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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 80, Number 4
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Quotient rings of a ring and a subring which have a common right ideal
Jay Shapiro
Proc. Amer. Math. Soc. 80 (1980), 537-543
DOI: https://doi.org/10.1090/S0002-9939-1980-0587922-3
Zero-diminishing linear transformations
Thomas Craven and George Csordas
Proc. Amer. Math. Soc. 80 (1980), 544-546
DOI: https://doi.org/10.1090/S0002-9939-1980-0587923-5
Cohomological dimension of an abelian monoid
Charles Ching-an Cheng and Jay Shapiro
Proc. Amer. Math. Soc. 80 (1980), 547-551
DOI: https://doi.org/10.1090/S0002-9939-1980-0587924-7
Semilocal skew group rings
Jan Okniński
Proc. Amer. Math. Soc. 80 (1980), 552-554
DOI: https://doi.org/10.1090/S0002-9939-1980-0587925-9
Asymptotic prime divisors and analytic spreads
Stephen McAdam
Proc. Amer. Math. Soc. 80 (1980), 555-559
DOI: https://doi.org/10.1090/S0002-9939-1980-0587926-0
The automorphism group of a near-ring
S. D. Scott
Proc. Amer. Math. Soc. 80 (1980), 560-562
DOI: https://doi.org/10.1090/S0002-9939-1980-0587927-2
On bialgebras which are simple Hopf modules
David E. Radford
Proc. Amer. Math. Soc. 80 (1980), 563-568
DOI: https://doi.org/10.1090/S0002-9939-1980-0587928-4
Beware the phony multiplication on Quillen’s $\mathcal {A}^{-1}\mathcal {A}$
R. W. Thomason
Proc. Amer. Math. Soc. 80 (1980), 569-573
DOI: https://doi.org/10.1090/S0002-9939-1980-0587929-6
Weak continuity of invariant measures for a class of piecewise monotonic transformations
Abraham Boyarsky and Sarah Cooper
Proc. Amer. Math. Soc. 80 (1980), 574-576
DOI: https://doi.org/10.1090/S0002-9939-1980-0587930-2
Mixed norm $n$-widths
C. de Boor, R. DeVore and K. Höllig
Proc. Amer. Math. Soc. 80 (1980), 577-583
DOI: https://doi.org/10.1090/S0002-9939-1980-0587931-4
Trace and the regular ring of a finite $AW^{\ast }$-algebra
S. K. Berberian
Proc. Amer. Math. Soc. 80 (1980), 584-586
DOI: https://doi.org/10.1090/S0002-9939-1980-0587932-6
Asymptotic behavior of solutions for a parabolic equation with nonlinear boundary conditions
C. V. Pao
Proc. Amer. Math. Soc. 80 (1980), 587-593
DOI: https://doi.org/10.1090/S0002-9939-1980-0587933-8
Two new extremal properties of the Koebe-function
R. Klouth and K.-J. Wirths
Proc. Amer. Math. Soc. 80 (1980), 594-596
DOI: https://doi.org/10.1090/S0002-9939-1980-0587934-X
Hyperfinite-dimensional subspaces of the nonstandard hull of $c_{0}$
L. C. Moore
Proc. Amer. Math. Soc. 80 (1980), 597-603
DOI: https://doi.org/10.1090/S0002-9939-1980-0587935-1
Nonnormal Dirichlet quotients and nonnormal Blaschke quotients
Shinji Yamashita
Proc. Amer. Math. Soc. 80 (1980), 604-606
DOI: https://doi.org/10.1090/S0002-9939-1980-0587936-3
Convex and starlike meromorphic functions
James Miller
Proc. Amer. Math. Soc. 80 (1980), 607-613
DOI: https://doi.org/10.1090/S0002-9939-1980-0587937-5
On finitely generated and projective extensions of Banach algebras
Joan Verdera
Proc. Amer. Math. Soc. 80 (1980), 614-620
DOI: https://doi.org/10.1090/S0002-9939-1980-0587938-7
Finite groups and invariant solutions to one-dimensional Plateau problems
David Bindschadler
Proc. Amer. Math. Soc. 80 (1980), 621-626
DOI: https://doi.org/10.1090/S0002-9939-1980-0587939-9
On one-sided harmonic analysis
Rolf Wim Henrichs
Proc. Amer. Math. Soc. 80 (1980), 627-630
DOI: https://doi.org/10.1090/S0002-9939-1980-0587940-5
Renorming the Banach space $c_{0}$
Robert C. James
Proc. Amer. Math. Soc. 80 (1980), 631-634
DOI: https://doi.org/10.1090/S0002-9939-1980-0587941-7
Fixed points in nonconvex domains
Eric Chandler and Gary Faulkner
Proc. Amer. Math. Soc. 80 (1980), 635-638
DOI: https://doi.org/10.1090/S0002-9939-1980-0587942-9
Best approximation in certain Douglas algebras
Rahman Younis
Proc. Amer. Math. Soc. 80 (1980), 639-642
DOI: https://doi.org/10.1090/S0002-9939-1980-0587943-0
A Runge theorem for solutions of the heat equation
R. Diaz
Proc. Amer. Math. Soc. 80 (1980), 643-646
DOI: https://doi.org/10.1090/S0002-9939-1980-0587944-2
Existence theorems on unbounded sets in Banach spaces
Norimichi Hirano and Wataru Takahashi
Proc. Amer. Math. Soc. 80 (1980), 647-650
DOI: https://doi.org/10.1090/S0002-9939-1980-0587945-4
On a criterion for the univalence of holomorphic functions
Kee Wai Lau and Ming Chit Liu
Proc. Amer. Math. Soc. 80 (1980), 651-652
DOI: https://doi.org/10.1090/S0002-9939-1980-0587946-6
On operator ranges
Bhushan L. Wadhwa
Proc. Amer. Math. Soc. 80 (1980), 653-654
DOI: https://doi.org/10.1090/S0002-9939-1980-0587947-8
A note on analytic sets
John R. Steel
Proc. Amer. Math. Soc. 80 (1980), 655-657
DOI: https://doi.org/10.1090/S0002-9939-1980-0587948-X
Prediction $n$ units of time ahead
Takahiko Nakazi and Katutoshi Takahashi
Proc. Amer. Math. Soc. 80 (1980), 658-659
DOI: https://doi.org/10.1090/S0002-9939-1980-0587949-1
Note on sequences of Mayer-Vietoris type
Eldon Dyer and Joseph Roitberg
Proc. Amer. Math. Soc. 80 (1980), 660-662
DOI: https://doi.org/10.1090/S0002-9939-1980-0587950-8
Some remarks on projective Stiefel manifolds, immersions of projective spaces and spheres
Larry Smith
Proc. Amer. Math. Soc. 80 (1980), 663-669
DOI: https://doi.org/10.1090/S0002-9939-1980-0587951-X
Equivariant maps which are self homotopy equivalences
E. Dror, W. G. Dwyer and D. M. Kan
Proc. Amer. Math. Soc. 80 (1980), 670-672
DOI: https://doi.org/10.1090/S0002-9939-1980-0587952-1
Linear vector fields on $\tilde {G}_k(\mathbf {R}^n)$
Maria Luiza Leite and Isabel Dotti de Miatello
Proc. Amer. Math. Soc. 80 (1980), 673-677
DOI: https://doi.org/10.1090/S0002-9939-1980-0587953-3
The weight of a pseudocompact (homogeneous) space whose cardinality has countable cofinality
Eric K. van Douwen
Proc. Amer. Math. Soc. 80 (1980), 678-682
DOI: https://doi.org/10.1090/S0002-9939-1980-0587954-5
Nonexistence theorems of higher order immersions of Dold manifolds
Teiichi Kobayashi
Proc. Amer. Math. Soc. 80 (1980), 683-686
DOI: https://doi.org/10.1090/S0002-9939-1980-0587955-7
$S$-sets and $S$-perfect mappings
R. F. Dickman and R. L. Krystock
Proc. Amer. Math. Soc. 80 (1980), 687-692
DOI: https://doi.org/10.1090/S0002-9939-1980-0587956-9
Paracompactness in perfectly normal, locally connected, locally compact spaces
Diane J. Lane
Proc. Amer. Math. Soc. 80 (1980), 693-696
DOI: https://doi.org/10.1090/S0002-9939-1980-0587957-0
On nowhere dense ccc $P$-sets
Alan Dow and Jan van Mill
Proc. Amer. Math. Soc. 80 (1980), 697-700
DOI: https://doi.org/10.1090/S0002-9939-1980-0587958-2
When $U(\kappa )$ can be mapped onto $U(\omega )$
Jan van Mill
Proc. Amer. Math. Soc. 80 (1980), 701-702
DOI: https://doi.org/10.1090/S0002-9939-1980-0587959-4
A Peano continuum homeomorphic to its own square but not to its countable infinite product
Jan van Mill
Proc. Amer. Math. Soc. 80 (1980), 703-705
DOI: https://doi.org/10.1090/S0002-9939-1980-0587960-0
Invariant sets for classes of matrices of zeros and ones
Richard A. Brualdi and Jeffrey A. Ross
Proc. Amer. Math. Soc. 80 (1980), 706-710
DOI: https://doi.org/10.1090/S0002-9939-1980-0587961-2
A note on sum-free sets of integers
Mên Ch’ang Hu
Proc. Amer. Math. Soc. 80 (1980), 711-712
DOI: https://doi.org/10.1090/S0002-9939-1980-0587962-4