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 20, Number 2
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A Tauberian relative of the Landau-Ingham Tauberian theorem: S. L. Segal; Proc. Amer. Math. Soc. 20 (1969), 287-294; DOI: https://doi.org/10.1090/S0002-9939-1969-0236559-X; PDF

On the local existence of solutions of certain functional-differential equations: Robert J. Oberg; Proc. Amer. Math. Soc. 20 (1969), 295-302; DOI: https://doi.org/10.1090/S0002-9939-1969-0234094-6; PDF

A nonlinear steady state temperature problem for a semi-infinite slab.: Dang Dinh Ang; Proc. Amer. Math. Soc. 20 (1969), 303-308; DOI: https://doi.org/10.1090/S0002-9939-1969-0239280-7; PDF

The asymptotic behavior of solutions of linear third order differential equations: Y. P. Singh; Proc. Amer. Math. Soc. 20 (1969), 309-314; DOI: https://doi.org/10.1090/S0002-9939-1969-0237885-0; PDF

Derivations of the Lie algebra of polynomials under Poisson bracket.: L. S. Wollenberg; Proc. Amer. Math. Soc. 20 (1969), 315-320; DOI: https://doi.org/10.1090/S0002-9939-1969-0233938-1; PDF

Concerning polynomials on the unit interval: Gilbert Labelle; Proc. Amer. Math. Soc. 20 (1969), 321-326; DOI: https://doi.org/10.1090/S0002-9939-1969-0236568-0; PDF

Complex polynomial interpolation to continuous boundary data: Maynard Thompson; Proc. Amer. Math. Soc. 20 (1969), 327-332; DOI: https://doi.org/10.1090/S0002-9939-1969-0239100-0; PDF

An extremal harmonic function: Kenneth M. Larsen; Proc. Amer. Math. Soc. 20 (1969), 333-336; DOI: https://doi.org/10.1090/S0002-9939-1969-0234385-9; PDF

Correction to my paper: “The Morse index theorem“: Howard Osborn; Proc. Amer. Math. Soc. 20 (1969), 337-338; DOI: https://doi.org/10.1090/S0002-9939-1969-0234496-8; PDF

Remarks on the Morse index theorem: William T. Reid; Proc. Amer. Math. Soc. 20 (1969), 339-341; DOI: https://doi.org/10.1090/S0002-9939-1969-0234497-X; PDF

On the summability of the differentiated Fourier series II: Daniel Waterman; Proc. Amer. Math. Soc. 20 (1969), 342-344; DOI: https://doi.org/10.1090/S0002-9939-1969-0239352-7; PDF

A note on the local coefficient problem: Roger N. Pederson; Proc. Amer. Math. Soc. 20 (1969), 345-347; DOI: https://doi.org/10.1090/S0002-9939-1969-0236371-1; PDF

Properties of Lusin sets with applications to probability: R. B. Darst; Proc. Amer. Math. Soc. 20 (1969), 348-350; DOI: https://doi.org/10.1090/S0002-9939-1969-0237730-3; PDF

Note on a theorem of C. T. Taam concerning bounded solutions of nonlinear differential equations: John E. Lagnese; Proc. Amer. Math. Soc. 20 (1969), 351-356; DOI: https://doi.org/10.1090/S0002-9939-1969-0234099-5; PDF

An inequality of a Stekloff eigenvalue by the method of defect: J. R. Kuttler and V. G. Sigillito; Proc. Amer. Math. Soc. 20 (1969), 357-360; DOI: https://doi.org/10.1090/S0002-9939-1969-0235323-5; PDF

Generalizable Kleene logics: Atwell R. Turquette; Proc. Amer. Math. Soc. 20 (1969), 361-367; DOI: https://doi.org/10.1090/S0002-9939-1969-0239952-4; PDF

Commuting projections with assigned ranges: M. Takaguchi; Proc. Amer. Math. Soc. 20 (1969), 368-374; DOI: https://doi.org/10.1090/S0002-9939-1969-0235411-3; PDF

Some Whitehead products on odd spheres: Maurice Gilmore; Proc. Amer. Math. Soc. 20 (1969), 375-377; DOI: https://doi.org/10.1090/S0002-9939-1969-0234460-9; PDF

Remark on the purity of the branch locus: Ernst Kunz; Proc. Amer. Math. Soc. 20 (1969), 378-380; DOI: https://doi.org/10.1090/S0002-9939-1969-0233812-0; PDF

Monotone $n$-frames are tame: Richard Gillette and James Van Buskirk; Proc. Amer. Math. Soc. 20 (1969), 381-382; DOI: https://doi.org/10.1090/S0002-9939-1969-0235541-6; PDF

Note on the generalized Whitney sum: Robert E. Mosher; Proc. Amer. Math. Soc. 20 (1969), 383-384; DOI: https://doi.org/10.1090/S0002-9939-1969-0246296-3; PDF

Inclusion theorems for generalized Hausdorff summability methods: Lynn C. Kurtz; Proc. Amer. Math. Soc. 20 (1969), 385-387; DOI: https://doi.org/10.1090/S0002-9939-1969-0235346-6; PDF

A remark on class numbers of number field extensions: John Smith; Proc. Amer. Math. Soc. 20 (1969), 388-390; DOI: https://doi.org/10.1090/S0002-9939-1969-0242789-3; PDF

On the Reinhardt-Mahler theorem: Rajinder Jeet Hans; Proc. Amer. Math. Soc. 20 (1969), 391-396; DOI: https://doi.org/10.1090/S0002-9939-1969-0238766-9; PDF

On the closed graph theorem: Alan McIntosh; Proc. Amer. Math. Soc. 20 (1969), 397-404; DOI: https://doi.org/10.1090/S0002-9939-1969-0234246-5; PDF

On the Galois cohomology of the ring of integers in an algebraic number field: M. P. Lee and M. L. Madan; Proc. Amer. Math. Soc. 20 (1969), 405-408; DOI: https://doi.org/10.1090/S0002-9939-1969-0236143-8; PDF

Two identities for lattices: R. Padmanabhan; Proc. Amer. Math. Soc. 20 (1969), 409-412; DOI: https://doi.org/10.1090/S0002-9939-1969-0233742-4; PDF

The localization of the strict topology via bounded sets: J. R. Dorroh; Proc. Amer. Math. Soc. 20 (1969), 413-414; DOI: https://doi.org/10.1090/S0002-9939-1969-0235412-5; PDF

Characterizations for approximately normal algebras: Donald R. Chalice; Proc. Amer. Math. Soc. 20 (1969), 415-419; DOI: https://doi.org/10.1090/S0002-9939-1969-0234286-6; PDF

Separate continuity and measurability: B. E. Johnson; Proc. Amer. Math. Soc. 20 (1969), 420-422; DOI: https://doi.org/10.1090/S0002-9939-1969-0236345-0; PDF

A norm on separable noncommutative Jordan algebras of degree $2$: J. Marshall Osborn; Proc. Amer. Math. Soc. 20 (1969), 423-425; DOI: https://doi.org/10.1090/S0002-9939-1969-0241489-3; PDF

A classification of almost full formal groups: William C. Waterhouse; Proc. Amer. Math. Soc. 20 (1969), 426-428; DOI: https://doi.org/10.1090/S0002-9939-1969-0236189-X; PDF

On the $L_{2}$ space of a Banach limit: S. P. Lloyd; Proc. Amer. Math. Soc. 20 (1969), 429-433; DOI: https://doi.org/10.1090/S0002-9939-1969-0240608-2; PDF

Remarks on the reduction theory of von Neumann algebras: Masamichi Takesaki; Proc. Amer. Math. Soc. 20 (1969), 434-438; DOI: https://doi.org/10.1090/S0002-9939-1969-0239434-X; PDF

On a minimality property of complexes: Joseph Zaks; Proc. Amer. Math. Soc. 20 (1969), 439-444; DOI: https://doi.org/10.1090/S0002-9939-1969-0239589-7; PDF

On finite decompositions of $E^{2n-1}$: Joseph Zaks; Proc. Amer. Math. Soc. 20 (1969), 445-449; DOI: https://doi.org/10.1090/S0002-9939-1969-0235543-X; PDF

On the $H_{p}$-problem for finite $p$-groups: Guy T. Hogan and Wolfgang P. Kappe; Proc. Amer. Math. Soc. 20 (1969), 450-454; DOI: https://doi.org/10.1090/S0002-9939-1969-0238952-8; PDF

On the continuity of certain intertwining operators, centralizers, and positive linear functionals: Marc A. Rieffel; Proc. Amer. Math. Soc. 20 (1969), 455-457; DOI: https://doi.org/10.1090/S0002-9939-1969-0236705-8; PDF

On nonlinear contractions: D. W. Boyd and J. S. W. Wong; Proc. Amer. Math. Soc. 20 (1969), 458-464; DOI: https://doi.org/10.1090/S0002-9939-1969-0239559-9; PDF

Closed graphs and closed projections: C. T. Scarborough; Proc. Amer. Math. Soc. 20 (1969), 465-470; DOI: https://doi.org/10.1090/S0002-9939-1969-0250275-X; PDF

A generalization of quasi-Frobenius rings: Hiroyuki Tachikawa; Proc. Amer. Math. Soc. 20 (1969), 471-476; DOI: https://doi.org/10.1090/S0002-9939-1969-0237568-7; PDF

Isotopisms of Jordan algebras: Holger P. Petersson; Proc. Amer. Math. Soc. 20 (1969), 477-482; DOI: https://doi.org/10.1090/S0002-9939-1969-0252464-7; PDF

Equicontinuity and $n$-length: Edward Silverman; Proc. Amer. Math. Soc. 20 (1969), 483-486; DOI: https://doi.org/10.1090/S0002-9939-1969-0237719-4; PDF

On approximate and Peano derivatives: Clifford E. Weil; Proc. Amer. Math. Soc. 20 (1969), 487-490; DOI: https://doi.org/10.1090/S0002-9939-1969-0233944-7; PDF

A generator for a semigroup of nonlinear transformations: Dorothy Rutledge; Proc. Amer. Math. Soc. 20 (1969), 491-498; DOI: https://doi.org/10.1090/S0002-9939-1969-0239464-8; PDF

Two theorems of Euler and a general partition theorem: George E. Andrews; Proc. Amer. Math. Soc. 20 (1969), 499-502; DOI: https://doi.org/10.1090/S0002-9939-1969-0233791-6; PDF

A note on commutative semigroups: Robert Schwabauer; Proc. Amer. Math. Soc. 20 (1969), 503-504; DOI: https://doi.org/10.1090/S0002-9939-1969-0233912-5; PDF

On inversions in normed linear spaces: W. J. Stiles; Proc. Amer. Math. Soc. 20 (1969), 505-508; DOI: https://doi.org/10.1090/S0002-9939-1969-0235409-5; PDF

A short proof of a theorem of L. Janos: Michael Edelstein; Proc. Amer. Math. Soc. 20 (1969), 509-510; DOI: https://doi.org/10.1090/S0002-9939-1969-0234426-9; PDF

Notes on subdirect products of semigroups and rectangular bands: J. L. Chrislock and T. Tamura; Proc. Amer. Math. Soc. 20 (1969), 511-514; DOI: https://doi.org/10.1090/S0002-9939-1969-0236290-0; PDF

On the semisimplicity of modular group algebras: D. S. Passman; Proc. Amer. Math. Soc. 20 (1969), 515-519; DOI: https://doi.org/10.1090/S0002-9939-1969-0236279-1; PDF

An extension of Banach’s mapping theorem: Richard A. Brualdi; Proc. Amer. Math. Soc. 20 (1969), 520-526; DOI: https://doi.org/10.1090/S0002-9939-1969-0236029-9; PDF

A locally connected, complete Moore space on which every real-valued continuous function is constant: J. N. Younglove; Proc. Amer. Math. Soc. 20 (1969), 527-530; DOI: https://doi.org/10.1090/S0002-9939-1969-0248741-6; PDF

The Stone-Čech compactification of an irreducibly connected space: Glenn L. Pfeifer; Proc. Amer. Math. Soc. 20 (1969), 531-532; DOI: https://doi.org/10.1090/S0002-9939-1969-0235519-2; PDF

Sheaf cohomology of locally compact totally disconnected spaces: Roger Wiegand; Proc. Amer. Math. Soc. 20 (1969), 533-538; DOI: https://doi.org/10.1090/S0002-9939-1969-0253324-8; PDF

Deformation retracts and weak deformation retracts of noncompact manifolds: Gudrun Kalmbach; Proc. Amer. Math. Soc. 20 (1969), 539-544; DOI: https://doi.org/10.1090/S0002-9939-1969-0236946-X; PDF

A theorem on a mapping from a sphere to the circle and the simultaneous diagonalization of two hermitian matrices: Yik-hoi Au-yeung; Proc. Amer. Math. Soc. 20 (1969), 545-548; DOI: https://doi.org/10.1090/S0002-9939-1969-0234968-6; PDF

A remark on a comparison theorem of Swanson: Kurt Kreith; Proc. Amer. Math. Soc. 20 (1969), 549-550; DOI: https://doi.org/10.1090/S0002-9939-1969-0236503-5; PDF

Computability by normal algorithms: R. M. Baer; Proc. Amer. Math. Soc. 20 (1969), 551-552; DOI: https://doi.org/10.1090/S0002-9939-1969-0255401-4; PDF

Extending functions to operate on proper classes: David C. Peterson; Proc. Amer. Math. Soc. 20 (1969), 553-556; DOI: https://doi.org/10.1090/S0002-9939-1969-0244028-6; PDF

A new hierarchy of elementary functions: G. T. Herman; Proc. Amer. Math. Soc. 20 (1969), 557-562; DOI: https://doi.org/10.1090/S0002-9939-1969-0250878-2; PDF

On the existence of stationary optimal strategies: Donald Ornstein; Proc. Amer. Math. Soc. 20 (1969), 563-569; DOI: https://doi.org/10.1090/S0002-9939-1969-0253756-8; PDF

On convergence rates in the law of large numbers for weighted sums of independent random variables: V. K. Rohatgi; Proc. Amer. Math. Soc. 20 (1969), 570-574; DOI: https://doi.org/10.1090/S0002-9939-1969-0242229-4; PDF

On the $\textrm {PL}$ noninvariance of the span of a smooth manifold: Joseph Roitberg; Proc. Amer. Math. Soc. 20 (1969), 575-579; DOI: https://doi.org/10.1090/S0002-9939-1969-0236937-9; PDF

Normal structures for locally flat embeddings: Kenneth C. Millett; Proc. Amer. Math. Soc. 20 (1969), 580-584; DOI: https://doi.org/10.1090/S0002-9939-1969-0246306-3; PDF

On compactification and structure of topological groups: R. T. Ramsay; Proc. Amer. Math. Soc. 20 (1969), 585-589; DOI: https://doi.org/10.1090/S0002-9939-1969-0233917-4; PDF

A counterexample in weighted majority games: John R. Isbell; Proc. Amer. Math. Soc. 20 (1969), 590-592; DOI: https://doi.org/10.1090/S0002-9939-1969-0247881-5; PDF

The $\textrm {mod}$ $p$ cohomology of $\textrm {BO}\langle 4k\rangle$: V. Giambalvo; Proc. Amer. Math. Soc. 20 (1969), 593-597; DOI: https://doi.org/10.1090/S0002-9939-1969-0236913-6; PDF

Cell-like spaces: R. C. Lacher; Proc. Amer. Math. Soc. 20 (1969), 598-602; DOI: https://doi.org/10.1090/S0002-9939-1969-0234437-3; PDF

A new proof that metric spaces are paracompact: Mary Ellen Rudin; Proc. Amer. Math. Soc. 20 (1969), 603; DOI: https://doi.org/10.1090/S0002-9939-1969-0236876-3; PDF

A short proof of a lemma of G. R. MacLane: K. F. Barth and W. J. Schneider; Proc. Amer. Math. Soc. 20 (1969), 604-605; DOI: https://doi.org/10.1090/S0002-9939-1969-0236392-9; PDF

Permutations and two sequences with the same cluster set: James A. Yorke; Proc. Amer. Math. Soc. 20 (1969), 606; DOI: https://doi.org/10.1090/S0002-9939-1969-0235516-7; PDF