Contents of Volume 83, Number 3

All articles in this issue are freely accessible.

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Hochschild dimension and the prime radical of algebras

Joseph A. Wehlen.
Proc. Amer. Math. Soc. 83 (1981), 443-447
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MathSciNet review: 627665

On the depth of local rings of invariants of cyclic groups

John Fogarty.
Proc. Amer. Math. Soc. 83 (1981), 448-452
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MathSciNet review: 627666

Nonextended quadratic forms over polynomial rings over power series rings

Raman Parimala.
Proc. Amer. Math. Soc. 83 (1981), 453-454
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MathSciNet review: 627667

Projective modules over rings with many units

B. R. McDonald and William C. Waterhouse.
Proc. Amer. Math. Soc. 83 (1981), 455-458
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MathSciNet review: 627668

Isomorphic group rings with nonisomorphic commutative coefficients

Jan Krempa.
Proc. Amer. Math. Soc. 83 (1981), 459-460
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MathSciNet review: 627669

Hereditary finitely generated algebras satisfying a polynomial identity

Ellen E. Kirkman and James Kuzmanovich.
Proc. Amer. Math. Soc. 83 (1981), 461-466
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MathSciNet review: 627670

Primary abelian groups having all high subgroups isomorphic

Doyle O. Cutler.
Proc. Amer. Math. Soc. 83 (1981), 467-470
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MathSciNet review: 627671

On the field of a $2$-block

B. G. Basmaji.
Proc. Amer. Math. Soc. 83 (1981), 471-475
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MathSciNet review: 627672

An upper bound for the John constant

Julian Gevirtz.
Proc. Amer. Math. Soc. 83 (1981), 476-478
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MathSciNet review: 627673

Small into-isomorphisms between spaces of continuous functions

Y. Benyamini.
Proc. Amer. Math. Soc. 83 (1981), 479-485
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MathSciNet review: 627674

Zero-free regions of exponential sums

Kenneth B. Stolarsky.
Proc. Amer. Math. Soc. 83 (1981), 486-488
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MathSciNet review: 627675

Radon-Nikodým derivatives for Banach lattice-valued measures

Ep de Jonge.
Proc. Amer. Math. Soc. 83 (1981), 489-495
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MathSciNet review: 627676

Banach spaces which always contain supremum-attaining elements

Peter D. Morris.
Proc. Amer. Math. Soc. 83 (1981), 496-498
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MathSciNet review: 627677

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

R. K. Dhar and H. L. Vasudeva.
Proc. Amer. Math. Soc. 83 (1981), 499-505
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MathSciNet review: 627678

A double commutant theorem for conjugate selfadjoint operators

James W. Moeller.
Proc. Amer. Math. Soc. 83 (1981), 506-508
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MathSciNet review: 627679

Traces of BMO-Sobolev spaces

Robert S. Strichartz.
Proc. Amer. Math. Soc. 83 (1981), 509-513
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MathSciNet review: 627680

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
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MathSciNet review: 627681

Compact weighted endomorphisms of $C(X)$

Herbert Kamowitz.
Proc. Amer. Math. Soc. 83 (1981), 517-521
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MathSciNet review: 627682

Sidon sets with extremal Sidon constants

Colin C. Graham and L. Thomas Ramsey.
Proc. Amer. Math. Soc. 83 (1981), 522-526
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MathSciNet review: 627683

Some intrinsic coordinates on Teichmüller space

Clifford J. Earle.
Proc. Amer. Math. Soc. 83 (1981), 527-531
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MathSciNet review: 627684

Hardy’s inequalities with indices less than $1$

Paul R. Beesack and Hans P. Heinig.
Proc. Amer. Math. Soc. 83 (1981), 532-536
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MathSciNet review: 627685

On complete biorthogonal systems

Robert M. Young.
Proc. Amer. Math. Soc. 83 (1981), 537-540
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MathSciNet review: 627686

Remarks on nonoscillation theorems for a second order nonlinear differential equation

James S. W. Wong.
Proc. Amer. Math. Soc. 83 (1981), 541-546
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MathSciNet review: 627687

Monotonicity theorems

B. S. Thomson.
Proc. Amer. Math. Soc. 83 (1981), 547-552
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MathSciNet review: 627688

A decomposition theorem

Wolfgang Sander.
Proc. Amer. Math. Soc. 83 (1981), 553-554
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MathSciNet review: 627689

A note on strictly cyclic weighted shifts

Hector N. Salas.
Proc. Amer. Math. Soc. 83 (1981), 555-556
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MathSciNet review: 627690

On homeomorphisms preserving principal divisors

Yosef Stein.
Proc. Amer. Math. Soc. 83 (1981), 557-562
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MathSciNet review: 627691

On a mean ergodic theorem

Ryōtarō Satō.
Proc. Amer. Math. Soc. 83 (1981), 563-564
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MathSciNet review: 627692

Functions which operate on the real part of a function algebra

Osamu Hatori.
Proc. Amer. Math. Soc. 83 (1981), 565-568
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MathSciNet review: 627693

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

Leonardo Colzani.
Proc. Amer. Math. Soc. 83 (1981), 569-572
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MathSciNet review: 627694

On weakly compact operators on Banach lattices

C. D. Aliprantis and O. Burkinshaw.
Proc. Amer. Math. Soc. 83 (1981), 573-578
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MathSciNet review: 627695

Curvature estimates for complete and bounded submanifolds in a Riemannian manifold

Yoshihisa Kitagawa.
Proc. Amer. Math. Soc. 83 (1981), 579-581
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MathSciNet review: 627696

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
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MathSciNet review: 627697

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

Richard C. Bradley.
Proc. Amer. Math. Soc. 83 (1981), 586-589
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MathSciNet review: 627698

Compact covariance operators

Charles R. Baker and Ian W. McKeague.
Proc. Amer. Math. Soc. 83 (1981), 590-593
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MathSciNet review: 627699

An example in shape theory

Smilka Zdravkovska.
Proc. Amer. Math. Soc. 83 (1981), 594-596
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MathSciNet review: 627700

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
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MathSciNet review: 627701

Selections and orderability

Jan van Mill and Evert Wattel.
Proc. Amer. Math. Soc. 83 (1981), 601-605
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MathSciNet review: 627702

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
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MathSciNet review: 627703

Spaces of AANRs

Zvonko Čerin.
Proc. Amer. Math. Soc. 83 (1981), 609-615
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MathSciNet review: 627704

Some quotients of the Steenrod algebra

Donald M. Davis.
Proc. Amer. Math. Soc. 83 (1981), 616-618
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MathSciNet review: 627706

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

Donald M. Davis.
Proc. Amer. Math. Soc. 83 (1981), 619-622
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MathSciNet review: 627705

A note on Wallman compactifications

Asha Rani Singal and Sunder Lal.
Proc. Amer. Math. Soc. 83 (1981), 623-624
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MathSciNet review: 627707

Minimal periodic orbits of continuous mappings of the circle

Jaume Llibre.
Proc. Amer. Math. Soc. 83 (1981), 625-628
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MathSciNet review: 627708

Differential equations which are topologically linear

Ludvik Janos.
Proc. Amer. Math. Soc. 83 (1981), 629-632
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MathSciNet review: 627709

Whitney stability and contractible hyperspaces

A. M. Dilks and J. T. Rogers.
Proc. Amer. Math. Soc. 83 (1981), 633-640
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MathSciNet review: 627710

Universal bounds and monotonicity of ordinal invariants

James R. Boone.
Proc. Amer. Math. Soc. 83 (1981), 641-644
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MathSciNet review: 627711

A common fixed point theorem for commuting mappings

Shih Sen Chang.
Proc. Amer. Math. Soc. 83 (1981), 645-652
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MathSciNet review: 627712

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
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MathSciNet review: 627713

A comment on the Novikov conjecture

Jerome Kaminker and John G. Miller.
Proc. Amer. Math. Soc. 83 (1981), 656-658
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MathSciNet review: 627714

Enumeration of forests in a graph

C. J. Liu and Yutze Chow.
Proc. Amer. Math. Soc. 83 (1981), 659-662
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MathSciNet review: 627715

A short proof of the Junnila quasimetrization theorem

Ralph Fox.
Proc. Amer. Math. Soc. 83 (1981), 663-664
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MathSciNet review: 627716