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 27, Number 2
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Linear transformations under which the doubly stochastic matrices are invariant
Richard Sinkhorn
Proc. Amer. Math. Soc. 27 (1971), 213-221
DOI: https://doi.org/10.1090/S0002-9939-1971-0269678-1
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On constructing nearly decomposable matrices
D. J. Hartfiel
Proc. Amer. Math. Soc. 27 (1971), 222-228
DOI: https://doi.org/10.1090/S0002-9939-1971-0268062-4
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Solvable automorphism groups and an upper bound for $A(G)$
J. R. Weaver
Proc. Amer. Math. Soc. 27 (1971), 229-235
DOI: https://doi.org/10.1090/S0002-9939-1971-0271211-5
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Groups in which each element commutes with its endomorphic images
R. Faudree
Proc. Amer. Math. Soc. 27 (1971), 236-240
DOI: https://doi.org/10.1090/S0002-9939-1971-0269737-3
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Complements to solvable Hall subgroups
Robert Gilman
Proc. Amer. Math. Soc. 27 (1971), 241-243
DOI: https://doi.org/10.1090/S0002-9939-1971-0269742-7
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Multiplication from other operations
S. Kohn and D. J. Newman
Proc. Amer. Math. Soc. 27 (1971), 244-246
DOI: https://doi.org/10.1090/S0002-9939-1971-0269629-X
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Isomorphic polynomial rings
D. B. Coleman and E. E. Enochs
Proc. Amer. Math. Soc. 27 (1971), 247-252
DOI: https://doi.org/10.1090/S0002-9939-1971-0272805-3
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Complete lattices and the generalized Cantor theorem
Roy O. Davies, Allan Hayes and George Rousseau
Proc. Amer. Math. Soc. 27 (1971), 253-258
DOI: https://doi.org/10.1090/S0002-9939-1971-0268091-0
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Oscillation criteria for nonlinear second order matrix differential equations
Garret J. Etgen
Proc. Amer. Math. Soc. 27 (1971), 259-267
DOI: https://doi.org/10.1090/S0002-9939-1971-0274859-7
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On two parameter singular perturbation of linear boundary value problems
W. M. Greenlee
Proc. Amer. Math. Soc. 27 (1971), 268-274
DOI: https://doi.org/10.1090/S0002-9939-1971-0288415-8
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A class of ergodic transformations having simple spectrum
J. R. Baxter
Proc. Amer. Math. Soc. 27 (1971), 275-279
DOI: https://doi.org/10.1090/S0002-9939-1971-0276440-2
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One-sided boundary behavior for certain harmonic functions
T. K. Boehme and Max L. Weiss
Proc. Amer. Math. Soc. 27 (1971), 280-288
DOI: https://doi.org/10.1090/S0002-9939-1971-0288293-7
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Extensions of Fatou’s theorem to tangential asymptotic values
T. K. Boehme and Max L. Weiss
Proc. Amer. Math. Soc. 27 (1971), 289-298
DOI: https://doi.org/10.1090/S0002-9939-1971-0273039-9
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A generalization of a theorem of Poincaré
Irwin Kra
Proc. Amer. Math. Soc. 27 (1971), 299-302
DOI: https://doi.org/10.1090/S0002-9939-1971-0301189-7
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A note on the location of critical points of polynomials
E. B. Saff and J. B. Twomey
Proc. Amer. Math. Soc. 27 (1971), 303-308
DOI: https://doi.org/10.1090/S0002-9939-1971-0271312-1
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On the ideal of unconditionally convergent Fourier series in $L_{p} (G)$
Gregory F. Bachelis
Proc. Amer. Math. Soc. 27 (1971), 309-312
DOI: https://doi.org/10.1090/S0002-9939-1971-0271640-X
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An extension of the Nagumo uniqueness theorem
J. M. Bownds and F. T. Metcalf
Proc. Amer. Math. Soc. 27 (1971), 313-316
DOI: https://doi.org/10.1090/S0002-9939-1971-0288331-1
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Conditional expectations and an isomorphic characterization of $L_{1}$-spaces
L. Tzafriri
Proc. Amer. Math. Soc. 27 (1971), 317-324
DOI: https://doi.org/10.1090/S0002-9939-1971-0275143-8
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Oscillation criteria for elliptic systems
W. Allegretto and C. A. Swanson
Proc. Amer. Math. Soc. 27 (1971), 325-330
DOI: https://doi.org/10.1090/S0002-9939-1971-0276592-4
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Two cells with $n$ points of local nonconvexivity
Nick M. Stavrakas, W. R. Hare and J. W. Kenelly
Proc. Amer. Math. Soc. 27 (1971), 331-336
DOI: https://doi.org/10.1090/S0002-9939-1971-0270273-9
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A note on a paper of Palais
L. Jonker
Proc. Amer. Math. Soc. 27 (1971), 337-340
DOI: https://doi.org/10.1090/S0002-9939-1971-0270288-0
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Correction to a theorem of mine
R. N. Sen
Proc. Amer. Math. Soc. 27 (1971), 341-342
DOI: https://doi.org/10.1090/S0002-9939-1971-0268809-7
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General embedding properties of absolute Borel and Souslin spaces
Roger W. Hansell
Proc. Amer. Math. Soc. 27 (1971), 343-352
DOI: https://doi.org/10.1090/S0002-9939-1971-0268853-X
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Provability with finitely many variables
J. Donald Monk
Proc. Amer. Math. Soc. 27 (1971), 353-358
DOI: https://doi.org/10.1090/S0002-9939-1971-0276063-5
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On the structure of nonstandard models of arithmetic
R. G. Phillips
Proc. Amer. Math. Soc. 27 (1971), 359-363
DOI: https://doi.org/10.1090/S0002-9939-1971-0274268-0
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Expansions of vectors in a Banach space related to Gaussian measures.
J. Kuelbs
Proc. Amer. Math. Soc. 27 (1971), 364-370
DOI: https://doi.org/10.1090/S0002-9939-1971-0267615-7
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Continuum neighborhoods and filterbases
David P. Bellamy and Harvey S. Davis
Proc. Amer. Math. Soc. 27 (1971), 371-374
DOI: https://doi.org/10.1090/S0002-9939-1971-0276913-2
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Prime $3$-manifolds and the doubling operation
Jonathan L. Gross
Proc. Amer. Math. Soc. 27 (1971), 375-380
DOI: https://doi.org/10.1090/S0002-9939-1971-0271948-8
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The almost fixed point property for hereditarily unicoherent continua.
William J. Gray and Loy O. Vaughan
Proc. Amer. Math. Soc. 27 (1971), 381-386
DOI: https://doi.org/10.1090/S0002-9939-1971-0288738-2
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Quasi-Jordanian continua
Robert E. Jackson
Proc. Amer. Math. Soc. 27 (1971), 387-390
DOI: https://doi.org/10.1090/S0002-9939-1971-0276927-2
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On pointwise periodic transformation groups
S. K. Kaul
Proc. Amer. Math. Soc. 27 (1971), 391-394
DOI: https://doi.org/10.1090/S0002-9939-1971-0267551-6
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Higher order homology operations and the Adams spectral sequence
Warren M. Krueger
Proc. Amer. Math. Soc. 27 (1971), 395-398
DOI: https://doi.org/10.1090/S0002-9939-1971-0281210-5
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The separation theorem for quasi-closed sets
John H. V. Hunt and Adalberto García-Máynez
Proc. Amer. Math. Soc. 27 (1971), 399-404
DOI: https://doi.org/10.1090/S0002-9939-1971-0276930-2
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Note on the embedding of manifolds in Euclidean space
J. C. Becker and H. H. Glover
Proc. Amer. Math. Soc. 27 (1971), 405-410
DOI: https://doi.org/10.1090/S0002-9939-1971-0268903-0
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Divisibility conditions on characteristic numbers of stably symplectic manifolds
D. M. Segal
Proc. Amer. Math. Soc. 27 (1971), 411-415
DOI: https://doi.org/10.1090/S0002-9939-1971-0270393-9
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On the hyperspace of subcontinua of an arc-like continuum
George W. Henderson
Proc. Amer. Math. Soc. 27 (1971), 416-417
DOI: https://doi.org/10.1090/S0002-9939-1971-0273576-7
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Elementary proof of a theorem of Helson
Raouf Doss
Proc. Amer. Math. Soc. 27 (1971), 418-420
DOI: https://doi.org/10.1090/S0002-9939-1971-0271644-7
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The Fourier transform is onto only when the group is finite
Stephen H. Friedberg
Proc. Amer. Math. Soc. 27 (1971), 421-422
DOI: https://doi.org/10.1090/S0002-9939-1971-0412736-9
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A note on Fourier multipliers
Max Jodeit
Proc. Amer. Math. Soc. 27 (1971), 423-424
DOI: https://doi.org/10.1090/S0002-9939-1971-0270072-8
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Factorization of differential operators
Anton Zettl
Proc. Amer. Math. Soc. 27 (1971), 425-426
DOI: https://doi.org/10.1090/S0002-9939-1971-0273085-5
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