Bulletin of the American Mathematical Society

The Bulletin publishes expository articles on contemporary mathematical research, written in a way that gives insight to mathematicians who may not be experts in the particular topic. The Bulletin also publishes reviews of selected books in mathematics and short articles in the Mathematical Perspectives section, both by invitation only.

ISSN 1088-9485 (online) ISSN 0273-0979 (print)

The 2020 MCQ for Bulletin of the American Mathematical Society is 0.84.

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Contents of Volume 79, Number 5
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Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 79, Number 5 (1973): PDF; Bull. Amer. Math. Soc. 79 (1973)

Miscellaneous back pages, Bull. Amer. Math. Soc., Volume 79, Number 5 (1973): PDF; Bull. Amer. Math. Soc. 79 (1973)

Statistical geometry: A tool for pattern analysis: Ulf Grenander PDF; Bull. Amer. Math. Soc. 79 (1973), 829-856

Noncommutative localization: Joachim Lambek PDF; Bull. Amer. Math. Soc. 79 (1973), 857-872

Elections to membership: PDF; Bull. Amer. Math. Soc. 79 (1973), 891-896

Report of the treasurer: W. T. Martin PDF; Bull. Amer. Math. Soc. 79 (1973), 897-899

James Waddell Alexander 1888-1971: Leon W. Cohen PDF; Bull. Amer. Math. Soc. 79 (1973), 900-903

Classifying relative equilibria. I: Julian I. Palmore PDF; Bull. Amer. Math. Soc. 79 (1973), 904-908

Splitting obstructions for Hermitian forms and manifolds with $Z_2 \subset \pi _1$: Sylvain E. Cappell PDF; Bull. Amer. Math. Soc. 79 (1973), 909-913

Dirichlet finite biharmonic functions on the Poincaré $N$-ball: D. Hada, L. Sario and C. Wang PDF; Bull. Amer. Math. Soc. 79 (1973), 914-915

Global definability theory in $L_{\omega _1 \omega }$: M. Makkai PDF; Bull. Amer. Math. Soc. 79 (1973), 916-921

Quasiharmonic functions on the Poincaré $N$-ball: Leo Sario and Cecilia Wang PDF; Bull. Amer. Math. Soc. 79 (1973), 922-923

An equivariant version of Gromov’s theorem: Edward Bierstone PDF; Bull. Amer. Math. Soc. 79 (1973), 924-929

An integral related to numerical integration: Seymour Haber and Oved Shisha PDF; Bull. Amer. Math. Soc. 79 (1973), 930-932

Estimates for weak-type operators: Colin Bennett PDF; Bull. Amer. Math. Soc. 79 (1973), 933-935

The comprehensive factorization of a functor: Ross Street and R. F. C. Walters PDF; Bull. Amer. Math. Soc. 79 (1973), 936-941

Branched coverings of graph imbeddings: Jonathan L. Gross and Seth R. Alpert PDF; Bull. Amer. Math. Soc. 79 (1973), 942-945

A smash product for spectra: Harold M. Hastings PDF; Bull. Amer. Math. Soc. 79 (1973), 946-951

Classification of simple knots by Blanchfield duality: C. Kearton PDF; Bull. Amer. Math. Soc. 79 (1973), 952-955

The factorization of an integral matrix into a product of two integral symmetric matrices: Olga Taussky PDF; Bull. Amer. Math. Soc. 79 (1973), 956-958

Extremal positive splines with applications to interpolation and approximation by generalized convex functions: Hermann G. Burchard PDF; Bull. Amer. Math. Soc. 79 (1973), 959-963

Eigenfunction expansions for nondensely defined operators generated by symmetric ordinary differential expressions: Earl A. Coddington PDF; Bull. Amer. Math. Soc. 79 (1973), 964-968

Energy decays locally even if total energy grows algebraically with time: Clifford O. Bloom and Nicholas D. Kazarinoff PDF; Bull. Amer. Math. Soc. 79 (1973), 969-972

Extensions of $C^*$-algebras, operators with compact self-commutators, and $K$-homology: L. G. Brown, R. G. Douglas and P. A. Fillmore PDF; Bull. Amer. Math. Soc. 79 (1973), 973-978

The particle search in a quantum field model: James Glimm and Arthur Jaffe PDF; Bull. Amer. Math. Soc. 79 (1973), 979-980

Topological invariance of certain combinatorial characteristic classes: Lowell E. Jones PDF; Bull. Amer. Math. Soc. 79 (1973), 981-983

The normality of a product with a compact factor: Mary Ellen Rudin PDF; Bull. Amer. Math. Soc. 79 (1973), 984-985

Perturbation of semigroups on locally convex spaces: Benjamin Dembart PDF; Bull. Amer. Math. Soc. 79 (1973), 986-991

Rational approximation to certain entire functions in $\left [ {0, + \infty } \right )$: P. Erdös and A. R. Reddy PDF; Bull. Amer. Math. Soc. 79 (1973), 992-993

Exact colimits: John Isbell and Barry Mitchell PDF; Bull. Amer. Math. Soc. 79 (1973), 994-996

Linearization stability of the Einstein equations: Arthur E. Fischer and Jerrold E. Marsden PDF; Bull. Amer. Math. Soc. 79 (1973), 997-1003

Duality in crossed products and von Neumann algebras of type ${\text {III}}$: Masamichi Takesaki PDF; Bull. Amer. Math. Soc. 79 (1973), 1004-1005

The homeomorphism problem for $S^3$: Joan S. Birman and Hugh M. Hilden PDF; Bull. Amer. Math. Soc. 79 (1973), 1006-1010

Automorphism groups of partial orders: Elliott H. Bird PDF; Bull. Amer. Math. Soc. 79 (1973), 1011-1015

Commutativity of intertwining operators: A. W. Knapp PDF; Bull. Amer. Math. Soc. 79 (1973), 1016-1018

A series characterization of subspaces of $L_p \left ( \mu \right )$ spaces: Nigel J. Kalton and William H. Ruckle PDF; Bull. Amer. Math. Soc. 79 (1973), 1019-1022

A theory of proper shape for locally compact metric spaces: B. J. Ball and R. B. Sher PDF; Bull. Amer. Math. Soc. 79 (1973), 1023-1026

An application of Möbius inversion to a problem in topological dynamics: Nelson G. Markley and William N. Anderson Jr. PDF; Bull. Amer. Math. Soc. 79 (1973), 1027-1029

A simplified approach to the compactification of mappings: F. A. Delahan and G. E. Strecker PDF; Bull. Amer. Math. Soc. 79 (1973), 1030-1032

Fundamental groups, nilmanifolds and iterated integrals: Kuo-Tsai Chen PDF; Bull. Amer. Math. Soc. 79 (1973), 1033-1035

Topological Schur lemma and related results: Theodore Chang and Tor Skjelbred PDF; Bull. Amer. Math. Soc. 79 (1973), 1036-1038

Functions on multipliers of $p$-Fourier algebras: Michael J. Fisher PDF; Bull. Amer. Math. Soc. 79 (1973), 1039-1042

An ill posed problem for a hyperbolic equation near a corner: Stanley Osher PDF; Bull. Amer. Math. Soc. 79 (1973), 1043-1044

Holomorphic Fock representations and partial differential equations on countably Hilbert spaces: Thomas A. W. Dwyer III PDF; Bull. Amer. Math. Soc. 79 (1973), 1045-1050

Some topological approaches to the four color problem: Steve Fisk PDF; Bull. Amer. Math. Soc. 79 (1973), 1051-1055

Smooth $S^1$ actions and bilinear forms: Ted Petrie PDF; Bull. Amer. Math. Soc. 79 (1973), 1056-1059

Sectional curvature in piecewise linear manifolds: David A. Stone PDF; Bull. Amer. Math. Soc. 79 (1973), 1060-1063

On Fourier coefficients of Eisenstein series: Liang-Chi Tsao PDF; Bull. Amer. Math. Soc. 79 (1973), 1064-1068

Book Reviews
Book reviews do not contain an abstract. You may download each review in this issue using the links below.

Free rings and their relations, by P. M. Cohn.: Reviewer: A. Czerniakiewicz; Review information PDF; Bull. Amer. Math. Soc. 79 (1973), 873-878

Stabilité Structurelle et Morphogénèse, Essai d'une Théorie Générale des Modèles, by René Thom.: Reviewer: John Guckenheimer; Review information PDF; Bull. Amer. Math. Soc. 79 (1973), 878-890