Contents of Volume 80, Number 4

All articles in this issue are freely accessible.

View front and back matter from the print issue

Quotient rings of a ring and a subring which have a common right ideal

Jay Shapiro.
Proc. Amer. Math. Soc. 80 (1980), 537-543
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587922

Zero-diminishing linear transformations

Thomas Craven and George Csordas.
Proc. Amer. Math. Soc. 80 (1980), 544-546
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587923

Cohomological dimension of an abelian monoid

Charles Ching-an Cheng and Jay Shapiro.
Proc. Amer. Math. Soc. 80 (1980), 547-551
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587924

Semilocal skew group rings

Jan Okniński.
Proc. Amer. Math. Soc. 80 (1980), 552-554
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587925

Asymptotic prime divisors and analytic spreads

Stephen McAdam.
Proc. Amer. Math. Soc. 80 (1980), 555-559
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587926

The automorphism group of a near-ring

S. D. Scott.
Proc. Amer. Math. Soc. 80 (1980), 560-562
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587927

On bialgebras which are simple Hopf modules

David E. Radford.
Proc. Amer. Math. Soc. 80 (1980), 563-568
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587928

Beware the phony multiplication on Quillen’s $\mathcal{A}^{-1}\mathcal{A}$

R. W. Thomason.
Proc. Amer. Math. Soc. 80 (1980), 569-573
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587929

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
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587930

Mixed norm $n$-widths

C. de Boor, R. DeVore and K. Höllig.
Proc. Amer. Math. Soc. 80 (1980), 577-583
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587931

Trace and the regular ring of a finite $AW^{∗} $-algebra

S. K. Berberian.
Proc. Amer. Math. Soc. 80 (1980), 584-586
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587932

Asymptotic behavior of solutions for a parabolic equation with nonlinear boundary conditions

C. V. Pao.
Proc. Amer. Math. Soc. 80 (1980), 587-593
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587933

Two new extremal properties of the Koebe-function

R. Klouth and K.-J. Wirths.
Proc. Amer. Math. Soc. 80 (1980), 594-596
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587934

Hyperfinite-dimensional subspaces of the nonstandard hull of $c_{0}$

L. C. Moore.
Proc. Amer. Math. Soc. 80 (1980), 597-603
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587935

Nonnormal Dirichlet quotients and nonnormal Blaschke quotients

Shinji Yamashita.
Proc. Amer. Math. Soc. 80 (1980), 604-606
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587936

Convex and starlike meromorphic functions

James Miller.
Proc. Amer. Math. Soc. 80 (1980), 607-613
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587937

On finitely generated and projective extensions of Banach algebras

Joan Verdera.
Proc. Amer. Math. Soc. 80 (1980), 614-620
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587938

Finite groups and invariant solutions to one-dimensional Plateau problems

David Bindschadler.
Proc. Amer. Math. Soc. 80 (1980), 621-626
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587939

On one-sided harmonic analysis

Rolf Wim Henrichs.
Proc. Amer. Math. Soc. 80 (1980), 627-630
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587940

Renorming the Banach space $c_{0}$

Robert C. James.
Proc. Amer. Math. Soc. 80 (1980), 631-634
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587941

Fixed points in nonconvex domains

Eric Chandler and Gary Faulkner.
Proc. Amer. Math. Soc. 80 (1980), 635-638
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587942

Best approximation in certain Douglas algebras

Rahman Younis.
Proc. Amer. Math. Soc. 80 (1980), 639-642
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587943

A Runge theorem for solutions of the heat equation

R. Diaz.
Proc. Amer. Math. Soc. 80 (1980), 643-646
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587944

Existence theorems on unbounded sets in Banach spaces

Norimichi Hirano and Wataru Takahashi.
Proc. Amer. Math. Soc. 80 (1980), 647-650
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587945

On a criterion for the univalence of holomorphic functions

Kee Wai Lau and Ming Chit Liu.
Proc. Amer. Math. Soc. 80 (1980), 651-652
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587946

On operator ranges

Bhushan L. Wadhwa.
Proc. Amer. Math. Soc. 80 (1980), 653-654
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587947

A note on analytic sets

John R. Steel.
Proc. Amer. Math. Soc. 80 (1980), 655-657
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587948

Prediction $n$ units of time ahead

Takahiko Nakazi and Katutoshi Takahashi.
Proc. Amer. Math. Soc. 80 (1980), 658-659
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587949

Note on sequences of Mayer-Vietoris type

Eldon Dyer and Joseph Roitberg.
Proc. Amer. Math. Soc. 80 (1980), 660-662
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587950

Some remarks on projective Stiefel manifolds, immersions of projective spaces and spheres

Larry Smith.
Proc. Amer. Math. Soc. 80 (1980), 663-669
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587951

Equivariant maps which are self homotopy equivalences

E. Dror, W. G. Dwyer and D. M. Kan.
Proc. Amer. Math. Soc. 80 (1980), 670-672
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587952

Linear vector fields on $G_{k}(\mathbf{R}^{n})$

Maria Luiza Leite and Isabel Dotti de Miatello.
Proc. Amer. Math. Soc. 80 (1980), 673-677
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587953

The weight of a pseudocompact (homogeneous) space whose cardinality has countable cofinality

Eric K. van Douwen.
Proc. Amer. Math. Soc. 80 (1980), 678-682
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587954

Nonexistence theorems of higher order immersions of Dold manifolds

Teiichi Kobayashi.
Proc. Amer. Math. Soc. 80 (1980), 683-686
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587955

$S$-sets and $S$-perfect mappings

R. F. Dickman and R. L. Krystock.
Proc. Amer. Math. Soc. 80 (1980), 687-692
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587956

Paracompactness in perfectly normal, locally connected, locally compact spaces

Diane J. Lane.
Proc. Amer. Math. Soc. 80 (1980), 693-696
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587957

On nowhere dense ccc $P$-sets

Alan Dow and Jan van Mill.
Proc. Amer. Math. Soc. 80 (1980), 697-700
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587958

When $U(𝜅)$ can be mapped onto $U(𝜔)$

Jan van Mill.
Proc. Amer. Math. Soc. 80 (1980), 701-702
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587959

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
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587960

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
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587961

A note on sum-free sets of integers

Mên Ch’ang Hu.
Proc. Amer. Math. Soc. 80 (1980), 711-712
Abstract, references and article information
Full-text PDF Free Access
MathSciNet review: 587962