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 22, Number 2
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Riesz matrices that are also Hausdorff matrices
C. E. Harrell
Proc. Amer. Math. Soc. 22 (1969), 303-304
DOI: https://doi.org/10.1090/S0002-9939-1969-0241847-7
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The invariant distance in the theory of pseudoconformal transformations and the Lu Qi-keng conjecture
M. Skwarczyński
Proc. Amer. Math. Soc. 22 (1969), 305-310
DOI: https://doi.org/10.1090/S0002-9939-1969-0244512-5
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The coefficients of starlike functions
J. A. Hummel
Proc. Amer. Math. Soc. 22 (1969), 311-315
DOI: https://doi.org/10.1090/S0002-9939-1969-0251209-4
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Absolute summability of a series associated with a Fourier series
H. P. Dikshit
Proc. Amer. Math. Soc. 22 (1969), 316-318
DOI: https://doi.org/10.1090/S0002-9939-1969-0244698-2
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Sums of functions of bounded index
Walter Pugh
Proc. Amer. Math. Soc. 22 (1969), 319-323
DOI: https://doi.org/10.1090/S0002-9939-1969-0243067-9
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A uniqueness result in conformal mapping
James A. Jenkins
Proc. Amer. Math. Soc. 22 (1969), 324-325
DOI: https://doi.org/10.1090/S0002-9939-1969-0241619-3
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About the universal covering of the complement of a complete quadrilateral
Wilhelm Stoll
Proc. Amer. Math. Soc. 22 (1969), 326-327
DOI: https://doi.org/10.1090/S0002-9939-1969-0245829-0
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Smooth Banach algebras
I. N. Spatz
Proc. Amer. Math. Soc. 22 (1969), 328-329
DOI: https://doi.org/10.1090/S0002-9939-1969-0244765-3
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Isomorphisms generated by fundamental and total sets
William B. Johnson and James A. Dyer
Proc. Amer. Math. Soc. 22 (1969), 330-334
DOI: https://doi.org/10.1090/S0002-9939-1969-0247406-4
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Local uniform convexity of Day’s norm on $c_{0}(\Gamma )$
John Rainwater
Proc. Amer. Math. Soc. 22 (1969), 335-339
DOI: https://doi.org/10.1090/S0002-9939-1969-0243325-8
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On semigroups of operators in locally convex spaces
Frode Terkelsen
Proc. Amer. Math. Soc. 22 (1969), 340-343
DOI: https://doi.org/10.1090/S0002-9939-1969-0248561-2
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Bounds for holomorphic vector fields
E. R. Fernholz
Proc. Amer. Math. Soc. 22 (1969), 344-350
DOI: https://doi.org/10.1090/S0002-9939-1969-0243108-9
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On Hille’s first exponential formula
Z. Ditzian
Proc. Amer. Math. Soc. 22 (1969), 351-355
DOI: https://doi.org/10.1090/S0002-9939-1969-0244804-X
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Averages of exponents in factoring integers
Ivan Niven
Proc. Amer. Math. Soc. 22 (1969), 356-360
DOI: https://doi.org/10.1090/S0002-9939-1969-0241373-5
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A class of flexible nilstable algebras
William G. Witthoft
Proc. Amer. Math. Soc. 22 (1969), 361-363
DOI: https://doi.org/10.1090/S0002-9939-1969-0260819-X
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An identity for the Schur complement of a matrix
Douglas E. Crabtree and Emilie V. Haynsworth
Proc. Amer. Math. Soc. 22 (1969), 364-366
DOI: https://doi.org/10.1090/S0002-9939-1969-0255573-1
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$(-1, 1)$ rings
Irvin Roy Hentzel
Proc. Amer. Math. Soc. 22 (1969), 367-374
DOI: https://doi.org/10.1090/S0002-9939-1969-0242909-0
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The free metabelian group of exponent $p^{2}$
N. D. Gupta
Proc. Amer. Math. Soc. 22 (1969), 375-376
DOI: https://doi.org/10.1090/S0002-9939-1969-0245678-3
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On the product of singular symmetric matrices
Louis Brand
Proc. Amer. Math. Soc. 22 (1969), 377
DOI: https://doi.org/10.1090/S0002-9939-1969-0242856-4
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Tangled embeddings of one-dimensional continua
D. R. McMillan and Harry Row
Proc. Amer. Math. Soc. 22 (1969), 378-385
DOI: https://doi.org/10.1090/S0002-9939-1969-0246267-7
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Cluster sets of nets
B. J. Pettis
Proc. Amer. Math. Soc. 22 (1969), 386-391
DOI: https://doi.org/10.1090/S0002-9939-1969-0276922-4
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Products of $k^{’}$-spaces
R. W. Bagley and D. D. Weddington
Proc. Amer. Math. Soc. 22 (1969), 392-394
DOI: https://doi.org/10.1090/S0002-9939-1969-0242104-5
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Tame subsets of spheres in $E^{3}$
C. E. Burgess and J. W. Cannon
Proc. Amer. Math. Soc. 22 (1969), 395-401
DOI: https://doi.org/10.1090/S0002-9939-1969-0242135-5
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$D$-semigroups
James W. Stepp
Proc. Amer. Math. Soc. 22 (1969), 402-406
DOI: https://doi.org/10.1090/S0002-9939-1969-0245716-8
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Locally finite and solvable subgroups of sfields
R. J. Faudree
Proc. Amer. Math. Soc. 22 (1969), 407-413
DOI: https://doi.org/10.1090/S0002-9939-1969-0244310-2
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On transitive and fully transitive primary groups
Paul Hill
Proc. Amer. Math. Soc. 22 (1969), 414-417
DOI: https://doi.org/10.1090/S0002-9939-1969-0269735-0
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Semihomomorphisms of semimodular lattices
John L. Pfaltz
Proc. Amer. Math. Soc. 22 (1969), 418-425
DOI: https://doi.org/10.1090/S0002-9939-1969-0242735-2
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A note on generating sets for invertible ideals
Robert Gilmer
Proc. Amer. Math. Soc. 22 (1969), 426-427
DOI: https://doi.org/10.1090/S0002-9939-1969-0241399-1
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A note on a paper of Paul Hill and Charles Megibben
Doyle O. Cutler and Joel Winthrop
Proc. Amer. Math. Soc. 22 (1969), 428-429
DOI: https://doi.org/10.1090/S0002-9939-1969-0244374-6
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On projective modules of finite rank
Wolmer V. Vasconcelos
Proc. Amer. Math. Soc. 22 (1969), 430-433
DOI: https://doi.org/10.1090/S0002-9939-1969-0242807-2
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A note on products of homogeneous torsion free abelian groups
Ross A. Beaumont
Proc. Amer. Math. Soc. 22 (1969), 434-436
DOI: https://doi.org/10.1090/S0002-9939-1969-0244373-4
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Projective and injective objects in the category of Banach spaces
Kenneth Pothoven
Proc. Amer. Math. Soc. 22 (1969), 437-438
DOI: https://doi.org/10.1090/S0002-9939-1969-0241955-0
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A note on a theorem of B. H. Neumann and S. Yamamuro
M. Billis
Proc. Amer. Math. Soc. 22 (1969), 439-440
DOI: https://doi.org/10.1090/S0002-9939-1969-0246970-9
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An inequality of Schur and an inequality of Newton
K. V. Menon
Proc. Amer. Math. Soc. 22 (1969), 441-449
DOI: https://doi.org/10.1090/S0002-9939-1969-0248038-4
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Intersection theorems for positive sets
Wolfhard Hansen and Victor Klee
Proc. Amer. Math. Soc. 22 (1969), 450-457
DOI: https://doi.org/10.1090/S0002-9939-1969-0254563-2
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The tower theorem for finite groups
Eugene Schenkman
Proc. Amer. Math. Soc. 22 (1969), 458-459
DOI: https://doi.org/10.1090/S0002-9939-1969-0245661-8
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A Krull-Schmidt theorem for infinite sums of modules
R. B. Warfield
Proc. Amer. Math. Soc. 22 (1969), 460-465
DOI: https://doi.org/10.1090/S0002-9939-1969-0242886-2
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On smooth bounded manifolds
Gudrun Kalmbach
Proc. Amer. Math. Soc. 22 (1969), 466-469
DOI: https://doi.org/10.1090/S0002-9939-1969-0244510-1
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Independence of a certain axiomatic system
Lino Gutiérrez-Novoa
Proc. Amer. Math. Soc. 22 (1969), 470
DOI: https://doi.org/10.1090/S0002-9939-1969-0243407-0
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A note on punctured disks in a $2$-manifold
Edward M. Brown
Proc. Amer. Math. Soc. 22 (1969), 471-472
DOI: https://doi.org/10.1090/S0002-9939-1969-0248782-9
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Riemannian manifolds of constant $k$-nullity
Aaron Rosenthal
Proc. Amer. Math. Soc. 22 (1969), 473-475
DOI: https://doi.org/10.1090/S0002-9939-1969-0254784-9
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A relation between Killing tensor fields and negative pinched Riemannian manifolds
Grigorios Tsagas
Proc. Amer. Math. Soc. 22 (1969), 476-478
DOI: https://doi.org/10.1090/S0002-9939-1969-0242095-7
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Characterization of connected $2$-manifolds without boundary which have finite domain rank
Richard J. Tondra
Proc. Amer. Math. Soc. 22 (1969), 479-482
DOI: https://doi.org/10.1090/S0002-9939-1969-0244971-8
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Future stability is not generic
Michael Shub and R. F. Williams
Proc. Amer. Math. Soc. 22 (1969), 483-484
DOI: https://doi.org/10.1090/S0002-9939-1969-0242193-8
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A nonoscillation theorem for a nonlinear second order differential equation
J. W. Heidel
Proc. Amer. Math. Soc. 22 (1969), 485-488
DOI: https://doi.org/10.1090/S0002-9939-1969-0248396-0
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An asymptotic expansion for a nonhomogeneous linear system
Thomas G. Hallam
Proc. Amer. Math. Soc. 22 (1969), 489-497
DOI: https://doi.org/10.1090/S0002-9939-1969-0245918-0
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A representation theorem for determining functions
Joel D. Pincus and James Rovnyak
Proc. Amer. Math. Soc. 22 (1969), 498-502
DOI: https://doi.org/10.1090/S0002-9939-1969-0248569-7
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Characteristic multipliers for some periodic differential equations.
T. G. Proctor
Proc. Amer. Math. Soc. 22 (1969), 503-508
DOI: https://doi.org/10.1090/S0002-9939-1969-0245909-X
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Periods of periodic solutions and the Lipschitz constant
James A. Yorke
Proc. Amer. Math. Soc. 22 (1969), 509-512
DOI: https://doi.org/10.1090/S0002-9939-1969-0245916-7
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Identifying perturbations which preserve asymptotic stability
Aaron Strauss and James A. Yorke
Proc. Amer. Math. Soc. 22 (1969), 513-518
DOI: https://doi.org/10.1090/S0002-9939-1969-0244578-2
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Expansion of analytic functions in exponential polynomials
J. W. Layman
Proc. Amer. Math. Soc. 22 (1969), 519-522
DOI: https://doi.org/10.1090/S0002-9939-1969-0241636-3
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Some recursively unsolvable problems in analysis
Andrew Adler
Proc. Amer. Math. Soc. 22 (1969), 523-526
DOI: https://doi.org/10.1090/S0002-9939-1969-0248020-7
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Nonstandard almost periodic functions on a group
Lawrence D. Kugler
Proc. Amer. Math. Soc. 22 (1969), 527-533
DOI: https://doi.org/10.1090/S0002-9939-1969-0243281-2
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Unsolvable diophantine problems
Julia Robinson
Proc. Amer. Math. Soc. 22 (1969), 534-538
DOI: https://doi.org/10.1090/S0002-9939-1969-0244046-8
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A chain of inclusion relations in computable analysis
Oliver Aberth
Proc. Amer. Math. Soc. 22 (1969), 539-548
DOI: https://doi.org/10.1090/S0002-9939-1969-0242668-1
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On a theorem of Orey
Donald Ornstein
Proc. Amer. Math. Soc. 22 (1969), 549-551
DOI: https://doi.org/10.1090/S0002-9939-1969-0245076-2
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On Ramanujan’s summation of $_{1}\psi _{1}(a; b; z)$
George E. Andrews
Proc. Amer. Math. Soc. 22 (1969), 552-553
DOI: https://doi.org/10.1090/S0002-9939-1969-0241703-4
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Products of two one-parameter subgroups
Morikuni Goto
Proc. Amer. Math. Soc. 22 (1969), 554
DOI: https://doi.org/10.1090/S0002-9939-1969-0241577-1
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Central idempotents in group rings
D. S. Passman
Proc. Amer. Math. Soc. 22 (1969), 555-556
DOI: https://doi.org/10.1090/S0002-9939-1969-0246982-5
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A metrization theorem for linearly orderable spaces
David J. Lutzer
Proc. Amer. Math. Soc. 22 (1969), 557-558
DOI: https://doi.org/10.1090/S0002-9939-1969-0248761-1
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