 1921--1926 G. Pinski Galilean Tensor Calculus . . . . . . . . 1927--1930 J. R. Jasperse Approach to the Three-Body Scattering Problem . . . . . . . . . . . . . . . . 1931--1936 R. Delbourgo Representation Functions for the Degenerate Baryon Series in ${\rm U}(6) \otimes {\rm U}(6)$ . . . . . . . . . . 1936--1939 Ralph G. Tross and Louis H. Lund Cell model of a fluid. I. Evaluation of the partition function and series expansions . . . . . . . . . . . . . . . 1940--1956 Ralph G. Tross and Louis H. Lund Cell model of a fluid. II. Thermodynamic properties of the system . . . . . . . . 1957--1975 H. R. Lewis, Jr. Class of Exact Invariants for Classical and Quantum Time-Dependent Harmonic Oscillators . . . . . . . . . . . . . . 1976--1986 Moshe Carmeli Representations of the Three-Dimensional Rotation Group in Terms of Direction and Angle of Rotation . . . . . . . . . . . 1987--1992
I. K. Abu-Shumays and E. H. Bareiss Generating functions for the exact solution of the transport equation. II. Time-dependent with anisotropic scattering . . . . . . . . . . . . . . . 1993--2001 Éamon Lalor Inverse Wave Propagator . . . . . . . . 2001--2006 N. S. Gillis Response of a Many-Particle System to Quasistatic Changes in Volume . . . . . 2007--2016 Thomas P. Mitchell and J. A. Burns Relativistic Dynamics of a Point Charge in a Magnetic-Monopole Field . . . . . . 2016--2017 Ercüment Özizmir Transmission and Reflection of Electromagnetic Waves at the Boundary of a Relativistic Collisionless Plasma . . 2018--2028 G. C. Hegerfeldt and K. Kraus and E. P. Wigner Proof of the Fermion superselection rule without the assumption of time-reversal invariance . . . . . . . . . . . . . . . 2029--2031 José Canosa Nonlinear Boundary-Value Problems in One- and Two-Dimensional Composite Domains . . . . . . . . . . . . . . . . 2032--2036 N. Anderson and A. M. Arthurs Variational Solutions of Nonlinear Poisson--Boltzmann Boundary-Value Problems . . . . . . . . . . . . . . . . 2037--2038 Harry E. Moses Reduction of reducible representations of the Poincaré group to standard helicity representations . . . . . . . . 2039--2049 Roger G. Newton Determination of the Amplitude from the Differential Cross Section by Unitarity 2050--2055 Murray Muraskin Interpretation of $\Gamma_{[j k]}^i$ in a Huygens Model . . . . . . . . . . . . 2056--2060 D. Radhakrishnan On the Clebsch--Gordan Series of a Semisimple Lie Algebra . . . . . . . . . 2061--2063 Masuo Suzuki Theorems on the Ising Model with General Spin and Phase Transition . . . . . . . 2064--2068 E. M. Barston Eigenvalue Problem for Lagrangian Systems. III . . . . . . . . . . . . . . 2069--2075 Raphael Hòegh-Krohn Asymptotic Fields in Some Models of Quantum Field Theory. I . . . . . . . . 2075--2080 K. C. Chen and J. L. Yen Green's Functions for Electromagnetic Waves in Moving Lossy Media . . . . . . 2081--2086 A. Chakrabarti Class of Representations of the ${\rm IU}(n)$ and ${\rm IO}(n)$ Algebras and Respective Deformations to ${\rm U}(n, 1)$, ${\rm O}(n, 1)$ . . . . . . . . . . 2087--2100 Jacob G. Kuriyan and N. Mukunda and E. C. G. Sudarshan Master Analytic Representation: Reduction of ${\rm O}(2, 1)$ in an ${\rm O}(1, 1)$ Basis . . . . . . . . . . . . 2100--2108 Gerald Speisman Auxiliary Variables in Statistical Mechanics: Variational Principle . . . . 2109--2120 Gideon Carmi First-Order Phase Transitions in Quantum-Coulomb Plasmas . . . . . . . . 2120--2131 M. I. Sobel Differential equations for Half-off-shell matrix elements . . . . . 2132--2137 A. Aviran and J. Zak Matrix Elements in Systems with Nonunitary Symmetry . . . . . . . . . . 2138--2145 D. Tz. Stoyanov and I. T. Todorov Majorana Representations of the Lorentz Group and Infinite-Component Fields . . 2146--2167 Clifford Risk Analyticity of the Envelope Diagrams . . 2168--2172 A. J. F. Siegert and David J. Vezzetti On the Ising Model with Long-Range Interaction . . . . . . . . . . . . . . 2173--2193 W. Kundt and E. T. Newman Hyperbolic Differential Equations in Two Dimensions . . . . . . . . . . . . . . . 2193--2210 Jean-Pierre Lebrun Class of Solutions of the Physical $3$-Particle Unitarity Equations in Static $S$-Matrix Theory . . . . . . . . 2211--2225 C. P. Luehr and M. Rosenbaum Intrinsic Spinor Techniques with Applications to the Lorentz Group and the Dirac Equation . . . . . . . . . . . 2225--2236 Hsin-i Wu and Paul W. Schmidt Theory of the Small-Angle X-Ray Scattering from Randomly Oriented Plane Laminas . . . . . . . . . . . . . . . . 2237--2252 Robert J. Rubin Transmission Properties of an Isotopically Disordered One-Dimensional Harmonic Crystal . . . . . . . . . . . . 2252--2266 M. M. Carroll and R. S. Rivlin Electro-Optical Effects. III . . . . . . 2267--2278 P. V. Landshoff Cayley transform of the $S$ matrix . . . 2279--2282
John A. Thorpe Curvature and the Petrov Canonical Forms 1--7 Kenneth Millard Translational Invariance Properties of a Finite One-Dimensional Hard-Core Fluid Using the Grand Canonical Ensemble . . . 7--13 I. Lerche Instability of Transverse Waves in a Relativistic Plasma . . . . . . . . . . 13--20 Shau-Jin Chang and L. O'Raifeartaigh Unitary representations of ${\rm SL}(2, C)$ in an ${\rm E}(2)$ basis . . . . . . 21--29 W. Zickendraht Configuration-Space Approach to the Four-Particle Problem . . . . . . . . . 30--37 Roger Penrose Solutions of the Zero-Rest-Mass Equations . . . . . . . . . . . . . . . 38--39 J. F. Dobson Many-Neighbored Ising Chain . . . . . . 40--45 Rodger L. Gamblin Comments on the Classical Theory of Magnetic Monopoles . . . . . . . . . . . 46--48 H. W. Gould Note on Two Binomial Coefficient Identities of Rosenbaum . . . . . . . . 49--50 Paul Federbush Partially alternate derivation of a result of Nelson . . . . . . . . . . . . 50--52 J. P. Antoine Dirac formalism and symmetry problems in quantum mechanics. I. General Dirac formalism . . . . . . . . . . . . . . . 53--69 Brandon Carter Killing Horizons and Orthogonally Transitive Groups in Space--time . . . . 70--81 H. M. Nussenzveig High-Frequency Scattering by a Transparent Sphere. I. Direct Reflection and Transmission . . . . . . . . . . . . 82--124 H. M. Nussenzveig High-frequency scattering by a transparent sphere. II. Theory of the Rainbow and the Glory . . . . . . . . . 125--176 Chanchal K. Majumdar Problem of Two Spin Deviations in a Linear Chain with Next-Nearest-Neighbor Interactions . . . . . . . . . . . . . . 177--180 Shimshon Zimering Some Asymptotic Behavior of Stieltjes Transforms . . . . . . . . . . . . . . . 181--183 Michael M. Broido and John G. Taylor Bethe--Salpeter Equation . . . . . . . . 184--209 A. Kuszell Kinetic Description of an Inhomogeneous Plasma . . . . . . . . . . . . . . . . . 210--220 Mikael Ciftan and L. C. Biedenharn Combinatorial structure of state vectors in $U_n$. I. Hook patterns for maximal and semimaximal states in $U_n$ . . . . 221--232
G. C. Summerfield and P. F. Zweifel Relationships among Generalized Phase-Space Distributions . . . . . . . 233--235 W. H. Kleiner and T. A. Kaplan Symmetry of the Ground Level of a Hamiltonian . . . . . . . . . . . . . . 236--238 Lawrence Sirovich and James K. Thurber Wave Propagation and Other Spectral Problems in Kinetic Theory . . . . . . . 239--249 J. L. Neuringer Closed-Form Solution of the Differential Equation $(\partial^2 / (\partial x \partial y) + a x \partial / \partial x + b y \partial / \partial y + c x y + \partial / \partial t ) P = 0$ Subject to the Initial Condition $P(x, y, t = 0) = \Phi(x, y)$ . . . . . . . . . . . . . 250--251 R. M. Delaney and B. Gruber Inner and Restriction Multiplicity for Classical Groups . . . . . . . . . . . . 252--265 James J. Duderstadt Theory of the Propagation of the Plane-Wave Disturbances in a Distribution of Thermal Neutrons . . . . 266--276 Arturo Cisneros and Harold V. McIntosh Symmetry of the Two-Dimensional Hydrogen Atom . . . . . . . . . . . . . . . . . . 277--286 Hans G. Kaper Elementary Solutions of the Reduced Three-Dimensional Transport Equation . . 286--297 Mahmoud M. Bakri de Sitter symmetric field theory. I. One-particle theory . . . . . . . . . . 298--320 Robert L. Mills and John F. Reading Inversion Problem with Separable Potentials . . . . . . . . . . . . . . . 321--331 R. Mirman Classification and Complete Reducibility of Representations of Compact Inhomogeneous Groups and Algebras . . . 331--338 P. O. G. Ehrhardt and D. B. Fairlie Crossing and Unitarity in a Multichannel Static Model. II . . . . . . . . . . . . 339--341 Martin H. Millman and Joseph B. Keller Perturbation Theory of Nonlinear Boundary-Value Problems . . . . . . . . 342--361 J. B. Morton and S. Corrsin Experimental Confirmation of the Applicability of the Fokker--Planck Equation to a Nonlinear Oscillator . . . 361--368 Joshua N. Goldberg and Ezra T. Newman Generalization of Green's Theorem . . . 369--370
Joseph Coster and Henry P. Stapp Physical-Region Discontinuity Equations for Many-Particle Scattering Amplitudes. I . . . . . . . . . . . . . . . . . . . 371--396 E. H. Hauge and E. G. D. Cohen Normal and Abnormal Diffusion in Ehrenfests' Wind-Tree Model . . . . . . 397--414 Gerald Rosen and J. A. Okolowski and Gene Eckstut Functional Integration Theory for Incompressible Fluid Turbulence. II . . 415--421 Platon C. Deliyannis and Evangelos K. Ifantis Spectral Theory of the Difference Equation $f(n + 1) + f(n - 1) = [E - \phi(n)] f(n)$ . . . . . . . . . . . . . 421--425 Timothy P. Coffey, Jr. Invariants to All Orders in Classical Perturbation Theory . . . . . . . . . . 426--438 Robert L. W. Chen and Thomas H. Neighbors Isoperimetric Solutions Related to the Thermodynamics of Plasmas . . . . . . . 439--442 J. M. Hammersley and A. Feuerverger and A. Izenman and K. Makani Negative Finding for the Three-Dimensional Dimer Problem . . . . 443--446 James R. Wait Approach to the Mode Conversion Problem in Nonuniform Acoustic Waveguides . . . 447--451 Guy Boillat Ray Velocity and Exceptional Waves: A Covariant Formulation . . . . . . . . . 452--454 M. Moshinsky and V. Syamala Devi General Approach to Fractional Parentage Coefficients . . . . . . . . . . . . . . 455--466 B. G. Wybourne Hermite's Reciprocity Law and the Angular-Momentum States of Equivalent Particle Configurations . . . . . . . . 467--471 Peter D. Robinson Complementary Bounds for Ground-State Energies . . . . . . . . . . . . . . . . 472--474 E. M. Baroody Frequency Spectrum and Momentum Autocorrelation Function for a Simple Lattice . . . . . . . . . . . . . . . . 475--479 Chung-Yu Ting Theoretical Study of Finite Dielectric-Coated Cylindrical Antenna 480--493 M. J. W. Bloxham and D. I. Olive and J. C. Polkinghorne $S$-matrix singularity structure in the physical region. I. Properties of multiple integrals . . . . . . . . . . . 494--502 Richard M. Spector High-Energy Scattering Cross Section for Singular Potentials at Large Angles . . 503--505 J. E. Moyal Mean Ergodic Theorems in Quantum Mechanics . . . . . . . . . . . . . . . 506--509 Robert L. Zimmerman Bound States of a New Kind in Quantum Field Theory . . . . . . . . . . . . . . 509--518 Awele Maduemezia Partial-Wave Analysis in Terms of ${\rm SL}(2, C) / {\rm SU}(2)$ Harmonic Functions . . . . . . . . . . . . . . . 519--523 G. E. Hahne Analytic continuation of Appell's hypergeometric series $F_2$ to the vicinity of the singular point $x = 1$, $y = 1$ . . . . . . . . . . . . . . . . 524--531 Douglas Francis Holland Finite Transformations of ${\rm SU}_3$ 531--535 C. H. Su and C. S. Gardner Korteweg--de Vries equation and generalizations. III. Derivation of the Korteweg--de Vries equation and Burgers equation . . . . . . . . . . . . . . . . 536--539 Johannes H. van der Merwe and Alwyn J. van der Merwe Second-Order Dispersion-Energy Series for Axially Symmetric Molecules . . . . 539--544
M. J. W. Bloxham and D. I. Olive and J. C. Polkinghorne $S$-matrix singularity structure in the physical region. II. Unitarity integrals 545--552 M. J. W. Bloxham and D. I. Olive and J. C. Polkinghorne $S$-matrix singularity structure in the physical region. III. General discussion of simple Landau singularities . . . . . 553--561 F. Calogero and C. Marchioro Lower Bounds to the Ground-State Energy of Systems Containing Identical Particles . . . . . . . . . . . . . . . 562--569 Moshe Carmeli Group-Theoretic Approach to the New Conserved Quantities in General Relativity . . . . . . . . . . . . . . . 569--574 Anton Z. Capri Electron in a Given Time-Dependent Electromagnetic Field . . . . . . . . . 575--580 S. Pahor and P. F. Zweifel Invariant imbedding and Case eigenfunctions . . . . . . . . . . . . . 581--589 Kurt Meetz Realization of Chiral Symmetry in a Curved Isospin Space . . . . . . . . . . 589--593 R. F. Keam Solution of the Bethe--Salpeter Equation with a Square-Well Potential . . . . . . 594--603 David W. Howgate Method for the Evaluation of Certain Time-Dependent Thermal Averages . . . . 604--606 William H. Klink Unitary representations of the Poincaré Group contained in a class of representations of the conformal group 606--613 Jagannathan Gomatam and F. Rohrlich Powers of the $D$ Functions . . . . . . 614--616 Gerald H. Katzin and Jack Levine and William R. Davis Curvature Collineations: A Fundamental Symmetry Property of the Space--times of General Relativity Defined by the Vanishing Lie Derivative of the Riemann Curvature Tensor . . . . . . . . . . . . 617--629 Asher Peres Renormalization of a Finite Matrix Hamiltonian . . . . . . . . . . . . . . 629--632 G. E. Tauber Massive vector meson interacting with the gravitational field. I. General formalism . . . . . . . . . . . . . . . 633--638 Raphael Hòegh-Krohn Asymptotic Fields in Some Models of Quantum Field Theory. II . . . . . . . . 639--643 Leonard Eyges Ground-State Many-Boson Problem with Repulsive Potentials . . . . . . . . . . 644--654 William R. Ross and John R. Taylor Some Analytic Properties of Scattering Amplitudes for Long-Range Forces . . . . 654--660 W. E. Brittin and W. R. Chappell Functional methods in statistical mechanics. I. Classical theory . . . . . 661--674 Clas Blomberg Functional Integrals Representing Distribution Functions in Statistical Mechanics . . . . . . . . . . . . . . . 675--682 Takehiko Ishidzu and Hideo Kawarada and Masachiyo Sato ${\rm SU}_3$ Algebra in the Mixed-Shell Space $(0 p, 0 d, 1 s)$. I . . . . . . . 683--688 Kenneth M. Watson Multiple Scattering of Electromagnetic Waves in an Underdense Plasma . . . . . 688--702 Mark L. Yoseloff and Harold W. Kuhn Combinatorial approach to the $N$-representability of $P$-density matrices . . . . . . . . . . . . . . . . 703--706 Peter B. Kahn and N. Rosenzweig Level Density of a Fermi System: Nonperiodic Perturbations of the Energy-Level Scheme . . . . . . . . . . 707--715 F. H. Northover Sufficiency Condition for the Validity of the WKB Approximation . . . . . . . . 715--724 Ernest R. Davidson Linear Inequalities for Density Matrices 725--734 R. Stabell First-Order Approximation to a Spherically Symmetric Solution of Einstein's Equations . . . . . . . . . . 735--739 William G. Harter Algebraic Theory of Ray Representations of Finite Groups . . . . . . . . . . . . 739--752 Elliott W. Montroll Random walks on lattices. III. Calculation of first-passage times with application to exciton trapping on photosynthetic units . . . . . . . . . . 753--765 James Thompson and Glen Schrank Algebraic Classification of Four-Dimensional Riemann Spaces . . . . 766--770 Vedene H. Smith, Jr. and Frank E. Harris Projection of Exact Spin Eigenfunctions 771--778 Huan Lee On the Isospin Crossing Matrix . . . . . 779--787 Benjamin P. Carter Partial separation of the Schrödinger equation for two charged particles in a magnetic field . . . . . . . . . . . . . 788--791 W. Rühl Classical Fields on Spacelike Mass Shells . . . . . . . . . . . . . . . . . 791--798
Jack Cohn Considerations on the Classical Spinning Electron . . . . . . . . . . . . . . . . 799--805 Jean-Marc Lévy-Leblond Nonsaturation of Gravitational Forces 806--812 S. K. Bose and R. Parker Zero-mass representation of Poincaré group and conformal invariance . . . . . 812--813 George A. Baker, Jr. Best error bounds for Padé approximants to convergent series of Stieltjes . . . 814--820 A. Navon Criteria for Slater Determinants and Quasiparticle Vacuum States . . . . . . 821--826 Colston Chandler and Henry P. Stapp Macroscopic Causality Conditions and Properties of Scattering Amplitudes . . 826--859 S. A. Dunne Application of the Kirillov Theory to the Representations of ${\rm O}(2, 1)$ 860--868 Chungpeng Fan Solution of the Dimer Problem by the $S$-Matrix Method . . . . . . . . . . . 868--871 A. Gamba Lie-like Approach to the Theory of Representations of Finite Groups . . . . 872--874 Alan G. Gibbs Analytical solutions of the Neutron transport equation in arbitrary convex geometry . . . . . . . . . . . . . . . . 875--890 K. F. Casey and J. R. Matthes and C. Yeh Wave Propagation in Sinusoidally Stratified Plasma Media . . . . . . . . 891--897 N. Mukunda Expansion of Lie Groups and Representations of ${\rm SL}(3, C)$ . . 897--911 John E. Molyneux Statistical Properties of Polycrystalline Dielectrics . . . . . . 912--917 Jerzy Lukierski Analytic Representations of Two-Point Functions with Noncanonical Light-Cone Singularities. I . . . . . . . . . . . . 918--924 Michael J. Moravcsik and Wing-Yin Yu Determination of Invariant Amplitudes from Experimental Observables . . . . . 925--928 Robert G. Cawley Hamilton--Dirac Theory of Hamilton's Equations . . . . . . . . . . . . . . . 928--932 Eduard Prugovecki Measure-Theoretical Description of Klein--Gordon Multiparticle States . . . 933--945 Porter W. Johnson Orear Behavior in Potential Scattering. II . . . . . . . . . . . . . . . . . . . 946--953 Richard B. Hoffman Stationary ``Noncanonical'' Solutions of the Einstein Vacuum Field Equations . . 953--956
R. Delbourgo and K. Koller and Ruth M. Williams Degenerate representation functions for ${\rm SO}(\nu)$, ${\rm SU}(\nu)$, and ${\rm SU}(\nu) \otimes {\rm SU}(\nu)$ and their analytical reductions . . . . 957--963 P. Résibois and J. Brocas and G. Decan Comments on Kinetic Equation for Autocorrelation Functions . . . . . . . 964--974 Yutze Chow Gel'fand--Kirillov Conjecture on the Lie Field of an Algebraic Lie Algebra . . . 975--992 M. D. Girardeau Broken Symmetry and Generalized Bose Condensation in Restricted Geometries 993--998 Timothy P. Coffey and G. W. Ford Nonlinear Perturbations . . . . . . . . 998--1003 Martin C. Gutzwiller Phase-Integral Approximation in Momentum Space and the Bound States of an Atom. II . . . . . . . . . . . . . . . . . . . 1004--1020 B. U. Felderhof Dynamics near Equilibrium of Systems Described in Thermal Hartree--Fock Approximation . . . . . . . . . . . . . 1021--1025 R. W. Gibberd Next-Nearest-Neighbor Ising Model . . . 1026--1029 P. C. Peters Geometrization of the Brans--Dicke Scalar Field . . . . . . . . . . . . . . 1029--1031 Tai-ichi Shibuya and Oktay Sinanoglu Expansion of the Density Matrix of an $N$-Fermion System in Terms of the Correlation Densities of Fermion Clusters . . . . . . . . . . . . . . . . 1032--1037 C. Roth Algebraic Matrices for the Configurations $(d + s)^n p$ . . . . . . 1038--1044 L. M. Garrido General Interaction Picture from Action Principle for Mechanics . . . . . . . . 1045--1056 C. Lanczos Quadratic Action Principle of Relativity 1057--1065 M. K. F. Wong Representations of the orthogonal group. II. Polynomial bases for the irreducible representations of the orthogonal group 1065--1068 H. S. Green and T. Triffet Co-diagonal perturbations . . . . . . . 1069--1089 John A. Davies and Peter D. Yedinak Lattice Dynamics of Simple Cubic Lattices with Long-Range Interactions 1090--1097 W. W. Zachary Sufficient Conditions for Stability of the Faddeev Equations . . . . . . . . . 1098--1105 M. L. Glasser Evaluation of ``Kondo'' Integrals . . . 1105--1106 Daniel C. Mattis and Michael Plischke Magnetization of Ising Model in Nonzero Magnetic Field . . . . . . . . . . . . . 1107--1108 C. Itzykson Group Representation in a Continuous Basis: An Example . . . . . . . . . . . 1109--1114
C. N. Yang and C. P. Yang Thermodynamics of a One-Dimensional System of Bosons with Repulsive Delta-Function Interaction . . . . . . . 1115--1122 Barry Simon On the Growth of the Number of Bound States with Increase in Potential Strength . . . . . . . . . . . . . . . . 1123--1126 David M. Rosenbaum Super Hilbert Space and the Quantum-Mechanical Time Operators . . . 1127--1144 J. Peter Vajk Exact Robertson--Walker Cosmological Solutions Containing Relativistic Fluids 1145--1151 J. Kulhanek Equations of the de Broglie Wavefield in the Case of Spherical Symmetry . . . . . 1152--1156 Ioannis M. Besieris Analysis of Electromagnetic Radiation in the Presence of a Uniformly Moving, Uniaxially Anisotropic Medium . . . . . 1156--1167 Richard A. Brandt and O. W. Greenberg Generalized Bose Operators in the Fock Space of a Single Bose Operator . . . . 1168--1176 L. F. Shampine Existence of Solutions for Certain Nonlinear Boundary-Value Problems . . . 1177--1178 Don E. Harrison, Jr. and Warren L. Gay and H. M. Effron Algorithm for the Calculation of the Classical Equations of Motion of an $N$-Body System . . . . . . . . . . . . 1179--1184 Jack P. Hajj and David L. Weaver Wave Equations, Multipole Solutions, and Characteristic Hypersurfaces for Massless Particles . . . . . . . . . . . 1185--1190 J. F. McDonald On the Width Distribution for a Complex System Whose Hamiltonian Contains a Small Interaction That Is Odd under Time-Reversal . . . . . . . . . . . . . 1191--1194 William Kinnersley Type $D$ Vacuum Metrics . . . . . . . . 1195--1203 J. C. Carter and J. J. Coyne ${\rm SU}(6)$ Clebsch--Gordan coefficients for the product $35 \otimes 70$ . . . . . . . . . . . . . . . . . . 1204--1210 R. J. Baxter $F$ Model on a Triangular Lattice . . . 1211--1216 P. C. Peters Covariant Electromagnetic Potentials and Fields in Friedmann Universes . . . . . 1216--1224 Shoon Kyung Kim Involutional Matrices Based on the Representation Theory of GL (2) . . . . 1225--1234 S. C. McDonald Hyperplane Helicity States . . . . . . . 1234--1240 Daniel Iagolnitzer $S$-Matrix and Classical Description of Interactions . . . . . . . . . . . . . . 1241--1264 J. L. Gervais and G. Velo Partial-Wave Expansion in the Crossed Channel for Scattering Amplitudes Invariant under the Galilei Group . . . 1265--1270 N. W. Dalton and D. W. Wood Critical Point Behavior of the Ising Model with Higher-Neighbor Interactions Present . . . . . . . . . . . . . . . . 1271--1302 M. D. Girardeau Proof of the Symmetrization Postulate 1302--1304
V. Arunasalam Transverse Dielectric Tensor for a Free-Electron Gas in a Uniform Magnetic Field . . . . . . . . . . . . . . . . . 1305--1313 Darryl D. Coon Singularities of Conformal-Invariant Scattering Amplitudes . . . . . . . . . 1314--1318 James T. Cushing Exact Static-Model Bootstrap Solutions for Arbitrary $2 \times 2$ Crossing Matrices . . . . . . . . . . . . . . . . 1319--1326 Stanley Jernow and Emil Kazes Asymptotic Fields of the Lee Model . . . 1326--1339 Edgar A. Kraut and Guy W. Lehman Diffraction of Electromagnetic Waves by a Right-Angle Dielectric Wedge . . . . . 1340--1348 Frederick James Kennedy Instantaneous Action-at-a-Distance Formulation of Classical Electrodynamics 1349--1362 Timothy P. Coffey Motion of a Charged Particle in a Spatially Periodic Magnetic Field . . . 1362--1368 Tosiya Taniuti and Nobuo Yajima Perturbation Method for a Nonlinear Wave Modulation. I . . . . . . . . . . . . . 1369--1372 Mark Kac and Colin J. Thompson Critical Behavior of Several Lattice Models with Long-Range Interaction . . . 1373--1386 Victor Korenman On Perturbation Expansions for Real-Time Green's Functions . . . . . . . . . . . 1387--1388 Chanchal K. Majumdar and Dipan K. Ghosh On Next-Nearest-Neighbor Interaction in Linear Chain. I . . . . . . . . . . . . 1388--1398 Chanchal K. Majumdar and Dipan K. Ghosh On Next-Nearest-Neighbor Interaction in Linear Chain. II . . . . . . . . . . . . 1399--1402 Elliott H. Lieb and Colin J. Thompson Phase Transition in Zero Dimensions: A Remark on the Spherical Model . . . . . 1403--1406 Marvin M. Miller Dynamics in the Diagonal Coherent-State Representation . . . . . . . . . . . . . 1406--1411 J. Reece Roth Periodic Small-Amplitude Solutions to Volterra's Problem of Two Conflicting Populations and Their Application to the Plasma Continuity Equations . . . . . . 1412--1414 Barry Simon On the Growth of the Ground-State Binding Energy with Increase in Potential Strength . . . . . . . . . . . 1415--1421 D. Peak and A. Inomata Summation over Feynman Histories in Polar Coordinates . . . . . . . . . . . 1422--1428 William Sollfrey Inverse Functions of the Products of Two Bessel Functions . . . . . . . . . . . . 1429--1430 J. C. Morrison Group Theory and Mixed Atomic Configurations . . . . . . . . . . . . . 1431--1437 Jack Wong On a Condition for Completeness . . . . 1438--1440 James P. Fink Partial Sums of Vacuum Polarization Graphs . . . . . . . . . . . . . . . . . 1440--1441 John B. Jalickee and Arnold J. F. Siegert and David J. Vezzetti On Fluids of Particles with Short-Range Repulsion and Weak Long-Range Attractive Interaction . . . . . . . . . . . . . . 1442--1454 J. B. Krieger Exact Quantization Conditions. II . . . 1455--1458 H. R. Lewis, Jr. and W. B. Riesenfeld An Exact Quantum Theory of the Time-Dependent Harmonic Oscillator and of a Charged Particle in a Time-Dependent Electromagnetic Field . . 1458--1473 Richard Barakat and Elizabeth Baumann $M$th Power of an $N \times N$ Matrix and Its Connection with the Generalized Lucas Polynomials . . . . . . . . . . . 1474--1476 William H. Klink Clebsch--Gordan Coefficients and Functions over Cosets . . . . . . . . . 1477--1490 Y. E. Kim Solution of the Faddeev Equation for Local Potentials by Approximate Product-Integration . . . . . . . . . . 1491--1494 M. Baus Possible Instability of the Cut-Contributions to the Ring Equations 1494--1497 N. Anderson and A. M. Arthurs and P. D. Robinson Bounds Associated with Integral Equations of Kirkwood--Riseman Type . . 1498--1500 Luis Bel Schwarzschild Singularity . . . . . . . 1501--1503 Elliot P. Belasco and Hans C. Ohanian Initial Conditions in General Relativity: Lapse and Shift Formulation 1503--1507 Donald H. Kobe Single-Particle Condensate and Pair-Correlation Theory of Inhomogeneous Boson Systems . . . . . . . . . . . . . 1507--1517 Vittorio Berzi and Vittorio Gorini Reciprocity Principle and the Lorentz Transformations . . . . . . . . . . . . 1518--1524 Paul Otterson Equal-Time Pseudolimits of Current Commutators and Schwinger Terms . . . . 1525--1530 R. G. J. Mills and C. A. Hurst Generalized Triangular Ising Lattice . . 1531--1540 Joseph L. Strecker One-Dimensional Phase Transition . . . . 1541--1554
C. F. Hayes Quantization of the Generalized Hamiltonian . . . . . . . . . . . . . . 1555--1558 Robert B. Griffiths Rigorous Results for Ising Ferromagnets of Arbitrary Spin . . . . . . . . . . . 1559--1565 Albert R. Exton and Ezra T. Newman and Roger Penrose Conserved Quantities in the Einstein--Maxwell Theory . . . . . . . . 1566--1570 K. T. Hecht and Sing Chin Pang On the Wigner Supermultiplet Scheme . . 1571--1616 Daniel J. Amit On the Renormalization of the Susceptibility of a Fermi Liquid . . . . 1617--1620 L. de la Peña-Auerbach New Formulation of Stochastic Theory and Quantum Mechanics . . . . . . . . . . . 1620--1630 R. C. Whitten Potentials for Three-Body Systems . . . 1631--1634 Mikael Ciftan On the combinatorial structure of state vectors in ${\rm U}(n)$. II. The generalization of hypergeometric functions on ${\rm U}(n)$ states . . . . 1635--1646 George A. Baker, Jr. and Joseph Kahane Critical-point singularities of the perturbation series for the ground state of a many-Fermion system . . . . . . . . 1647--1660 John R. Klauder and L. Streit Properties of ``Quadratic'' Canonical Commutation Relation Representations . . 1661--1669 F. L. Cook and J. W. Jayne Linear Physical Chains with Sturm--Liouville Characteristic Polynomials . . . . . . . . . . . . . . 1670--1680 Gerhard C. Hegerfeldt Kernel Integral Formulas for the Canonical Commutation Relations of Quantum Fields. I. Representations with Cyclic Field . . . . . . . . . . . . . . 1681--1698 Moshe Carmeli Group Analysis of Maxwell's Equations 1699--1703 T. S. Santhanam Generating Functions of Classical Groups and Evaluation of Partition Functions 1704--1710 Wayne J. Holman Representation theory of ${\rm SP}(4)$ and ${\rm SO}(5)$ . . . . . . . . . . . 1710--1717 R. Pellicer and R. J. Torrence Nonlinear Electrodynamics and General Relativity . . . . . . . . . . . . . . . 1718--1723 Michael P. Ryan, Jr. General Form of the Einstein Equations for a Bianchi Type IX Universe . . . . . 1724--1728 Timothy H. Boyer Concerning the Zeros of Some Functions Related to Bessel Functions . . . . . . 1729--1744 David C. Robinson Conserved Quantities of Newman and Penrose . . . . . . . . . . . . . . . . 1745--1753 G. M. Bell One-Dimensional Bonded Fluids . . . . . 1753--1760 Mitja Rosina and Jerome K. Percus and Louis J. Kijewski and Claude Garrod Reduced Density Matrices of Energy Eigenstates . . . . . . . . . . . . . . 1761--1763 G. V. Ramanathan and G. Sandri Model for the Derivation of Kinetic Theory . . . . . . . . . . . . . . . . . 1763--1773 D. J. Rowe Properties of Overcomplete and Nonorthogonal Basis Vectors . . . . . . 1774--1777 P. Pajas Degenerate representations of the sympletic groups. II. The noncompact group ${\rm Sp}(p,q)$ . . . . . . . . . 1777--1788 John R. Gabriel New Methods for Reduction of Group Representations. III . . . . . . . . . . 1789--1795 Edward Y. Harper Diffraction of Plane Acoustic Waves and Pulses as a Singular Perturbation Problem . . . . . . . . . . . . . . . . 1795--1803 M. Revzen and L. E. H. Trainor Self-Consistent Approximations in Many-Body Systems . . . . . . . . . . . 1804--1808 A. Bassetto and F. Paccanoni Wiener--Hopf Method and Generalized Integral Transforms . . . . . . . . . . 1809--1812
M. Howard Lee Cluster Expansion in a Bose System . . . 1813--1818 Reese T. Prosser Formal Solutions of Inverse Scattering Problems . . . . . . . . . . . . . . . . 1819--1822 John M. Charap and B. M. Minton Two-Variable Expansion of the Scattering Amplitude: An Application of Appell's Generalized Hypergeometric Functions . . 1823--1833 Masamichi Tokizawa On Continuous Eigenvalues in Neutron Thermalization . . . . . . . . . . . . . 1834--1841 G. C. Debney and R. P. Kerr and A. Schild Solutions of the Einstein and Einstein--Maxwell Equations . . . . . . 1842--1854 Claude Garrod and Mitja Rosina Particle-Hole Matrix: Its Connection with the Symmetries and Collective Features of the Ground State . . . . . . 1855--1861 José Canosa Diffusion in Nonlinear Multiplicative Media . . . . . . . . . . . . . . . . . 1862--1868 J. A. de Azcárraga and L. Oliver Observables for Massive Relativistic Particles of Arbitrary Spin . . . . . . 1869--1874 A. K. Common Properties of Generalizations to Padé approximants . . . . . . . . . . . . . . 1875--1880 Jerome K. Percus One More Technique for the Dimer Problem 1881--1884 C. A. Uzes Plane-Symmetric Gauge Field . . . . . . 1885--1888 Wayne J. Holman III Representation theory of ${\rm SO}(4,1)$ and ${\rm E}(3,1)$: an explicit spinor calculus . . . . . . . . . . . . . . . . 1888--1897 Mayer Humi Remarks on Lie-Algebra-Invariant Equations. I . . . . . . . . . . . . . . 1897--1899 Mayer Humi Remarks on Lie-Algebra-Invariant Equations. II . . . . . . . . . . . . . 1900--1902 Douglas Francis Holland Finite Transformations and Basis States of ${\rm SU}(n)$ . . . . . . . . . . . . 1903--1905 Paul B. Bailey and George E. Barr Diffraction by a Slit or Strip . . . . . 1906--1913 M. D. Girardeau Soluble Model of Condensation . . . . . 1914--1920 Hsiao S. Kiang $N$-Representability Theorem for Reduced Density Matrices . . . . . . . . . . . . 1920--1921 S. Solimeno and P. Di Porto and B. Crosignani Quantum Harmonic Oscillator with Time-Dependent Frequency . . . . . . . . 1922--1928 Amnon Katz Alternative Dynamics for Classical Relativistic Particles . . . . . . . . . 1929--1931 J. R. Gabriel New Methods for Reduction of Group Representations. IV . . . . . . . . . . 1932--1934 K. D. Abhyankar and A. L. Fymat Relations between the Elements of the Phase Matrix for Scattering . . . . . . 1935--1938 Naren F. Bali and Darryl D. Coon and Amnon Katz Conformal-Invariant Scattering Amplitude for Spinless Particles . . . . . . . . . 1939--1952 Mark W. Kermode Effective-Range Formula for Two-Body Scattering Coupled to a Closed Secondary Channel . . . . . . . . . . . . . . . . 1953--1956 H. S. Tan and D. K. Cheng On the Uncoupling of Wiener--Hopf Equations for Half-Plane Diffraction Problems in a Gyrotropic Medium . . . . 1957--1963 H. Kschwendt Numerical Solution of Integral Equations Using Legendre Polynomials . . . . . . . 1964--1968 Jouko Mickelsson Representation Functions for ${\rm SU}(3)$ . . . . . . . . . . . . . . . . 1968--1970
Boris Leaf Canonical Transformations and Spectra of Quantum Operators . . . . . . . . . . . 1971--1979 Boris Leaf Canonical Operators for the Simple Harmonic Oscillator . . . . . . . . . . 1980--1987 Melvin N. Miller Bounds for Effective Electrical, Thermal, and Magnetic Properties of Heterogeneous Materials . . . . . . . . 1988--2004 Melvin N. Miller Bounds for Effective Bulk Modulus of Heterogeneous Materials . . . . . . . . 2005--2013 I. T. Todorov and R. P. Zaikov Spectral Representation of the Covariant Two-Point Function and Infinite-Component Fields with Arbitrary Mass Spectrum . . . . . . . . . . . . . 2014--2019 Naruyoshi Asano and Tosiya Taniuti and Nobuo Yajima Perturbation Method for a Nonlinear Wave Modulation. II . . . . . . . . . . . . . 2020--2024 A. J. Bracken and H. A. Cohen On canonical ${\rm SO}(4,1)$ transformations of the Dirac equation 2024--2032 R. T. Sharp and C. S. Lam Internal-Labeling Problem . . . . . . . 2033--2038 L. Leplae and H. Umezawa Boson Formalism in Superconductivity . . 2038--2046 J. D. Finley Short-Range Interactions and Analyticity in Momentum Transfer . . . . . . . . . . 2047--2059 J. D. Finley Possible Characterization of Short-Range Interactions . . . . . . . . . . . . . . 2060--2066 C. L. Hammer and T. A. Weber $V$-Particle Decay in the Lee Model . . 2067--2077 G. Mack and I. Todorov Irreducibility of the Ladder Representations of ${\rm U}(2, 2)$ when Restricted to the Poincaré Subgroup . . . 2078--2085 N. Mukunda Matrices of finite Lorentz transformations in a noncompact basis. I. Discrete series of ${\rm O}(2,1)$ . . 2086--2092 N. Mukunda Matrices of finite Lorentz transformations in a noncompact basis. II. Continuous series of ${\rm O}(2,1)$ 2092--2098 David Chiang Further Note on Two Binomial Coefficient Identities of Rosenbaum . . . . . . . . 2098--2098 Nazakat Ullah On a Generalized Distribution of the Poles of the Unitary Collision Matrix 2099--2103 Debabrata Basu and S. N. Biswas Accidental Degeneracy in the Bethe--Salpeter Equation . . . . . . . . 2104--2113 Platon C. Deliyannis Theory of Observables . . . . . . . . . 2114--2127 William M. Frank Erratum: ``Strong-Coupling Limit in Potential Theory. II'' . . . . . . . . . 2128--2128
D. Radhakrishnan Internal Multiplicity Structure for the Chain ${\rm SU}(n) \supset {\rm SU}(n - 1) \supset \ldots{} \supset {\rm SU}(2)$ 2129--2131 Henri Bacry and Arne Kihlberg Wavefunctions on Homogeneous Spaces . . 2132--2141 Jong H. Choi Treatment of degeneracies in the Schrödinger perturbation theory by partitioning technique . . . . . . . . . 2142--2148 M. J. Cunningham and B. G. Wybourne Quasiparticle Formalism and Atomic Shell Theory . . . . . . . . . . . . . . . . . 2149--2155 Stephen Blaha Character Analysis of ${\rm U}(N)$ and ${\rm SU}(N)$ . . . . . . . . . . . . . 2156--2168 Robert L. Zimmerman Functional Integration and the Generalized Matthews--Salam Equations 2169--2178 C. C. Rousseau and D. P. Saylor Application of Perturbation Theory to Many-Body Systems with Localized Particles . . . . . . . . . . . . . . . 2179--2184 Richard P. McNeil and Richard A. Morrow Physical Regions of Six-Particle Processes . . . . . . . . . . . . . . . 2185--2190 F. Calogero Solution of a Three-Body Problem in One Dimension . . . . . . . . . . . . . . . 2191--2196 F. Calogero Ground State of a One-Dimensional $N$-Body System . . . . . . . . . . . . 2197--2200 O. Shlidor and M. Revzen Self-Consistent Approximations in Many-Body Systems. II . . . . . . . . . 2201--2204 R. B. McQuistan Vacancy Annihilation for One-Dimensional Dumbbell Kinetics . . . . . . . . . . . 2205--2207 Robert E. Kvarda Canonical States in Quantum-Statistical Mechanics . . . . . . . . . . . . . . . 2208--2213 James Glimm and Arthur Jaffe Infinite Renormalization of the Hamiltonian Is Necessary . . . . . . . . 2213--2214 Amnon Katz Relativistic Effects of Strong Binding on Slow Particles . . . . . . . . . . . 2215--2219 S. Pahor and J. K. Shultis Half-Space Multigroup Transport Theory 2220--2226 S. J. Alisauskas and A. P. Jucys Substitution Group and the Stretched Isoscalar Factors for the Group R$_5$ 2227--2233 Reese T. Prosser Spectral Analysis of Classical Central Force Motion . . . . . . . . . . . . . . 2233--2239 Donald Gelman and Larry Spruch Feynman Path Integrals and Scattering Theory . . . . . . . . . . . . . . . . . 2240--2254 D. C. Herbert Kinematic Interaction for the Heisenberg Antiferromagnet at Low Temperature . . . 2255--2263 Priyamvada Sah Statistical Average of Product of Phase Sums Arising in the Study of Disordered Lattices. I . . . . . . . . . . . . . . 2263--2266 Erik W. Aslaksen and John R. Klauder Continuous Representation Theory Using the Affine Group . . . . . . . . . . . . 2267--2275 J.-P. Antoine Dirac formalism and symmetry problems in quantum mechanics. II. Symmetry problems 2276--2290 Robert M. Lewis and Johannes Boersma Uniform Asymptotic Theory of Edge Diffraction . . . . . . . . . . . . . . 2291--2305 D. Gutkowski and A. Scalia Analytic Properties of a Class of Nonlocal Interactions. II . . . . . . . 2306--2318 Anonymous Author Index to Volume 10 . . . . . . . 2319--2329 Anonymous Analytic Subject Index to Volume 10 . . 2330--2343
D. J. Rowe Erratum: ``Properties of Overcomplete and Nonorthogonal Basis Vectors'' . . . 742--742
Melvin N. Miller Erratum: ``Bounds for Effective Bulk Modulus of Heterogeneous Materials'' . . 1057--1057
H. W. Gould Comment on a paper of Chiang . . . . . . 1743--1743
F. Calogero and C. Marchioro A comment on the paper `Lower bounds on the energy eigenvalues of systems containing identical particles' . . . . 139--140
Roger G. Newton Addendum: ``Determination of the amplitude from the differential cross section by unitarity'', [J. Math. Phys. \bf 9, 2050 (1968)] . . . . . . . . . . 1358--1358