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 81, Number 6
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Miscellaneous back pages, Bull. Amer. Math. Soc., Volume 81, Number 6 (1975): PDF; Bull. Amer. Math. Soc. 81 (1975)

Miscellaneous front pages, Bull. Amer. Math. Soc., Volume 81, Number 6 (1975): PDF; Bull. Amer. Math. Soc. 81 (1975)

The analytic theory of algebraic numbers: H. M. Stark PDF; Bull. Amer. Math. Soc. 81 (1975), 961-972

The decision problem for recursively enumerable degrees: J. R. Shoenfield PDF; Bull. Amer. Math. Soc. 81 (1975), 973-977

Applications of Banach ideals of operators: J. R. Retherford PDF; Bull. Amer. Math. Soc. 81 (1975), 978-1012

A priori estimates, geometric effects and asymptotic behavior: Fritz John PDF; Bull. Amer. Math. Soc. 81 (1975), 1013-1023

Elections to membership: PDF; Bull. Amer. Math. Soc. 81 (1975), 1050-1052

The March meeting in Mobile: O. G. Harrold PDF; Bull. Amer. Math. Soc. 81 (1975), 1053

The March meeting in New York: Walter H. Gottschalk PDF; Bull. Amer. Math. Soc. 81 (1975), 1054

The April meeting in St. Louis: Everett Pitcher and Paul T. Bateman PDF; Bull. Amer. Math. Soc. 81 (1975), 1055-1059

The June meeting in Pullman: Kenneth A. Ross PDF; Bull. Amer. Math. Soc. 81 (1975), 1060

The April meeting in Monterey: Kenneth A. Ross PDF; Bull. Amer. Math. Soc. 81 (1975), 1060

Lie groups with completely continuous representations: L. Pukanszky PDF; Bull. Amer. Math. Soc. 81 (1975), 1061-1063

Absolute continuity and weak compactness: Constantin Niculescu PDF; Bull. Amer. Math. Soc. 81 (1975), 1064-1066

On the classification of taut submanifolds: Michael Freedman PDF; Bull. Amer. Math. Soc. 81 (1975), 1067-1068

On holomorphic representations of symplectic groups: Tuong Ton-That PDF; Bull. Amer. Math. Soc. 81 (1975), 1069-1072

Novikov’s ${\text {Ext}}^2$ and the nontriviality of the gamma family: Haynes R. Miller, Douglas C. Ravenel and W. Stephen Wilson PDF; Bull. Amer. Math. Soc. 81 (1975), 1073-1075

The approach of solutions of nonlinear diffusion equations to travelling wave solutions: Paul C. Fife and J. B. McLeod PDF; Bull. Amer. Math. Soc. 81 (1975), 1076-1078

Some invariants of generic immersions and their geometric applications: V. Poénaru PDF; Bull. Amer. Math. Soc. 81 (1975), 1079-1082

Joint spectrum in the Calkin algebra: A. T. Dash PDF; Bull. Amer. Math. Soc. 81 (1975), 1083-1085

Zeta functions and their asymptotic expansions for compact locally symmetric spaces of negative curvature: Robert S. Cahn and Joseph A. Wolf PDF; Bull. Amer. Math. Soc. 81 (1975), 1086

Rotundity, orthogonality, and characterizations of inner product spaces: J. R. Holub PDF; Bull. Amer. Math. Soc. 81 (1975), 1087-1089

Classification of automorphisms of hyperfinite factors of type ${\text {II}}_1$ and ${\text {II}}_\infty$ and application to type ${\text {III}}$ factors: A. Connes PDF; Bull. Amer. Math. Soc. 81 (1975), 1090-1092

The structure of singularities in area-related variational problems with constraints: Jean E. Taylor PDF; Bull. Amer. Math. Soc. 81 (1975), 1093-1095

An $L^1$-space for Boolean algebras and semireflexivity of $L^\infty \left ({{X},\Sigma ,\mu }\right )$: Dennis Sentilles PDF; Bull. Amer. Math. Soc. 81 (1975), 1096-1098

Adjoint semigroup theory for a Volterra integrodifferential system: J. A. Burns and T. L. Herdman PDF; Bull. Amer. Math. Soc. 81 (1975), 1099-1102

The antipode of a finite-dimensional Hopf algebra over a field has finite order: David E. Radford PDF; Bull. Amer. Math. Soc. 81 (1975), 1103-1105

Duality for crossed products of von Neumann algebras by locally compact groups: Yoshiomi Nakagami PDF; Bull. Amer. Math. Soc. 81 (1975), 1106-1108

Hyperbolic equations and group representations: Leon Ehrenpreis PDF; Bull. Amer. Math. Soc. 81 (1975), 1109-1111

Approximate functional complexity: R. C. Buck PDF; Bull. Amer. Math. Soc. 81 (1975), 1112-1114

The $Q$-matrix problem for Markov chains: David Williams PDF; Bull. Amer. Math. Soc. 81 (1975), 1115-1118

Operator algebras and algebraic $K$-theory: Lawrence G. Brown PDF; Bull. Amer. Math. Soc. 81 (1975), 1119-1121

Quadratic forms and similarities: Daniel B. Shapiro PDF; Bull. Amer. Math. Soc. 81 (1975), 1122-1124

Stability of equivariant smooth maps: V. Poénaru PDF; Bull. Amer. Math. Soc. 81 (1975), 1125-1126

A computing method for bifurcation boughs of nonlinear eigenvalue problems: René Lozi PDF; Bull. Amer. Math. Soc. 81 (1975), 1127-1129

Invariance principle for modified wave operators: Colston Chandler and A. G. Gibson PDF; Bull. Amer. Math. Soc. 81 (1975), 1130-1132

The holomorphic Lefschetz formula: Domingo Toledo and Yue Lin L. Tong PDF; Bull. Amer. Math. Soc. 81 (1975), 1133-1135

Addendum, The $q$-regularity of lattice point paths in $R^n$: Jerome L. Paul PDF; Bull. Amer. Math. Soc. 81 (1975), 1136

Bylaws of the American Mathematical Society: PDF; Bull. Amer. Math. Soc. 81 (1975), 1137-1143

Endowment fund and prize funds: PDF; Bull. Amer. Math. Soc. 81 (1975), 1144-1149

Officers and lecturers of the Society: PDF; Bull. Amer. Math. Soc. 81 (1975), 1150-1151

Index to volume 81: PDF; Bull. Amer. Math. Soc. 81 (1975), 1153-1162

Statement of owenership, management and circulation: PDF; Bull. Amer. Math. Soc. 81 (1975), 1162

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

Stability of solutions of differential equations in Banach space, by Ju. L. Daleckii and M. G. Kreĭn.: Reviewer: Juan Jorge Schäffer; Review information PDF; Bull. Amer. Math. Soc. 81 (1975), 1024-1028

Indefinite inner product spaces, by János Bognár.: Reviewer: J. William Helton; Review information PDF; Bull. Amer. Math. Soc. 81 (1975), 1028-1030

Elementary induction on abstract structures, by Yiannis Nicholas Moschovakis.: Reviewer: K. Jon Barwise; Review information PDF; Bull. Amer. Math. Soc. 81 (1975), 1031-1035

Constructive methods for elliptic equations, by R. P. Gilbert.: Reviewer: A. Erdélyi; Review information PDF; Bull. Amer. Math. Soc. 81 (1975), 1036-1037

The structure of fields, by David J. Winter.: Reviewer: Barbara L. Osofsky; Review information PDF; Bull. Amer. Math. Soc. 81 (1975), 1037-1041

General systems theory: Mathematical foundations, by M. D. Mesarovic and Y. Takahara.: Reviewer: Albert A. Mullin; Review information PDF; Bull. Amer. Math. Soc. 81 (1975), 1042-1044

An introduction to invariant imbedding, by R. Bellman and G. M. Wing.: Reviewer: George C. Papanicolaou; Review information PDF; Bull. Amer. Math. Soc. 81 (1975), 1044-1045

Cohomology theories for compact abelian groups, by K. H. Hofmann and P. S. Mostert.: Reviewer: Joseph L. Taylor; Review information PDF; Bull. Amer. Math. Soc. 81 (1975), 1045-1049