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 21, Number 3
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Inclusion theorems for Sonnenschein matrices
Frederick Hartmann
Proc. Amer. Math. Soc. 21 (1969), 513-519
DOI: https://doi.org/10.1090/S0002-9939-1969-0244670-2
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A continuous basis for Orlicz spaces
Robert E. Zink
Proc. Amer. Math. Soc. 21 (1969), 520-522
DOI: https://doi.org/10.1090/S0002-9939-1969-0239411-9
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On a theorem of Goffman concerning Schauder series
Robert E. Zink
Proc. Amer. Math. Soc. 21 (1969), 523-529
DOI: https://doi.org/10.1090/S0002-9939-1969-0241887-8
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Finitely generated coherent analytic sheaves
Bernard Kripke
Proc. Amer. Math. Soc. 21 (1969), 530-534
DOI: https://doi.org/10.1090/S0002-9939-1969-0240332-6
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A note on derivation pairs
N. R. Nandakumar
Proc. Amer. Math. Soc. 21 (1969), 535-539
DOI: https://doi.org/10.1090/S0002-9939-1969-0240606-9
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Functions that operate in the Fourier algebra of a compact group
Charles F. Dunkl
Proc. Amer. Math. Soc. 21 (1969), 540-544
DOI: https://doi.org/10.1090/S0002-9939-1969-0239360-6
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The coefficients of multivalent close-to-convex functions
Albert E. Livingston
Proc. Amer. Math. Soc. 21 (1969), 545-552
DOI: https://doi.org/10.1090/S0002-9939-1969-0243054-0
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The area of an analytic set in complex projective space
Paul R. Thie
Proc. Amer. Math. Soc. 21 (1969), 553-554
DOI: https://doi.org/10.1090/S0002-9939-1969-0239115-2
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Holomorphic functions with dense sets of Plessner points
Peter Lappan and George Piranian
Proc. Amer. Math. Soc. 21 (1969), 555-556
DOI: https://doi.org/10.1090/S0002-9939-1969-0241647-8
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On additive functionals
N. A. Friedman and M. Katz
Proc. Amer. Math. Soc. 21 (1969), 557-561
DOI: https://doi.org/10.1090/S0002-9939-1969-0243331-3
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Topological homotheties on compact Hausdorff spaces
Ludvík Janoš
Proc. Amer. Math. Soc. 21 (1969), 562-568
DOI: https://doi.org/10.1090/S0002-9939-1969-0242130-6
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Cotopology and minimal Hausdorff spaces
G. E. Strecker and G. Viglino
Proc. Amer. Math. Soc. 21 (1969), 569-574
DOI: https://doi.org/10.1090/S0002-9939-1969-0240770-1
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Fixed-point sets of transformation groups on infinite-product spaces.
James E. West
Proc. Amer. Math. Soc. 21 (1969), 575-582
DOI: https://doi.org/10.1090/S0002-9939-1969-0239588-5
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On closed images of the space of irrationals
R. Engelking
Proc. Amer. Math. Soc. 21 (1969), 583-586
DOI: https://doi.org/10.1090/S0002-9939-1969-0239571-X
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Arcs in inverse limits on $[0, 1]$ with only one bonding map
William S. Mahavier
Proc. Amer. Math. Soc. 21 (1969), 587-590
DOI: https://doi.org/10.1090/S0002-9939-1969-0243489-6
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Strong transfinite ordinal dimension
Martin Landau
Proc. Amer. Math. Soc. 21 (1969), 591-596
DOI: https://doi.org/10.1090/S0002-9939-1969-0240792-0
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On two questions of Moore and Mrowka
S. P. Franklin
Proc. Amer. Math. Soc. 21 (1969), 597-599
DOI: https://doi.org/10.1090/S0002-9939-1969-0251696-1
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Some remarks on hyperspaces
Raymond Y. T. Wong
Proc. Amer. Math. Soc. 21 (1969), 600-602
DOI: https://doi.org/10.1090/S0002-9939-1969-0240774-9
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Fibre bundles and measure
Bernard R. Gelbaum
Proc. Amer. Math. Soc. 21 (1969), 603-607
DOI: https://doi.org/10.1090/S0002-9939-1969-0239616-7
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Finitely generated classes of sets of natural numbers
Julia Robinson
Proc. Amer. Math. Soc. 21 (1969), 608-614
DOI: https://doi.org/10.1090/S0002-9939-1969-0253898-7
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A note on Seifert circles
Richard E. Goodrick
Proc. Amer. Math. Soc. 21 (1969), 615-617
DOI: https://doi.org/10.1090/S0002-9939-1969-0242144-6
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Retractions onto $\textrm {ANR’s}$
R. H. Bing
Proc. Amer. Math. Soc. 21 (1969), 618-620
DOI: https://doi.org/10.1090/S0002-9939-1969-0239583-6
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A fixed point theorem for open $Q$-acyclic $n$-manifolds
Robert F. Brown
Proc. Amer. Math. Soc. 21 (1969), 621-622
DOI: https://doi.org/10.1090/S0002-9939-1969-0239584-8
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A characterization of certain conformally Euclidean spaces of class one
G. M. Lancaster
Proc. Amer. Math. Soc. 21 (1969), 623-628
DOI: https://doi.org/10.1090/S0002-9939-1969-0240744-0
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Multinomial representation of solutions of a class of singular initial value problems
L. R. Bragg and J. W. Dettman
Proc. Amer. Math. Soc. 21 (1969), 629-634
DOI: https://doi.org/10.1090/S0002-9939-1969-0240433-2
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Isomorphism types of infinite algebras
S. D. Comer and J. J. Le Tourneau
Proc. Amer. Math. Soc. 21 (1969), 635-639
DOI: https://doi.org/10.1090/S0002-9939-1969-0238752-9
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On an inequality of Nehari
A. M. Fink and D. F. St. Mary
Proc. Amer. Math. Soc. 21 (1969), 640-642
DOI: https://doi.org/10.1090/S0002-9939-1969-0240388-0
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On the gaps in the spectrum associated with Hill’s equation
M. S. P. Eastham
Proc. Amer. Math. Soc. 21 (1969), 643-647
DOI: https://doi.org/10.1090/S0002-9939-1969-0240377-6
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Noncontinuable solutions of differential-delay equations
James A. Yorke
Proc. Amer. Math. Soc. 21 (1969), 648-652
DOI: https://doi.org/10.1090/S0002-9939-1969-0240425-3
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An existence theorem for nonlinear boundary value problems
Keith Schrader and Paul Waltman
Proc. Amer. Math. Soc. 21 (1969), 653-656
DOI: https://doi.org/10.1090/S0002-9939-1969-0239176-0
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Asymptotic behavior of solutions to some $n$th order linear differential equations
I. Norman Katz
Proc. Amer. Math. Soc. 21 (1969), 657-662
DOI: https://doi.org/10.1090/S0002-9939-1969-0239199-1
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An existence theorem for the reduced wave equation
Peter Wolfe
Proc. Amer. Math. Soc. 21 (1969), 663-666
DOI: https://doi.org/10.1090/S0002-9939-1969-0265780-X
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On hyperbolic polynomials with multiple roots
Gideon Peyser
Proc. Amer. Math. Soc. 21 (1969), 667-670
DOI: https://doi.org/10.1090/S0002-9939-1969-0240451-4
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A note on square integrable solutions of linear differential equations
Anton Zettl
Proc. Amer. Math. Soc. 21 (1969), 671-672
DOI: https://doi.org/10.1090/S0025-5718-69-99995-5
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Ample vector bundles on algebraic surfaces
Steven L. Kleiman
Proc. Amer. Math. Soc. 21 (1969), 673-676
DOI: https://doi.org/10.1090/S0002-9939-1969-0251044-7
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On Dedekind’s problem: The number of monotone Boolean functions
Daniel Kleitman
Proc. Amer. Math. Soc. 21 (1969), 677-682
DOI: https://doi.org/10.1090/S0002-9939-1969-0241334-6
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On the symmetric product of a rational surface
Arthur Mattuck
Proc. Amer. Math. Soc. 21 (1969), 683-688
DOI: https://doi.org/10.1090/S0002-9939-1969-0242829-1
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A characterization of semilinear sets
Rani Siromoney
Proc. Amer. Math. Soc. 21 (1969), 689-694
DOI: https://doi.org/10.1090/S0002-9939-1969-0239891-9
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When are multiplicative mappings additive?
Wallace S. Martindale
Proc. Amer. Math. Soc. 21 (1969), 695-698
DOI: https://doi.org/10.1090/S0002-9939-1969-0240129-7
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On the Frattini subgroup
John Cossey and Alice Whittemore
Proc. Amer. Math. Soc. 21 (1969), 699-702
DOI: https://doi.org/10.1090/S0002-9939-1969-0241511-4
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Strongly hereditary radicals
W. G. Leavitt
Proc. Amer. Math. Soc. 21 (1969), 703-705
DOI: https://doi.org/10.1090/S0002-9939-1969-0240152-2
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On a problem of Erdős
Ming-chit Liu
Proc. Amer. Math. Soc. 21 (1969), 706-710
DOI: https://doi.org/10.1090/S0002-9939-1969-0245795-8
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Semi-isomorphisms of certain infinite permutation groups
W. R. Scott
Proc. Amer. Math. Soc. 21 (1969), 711-713
DOI: https://doi.org/10.1090/S0002-9939-1969-0241519-9
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Some criteria for nilpotency in groups and Lie algebras
Eugene Schenkman
Proc. Amer. Math. Soc. 21 (1969), 714-718
DOI: https://doi.org/10.1090/S0002-9939-1969-0241540-0
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On the number of binary digits in a multiple of three
Donald J. Newman
Proc. Amer. Math. Soc. 21 (1969), 719-721
DOI: https://doi.org/10.1090/S0002-9939-1969-0244149-8
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On the entropy of certain classes of skew-product transformations
D. Newton
Proc. Amer. Math. Soc. 21 (1969), 722-726
DOI: https://doi.org/10.1090/S0002-9939-1969-0248329-7
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Some applications of Hewitt’s factorization theorem
H. S. Collins and W. H. Summers
Proc. Amer. Math. Soc. 21 (1969), 727-733
DOI: https://doi.org/10.1090/S0002-9939-1969-0240636-7
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Eigenfunction expansions of analytic functions
R. T. Seeley
Proc. Amer. Math. Soc. 21 (1969), 734-738
DOI: https://doi.org/10.1090/S0002-9939-1969-0240835-4
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Fredholm operators: A counter-example
James K. Washenberger
Proc. Amer. Math. Soc. 21 (1969), 739-740
DOI: https://doi.org/10.1090/S0002-9939-1969-0246082-4
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On measurability and regularity
W. John Wilbur
Proc. Amer. Math. Soc. 21 (1969), 741-746
DOI: https://doi.org/10.1090/S0002-9939-1969-0239032-8
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On strong measurability of Banach valued functions
Michel Métivier
Proc. Amer. Math. Soc. 21 (1969), 747-748
DOI: https://doi.org/10.1090/S0002-9939-1969-0245061-0
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Pure states and approximate identities
Johan F. Aarnes and Richard V. Kadison
Proc. Amer. Math. Soc. 21 (1969), 749-752
DOI: https://doi.org/10.1090/S0002-9939-1969-0240633-1
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A note on a theorem of Jacobson
T. S. Ravisankar
Proc. Amer. Math. Soc. 21 (1969), 753-754
DOI: https://doi.org/10.1090/S0002-9939-1969-0238912-7
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A new metric for a metric space
Robert B. Fraser
Proc. Amer. Math. Soc. 21 (1969), 755-761
DOI: https://doi.org/10.1090/S0002-9939-1969-0239560-5
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On semigroups near the identity
W. Wils
Proc. Amer. Math. Soc. 21 (1969), 762-763
DOI: https://doi.org/10.1090/S0002-9939-1969-0239468-5
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