Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Contents of Volume 15, Number 5
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On clans of non-negative matrices: Dennison R. Brown; Proc. Amer. Math. Soc. 15 (1964), 671-674; DOI: https://doi.org/10.1090/S0002-9939-1964-0165504-6; PDF

A new type of vector field and invariant differential systems: H. H. Johnson; Proc. Amer. Math. Soc. 15 (1964), 675-678; DOI: https://doi.org/10.1090/S0002-9939-1964-0169182-1; PDF

On $(n-1)$-dimensional factors of $I^{n}$: Jehpill Kim; Proc. Amer. Math. Soc. 15 (1964), 679-680; DOI: https://doi.org/10.1090/S0002-9939-1964-0170333-3; PDF

Homotopical nilpotence of $S^{3}$: Gerald J. Porter; Proc. Amer. Math. Soc. 15 (1964), 681-682; DOI: https://doi.org/10.1090/S0002-9939-1964-0169244-9; PDF

A further extension of Lebesgue’s covering theorem: George M. Rosenstein; Proc. Amer. Math. Soc. 15 (1964), 683-688; DOI: https://doi.org/10.1090/S0002-9939-1964-0170327-8; PDF

On nonexpansive mappings: Michael Edelstein; Proc. Amer. Math. Soc. 15 (1964), 689-695; DOI: https://doi.org/10.1090/S0002-9939-1964-0165498-3; PDF

The annihilator of a knot module: R. H. Crowell; Proc. Amer. Math. Soc. 15 (1964), 696-700; DOI: https://doi.org/10.1090/S0002-9939-1964-0167976-X; PDF

Note on pointwise periodic semigroups: Anne L. Hudson; Proc. Amer. Math. Soc. 15 (1964), 700-702; DOI: https://doi.org/10.1090/S0002-9939-1964-0169219-X; PDF

On fixed points of commuting analytic functions: Allen L. Shields; Proc. Amer. Math. Soc. 15 (1964), 703-706; DOI: https://doi.org/10.1090/S0002-9939-1964-0165508-3; PDF

An ideal class invariant of knots: R. H. Fox and N. Smythe; Proc. Amer. Math. Soc. 15 (1964), 707-709; DOI: https://doi.org/10.1090/S0002-9939-1964-0165516-2; PDF

Some rate invariant sequence transformations: David F. Dawson; Proc. Amer. Math. Soc. 15 (1964), 710-714; DOI: https://doi.org/10.1090/S0002-9939-1964-0166517-0; PDF

Differential and integral inequalities: Raymond M. Redheffer; Proc. Amer. Math. Soc. 15 (1964), 715-716; DOI: https://doi.org/10.1090/S0002-9939-1964-0166317-1; PDF

Mean oscillation over cubes and Hölder continuity: Norman G. Meyers; Proc. Amer. Math. Soc. 15 (1964), 717-721; DOI: https://doi.org/10.1090/S0002-9939-1964-0168712-3; PDF

Phragmén-Lindelöf theorems for second order quasi-linear elliptic partial differential equations: John O. Herzog; Proc. Amer. Math. Soc. 15 (1964), 721-728; DOI: https://doi.org/10.1090/S0002-9939-1964-0168905-5; PDF

Quadratic forms and chain sequences: Robert Seall and Marion Wetzel; Proc. Amer. Math. Soc. 15 (1964), 729-734; DOI: https://doi.org/10.1090/S0002-9939-1964-0166512-1; PDF

On the stabilization of linear systems: C. E. Langenhop; Proc. Amer. Math. Soc. 15 (1964), 735-742; DOI: https://doi.org/10.1090/S0002-9939-1964-0168408-8; PDF

Summation of sequences and summation of series: G. G. Lorentz and K. Zeller; Proc. Amer. Math. Soc. 15 (1964), 743-746; DOI: https://doi.org/10.1090/S0002-9939-1964-0165280-7; PDF

Translation invariant subspaces of finite dimension: P. M. Anselone and J. Korevaar; Proc. Amer. Math. Soc. 15 (1964), 747-752; DOI: https://doi.org/10.1090/S0002-9939-1964-0169048-7; PDF

Extremal polynomials and the zeros of the derivative of a rational function: J. L. Walsh and O. Shisha; Proc. Amer. Math. Soc. 15 (1964), 753-758; DOI: https://doi.org/10.1090/S0002-9939-1964-0167604-3; PDF

Nonlinear differential equations with forcing terms: Fred Brauer; Proc. Amer. Math. Soc. 15 (1964), 758-765; DOI: https://doi.org/10.1090/S0002-9939-1964-0166452-8; PDF

The structure of hyperreducible triangular algebras: John R. Schue; Proc. Amer. Math. Soc. 15 (1964), 766-772; DOI: https://doi.org/10.1090/S0002-9939-1964-0166624-2; PDF

The extension and the lifting properties of Banach spaces: Morisuke Hasumi and G. L. Seever; Proc. Amer. Math. Soc. 15 (1964), 773-775; DOI: https://doi.org/10.1090/S0002-9939-1964-0169022-0; PDF

Geodesics and Lebesgue area: Edward Silverman; Proc. Amer. Math. Soc. 15 (1964), 775-780; DOI: https://doi.org/10.1090/S0002-9939-1964-0166334-1; PDF

Commuting Boolean algebras of projections. II. Boundedness in $Lp$: C. A. McCarthy; Proc. Amer. Math. Soc. 15 (1964), 781-787; DOI: https://doi.org/10.1090/S0002-9939-1964-0173947-X; PDF

A counterexample to a problem of Sz.-Nagy: S. R. Foguel; Proc. Amer. Math. Soc. 15 (1964), 788-790; DOI: https://doi.org/10.1090/S0002-9939-1964-0165362-X; PDF

On Foguel’s answer to Nagy’s question: P. R. Halmos; Proc. Amer. Math. Soc. 15 (1964), 791-793; DOI: https://doi.org/10.1090/S0002-9939-1964-0165363-1; PDF

Ergodic and mixing properties of Chebyshev polynomials: R. L. Adler and T. J. Rivlin; Proc. Amer. Math. Soc. 15 (1964), 794-796; DOI: https://doi.org/10.1090/S0002-9939-1964-0202968-3; PDF

The $k$-norm extension property for Banach spaces: Henry B. Cohen; Proc. Amer. Math. Soc. 15 (1964), 797-802; DOI: https://doi.org/10.1090/S0002-9939-1964-0169023-2; PDF

Cohomology of groups in arbitrary categories: Bodo Pareigis; Proc. Amer. Math. Soc. 15 (1964), 803-809; DOI: https://doi.org/10.1090/S0002-9939-1964-0182653-7; PDF

On the number of irreducible modular representations of a finite group: Irving Reiner; Proc. Amer. Math. Soc. 15 (1964), 810-812; DOI: https://doi.org/10.1090/S0002-9939-1964-0168665-8; PDF

Integral domains which are almost Dedekind: Robert W. Gilmer; Proc. Amer. Math. Soc. 15 (1964), 813-818; DOI: https://doi.org/10.1090/S0002-9939-1964-0166212-8; PDF

A note on perturbation theory for semi-groups of operators: A. Olubummo; Proc. Amer. Math. Soc. 15 (1964), 818-822; DOI: https://doi.org/10.1090/S0002-9939-1964-0169065-7; PDF

Nonsolvable IC groups: S. Bauman; Proc. Amer. Math. Soc. 15 (1964), 823-827; DOI: https://doi.org/10.1090/S0002-9939-1964-0166257-8; PDF

Groups of order $1$: Elvira Strasser Rapaport; Proc. Amer. Math. Soc. 15 (1964), 828-833; DOI: https://doi.org/10.1090/S0002-9939-1964-0167516-5; PDF

Satellites of half exact functors, a correction: Harley Flanders; Proc. Amer. Math. Soc. 15 (1964), 834-837; DOI: https://doi.org/10.1090/S0002-9939-1964-0173694-4; PDF

On the group generated by a free semigroup: K. I. Appel and F. M. Djorup; Proc. Amer. Math. Soc. 15 (1964), 838-840; DOI: https://doi.org/10.1090/S0002-9939-1964-0168682-8; PDF

Density and uniform density: Francis P. Callahan; Proc. Amer. Math. Soc. 15 (1964), 841-843; DOI: https://doi.org/10.1090/S0002-9939-1964-0166158-5; PDF

Linear systems of real quadratic forms: Eugenio Calabi; Proc. Amer. Math. Soc. 15 (1964), 844-846; DOI: https://doi.org/10.1090/S0002-9939-1964-0166203-7; PDF