Proceedings of the American Mathematical Society

Contents of Volume 83, Number 3
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Hochschild dimension and the prime radical of algebras

Joseph A. Wehlen

Proc. Amer. Math. Soc. 83 (1981), 443-447

DOI: https://doi.org/10.1090/S0002-9939-1981-0627665-1

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On the depth of local rings of invariants of cyclic groups

John Fogarty

Proc. Amer. Math. Soc. 83 (1981), 448-452

DOI: https://doi.org/10.1090/S0002-9939-1981-0627666-3

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Nonextended quadratic forms over polynomial rings over power series rings

Raman Parimala

Proc. Amer. Math. Soc. 83 (1981), 453-454

DOI: https://doi.org/10.1090/S0002-9939-1981-0627667-5

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Projective modules over rings with many units

B. R. McDonald and William C. Waterhouse

Proc. Amer. Math. Soc. 83 (1981), 455-458

DOI: https://doi.org/10.1090/S0002-9939-1981-0627668-7

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Isomorphic group rings with nonisomorphic commutative coefficients

Jan Krempa

Proc. Amer. Math. Soc. 83 (1981), 459-460

DOI: https://doi.org/10.1090/S0002-9939-1981-0627669-9

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Hereditary finitely generated algebras satisfying a polynomial identity

Ellen E. Kirkman and James Kuzmanovich

Proc. Amer. Math. Soc. 83 (1981), 461-466

DOI: https://doi.org/10.1090/S0002-9939-1981-0627670-5

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Primary abelian groups having all high subgroups isomorphic

Doyle O. Cutler

Proc. Amer. Math. Soc. 83 (1981), 467-470

DOI: https://doi.org/10.1090/S0002-9939-1981-0627671-7

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On the field of a $2$-block

B. G. Basmaji

Proc. Amer. Math. Soc. 83 (1981), 471-475

DOI: https://doi.org/10.1090/S0002-9939-1981-0627672-9

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An upper bound for the John constant

Julian Gevirtz

Proc. Amer. Math. Soc. 83 (1981), 476-478

DOI: https://doi.org/10.1090/S0002-9939-1981-0627673-0

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Small into-isomorphisms between spaces of continuous functions

Y. Benyamini

Proc. Amer. Math. Soc. 83 (1981), 479-485

DOI: https://doi.org/10.1090/S0002-9939-1981-0627674-2

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Zero-free regions of exponential sums

Kenneth B. Stolarsky

Proc. Amer. Math. Soc. 83 (1981), 486-488

DOI: https://doi.org/10.1090/S0002-9939-1981-0627675-4

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Radon-Nikodým derivatives for Banach lattice-valued measures

Ep de Jonge

Proc. Amer. Math. Soc. 83 (1981), 489-495

DOI: https://doi.org/10.1090/S0002-9939-1981-0627676-6

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Banach spaces which always contain supremum-attaining elements

Peter D. Morris

Proc. Amer. Math. Soc. 83 (1981), 496-498

DOI: https://doi.org/10.1090/S0002-9939-1981-0627677-8

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$L^{1}(I, X)$ with order convolution

R. K. Dhar and H. L. Vasudeva

Proc. Amer. Math. Soc. 83 (1981), 499-505

DOI: https://doi.org/10.1090/S0002-9939-1981-0627678-X

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A double commutant theorem for conjugate selfadjoint operators

James W. Moeller

Proc. Amer. Math. Soc. 83 (1981), 506-508

DOI: https://doi.org/10.1090/S0002-9939-1981-0627679-1

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Traces of BMO-Sobolev spaces

Robert S. Strichartz

Proc. Amer. Math. Soc. 83 (1981), 509-513

DOI: https://doi.org/10.1090/S0002-9939-1981-0627680-8

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A note on intertwining $M$-hyponormal operators

R. L. Moore, D. D. Rogers and T. T. Trent

Proc. Amer. Math. Soc. 83 (1981), 514-516

DOI: https://doi.org/10.1090/S0002-9939-1981-0627681-X

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Compact weighted endomorphisms of $C(X)$

Herbert Kamowitz

Proc. Amer. Math. Soc. 83 (1981), 517-521

DOI: https://doi.org/10.1090/S0002-9939-1981-0627682-1

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Sidon sets with extremal Sidon constants

Colin C. Graham and L. Thomas Ramsey

Proc. Amer. Math. Soc. 83 (1981), 522-526

DOI: https://doi.org/10.1090/S0002-9939-1981-0627683-3

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Some intrinsic coordinates on Teichmüller space

Clifford J. Earle

Proc. Amer. Math. Soc. 83 (1981), 527-531

DOI: https://doi.org/10.1090/S0002-9939-1981-0627684-5

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Hardy’s inequalities with indices less than $1$

Paul R. Beesack and Hans P. Heinig

Proc. Amer. Math. Soc. 83 (1981), 532-536

DOI: https://doi.org/10.1090/S0002-9939-1981-0627685-7

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On complete biorthogonal systems

Robert M. Young

Proc. Amer. Math. Soc. 83 (1981), 537-540

DOI: https://doi.org/10.1090/S0002-9939-1981-0627686-9

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Remarks on nonoscillation theorems for a second order nonlinear differential equation

James S. W. Wong

Proc. Amer. Math. Soc. 83 (1981), 541-546

DOI: https://doi.org/10.1090/S0002-9939-1981-0627687-0

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Monotonicity theorems

B. S. Thomson

Proc. Amer. Math. Soc. 83 (1981), 547-552

DOI: https://doi.org/10.1090/S0002-9939-1981-0627688-2

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A decomposition theorem

Wolfgang Sander

Proc. Amer. Math. Soc. 83 (1981), 553-554

DOI: https://doi.org/10.1090/S0002-9939-1981-0627689-4

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A note on strictly cyclic weighted shifts

Hector N. Salas

Proc. Amer. Math. Soc. 83 (1981), 555-556

DOI: https://doi.org/10.1090/S0002-9939-1981-0627690-0

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On homeomorphisms preserving principal divisors

Yosef Stein

Proc. Amer. Math. Soc. 83 (1981), 557-562

DOI: https://doi.org/10.1090/S0002-9939-1981-0627691-2

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On a mean ergodic theorem

Ryōtarō Satō

Proc. Amer. Math. Soc. 83 (1981), 563-564

DOI: https://doi.org/10.1090/S0002-9939-1981-0627692-4

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Functions which operate on the real part of a function algebra

Osamu Hatori

Proc. Amer. Math. Soc. 83 (1981), 565-568

DOI: https://doi.org/10.1090/S0002-9939-1981-0627693-6

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Existence of sets of uniqueness of $l^{p}$ for general orthonormal systems

Leonardo Colzani

Proc. Amer. Math. Soc. 83 (1981), 569-572

DOI: https://doi.org/10.1090/S0002-9939-1981-0627694-8

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On weakly compact operators on Banach lattices

C. D. Aliprantis and O. Burkinshaw

Proc. Amer. Math. Soc. 83 (1981), 573-578

DOI: https://doi.org/10.1090/S0002-9939-1981-0627695-X

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Curvature estimates for complete and bounded submanifolds in a Riemannian manifold

Yoshihisa Kitagawa

Proc. Amer. Math. Soc. 83 (1981), 579-581

DOI: https://doi.org/10.1090/S0002-9939-1981-0627696-1

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Additive comparisons of stop rule and supremum expectations of uniformly bounded independent random variables

T. P. Hill and Robert P. Kertz

Proc. Amer. Math. Soc. 83 (1981), 582-585

DOI: https://doi.org/10.1090/S0002-9939-1981-0627697-3

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A sufficient condition for linear growth of variances in a stationary random sequence

Richard C. Bradley

Proc. Amer. Math. Soc. 83 (1981), 586-589

DOI: https://doi.org/10.1090/S0002-9939-1981-0627698-5

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Compact covariance operators

Charles R. Baker and Ian W. McKeague

Proc. Amer. Math. Soc. 83 (1981), 590-593

DOI: https://doi.org/10.1090/S0002-9939-1981-0627699-7

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An example in shape theory

Smilka Zdravkovska

Proc. Amer. Math. Soc. 83 (1981), 594-596

DOI: https://doi.org/10.1090/S0002-9939-1981-0627700-0

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A rigid space $X$ for which $X\times X$ is homogeneous; an application of infinite-dimensional topology

Jan van Mill

Proc. Amer. Math. Soc. 83 (1981), 597-600

DOI: https://doi.org/10.1090/S0002-9939-1981-0627701-2

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Selections and orderability

Jan van Mill and Evert Wattel

Proc. Amer. Math. Soc. 83 (1981), 601-605

DOI: https://doi.org/10.1090/S0002-9939-1981-0627702-4

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Generalizing the Alexandroff-Urysohn double circumference construction

Richard E. Chandler, Gary D. Faulkner, Josephine P. Guglielmi and Margaret C. Memory

Proc. Amer. Math. Soc. 83 (1981), 606-608

DOI: https://doi.org/10.1090/S0002-9939-1981-0627703-6

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Spaces of AANRs

Zvonko Čerin

Proc. Amer. Math. Soc. 83 (1981), 609-615

DOI: https://doi.org/10.1090/S0002-9939-1981-0627704-8

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Some quotients of the Steenrod algebra

Donald M. Davis

Proc. Amer. Math. Soc. 83 (1981), 616-618

DOI: https://doi.org/10.1090/S0002-9939-1981-0627706-1

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On the Segal conjecture for $Z_{2}\times Z_{2}$

Donald M. Davis

Proc. Amer. Math. Soc. 83 (1981), 619-622

DOI: https://doi.org/10.1090/S0002-9939-1981-0627705-X

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A note on Wallman compactifications

Asha Rani Singal and Sunder Lal

Proc. Amer. Math. Soc. 83 (1981), 623-624

DOI: https://doi.org/10.1090/S0002-9939-1981-0627707-3

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Minimal periodic orbits of continuous mappings of the circle

Jaume Llibre

Proc. Amer. Math. Soc. 83 (1981), 625-628

DOI: https://doi.org/10.1090/S0002-9939-1981-0627708-5

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Differential equations which are topologically linear

Ludvik Janos

Proc. Amer. Math. Soc. 83 (1981), 629-632

DOI: https://doi.org/10.1090/S0002-9939-1981-0627709-7

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Whitney stability and contractible hyperspaces

A. M. Dilks and J. T. Rogers

Proc. Amer. Math. Soc. 83 (1981), 633-640

DOI: https://doi.org/10.1090/S0002-9939-1981-0627710-3

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Universal bounds and monotonicity of ordinal invariants

James R. Boone

Proc. Amer. Math. Soc. 83 (1981), 641-644

DOI: https://doi.org/10.1090/S0002-9939-1981-0627711-5

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A common fixed point theorem for commuting mappings

Shih Sen Chang

Proc. Amer. Math. Soc. 83 (1981), 645-652

DOI: https://doi.org/10.1090/S0002-9939-1981-0627712-7

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Stiefel-Whitney classes in $H^{\ast } B\textrm {O}\langle \varphi (r)\rangle$

A. P. Bahri and M. E. Mahowald

Proc. Amer. Math. Soc. 83 (1981), 653-655

DOI: https://doi.org/10.1090/S0002-9939-1981-0627713-9

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A comment on the Novikov conjecture

Jerome Kaminker and John G. Miller

Proc. Amer. Math. Soc. 83 (1981), 656-658

DOI: https://doi.org/10.1090/S0002-9939-1981-0627714-0

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Enumeration of forests in a graph

C. J. Liu and Yutze Chow

Proc. Amer. Math. Soc. 83 (1981), 659-662

DOI: https://doi.org/10.1090/S0002-9939-1981-0627715-2

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A short proof of the Junnila quasimetrization theorem

Ralph Fox

Proc. Amer. Math. Soc. 83 (1981), 663-664

DOI: https://doi.org/10.1090/S0002-9939-1981-0627716-4

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