Contents of Volume 31, Number 1

All articles in this issue are freely accessible.

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Induced automorphisms of free metabelian groups

Orin Chein.
Proc. Amer. Math. Soc. 31 (1972), 1-9
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MathSciNet review: 0297846

Finite automorphic algebras over $GF(2)$

Fletcher Gross.
Proc. Amer. Math. Soc. 31 (1972), 10-14
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MathSciNet review: 0286856

More on the Schur subgroup

Murray M. Schacher.
Proc. Amer. Math. Soc. 31 (1972), 15-17
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MathSciNet review: 0291299

Localization of the zeros of the permanent of a characteristic matrix

P. M. Gibson.
Proc. Amer. Math. Soc. 31 (1972), 18-20
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MathSciNet review: 0291184

Localization in a principal right ideal domain

Raymond A. Beauregard.
Proc. Amer. Math. Soc. 31 (1972), 21-23
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MathSciNet review: 0291198

The functional equation of some Dirichlet series. II

Bruce C. Berndt.
Proc. Amer. Math. Soc. 31 (1972), 24-26
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MathSciNet review: 0285500

Modules over the endomorphism ring of a finitely generated projective module

F. L. Sandomierski.
Proc. Amer. Math. Soc. 31 (1972), 27-31
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MathSciNet review: 0288137

Constructing sequences of divided powers

Kenneth Newman.
Proc. Amer. Math. Soc. 31 (1972), 32-38
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MathSciNet review: 0289606

Invariant means on locally compact semigroups

James C. S. Wong.
Proc. Amer. Math. Soc. 31 (1972), 39-45
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MathSciNet review: 0289708

The generalized inverse of a nonnegative matrix

R. J. Plemmons and R. E. Cline.
Proc. Amer. Math. Soc. 31 (1972), 46-50
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MathSciNet review: 0285541

$2$-generator groups and parabolic class numbers

Morris Newman.
Proc. Amer. Math. Soc. 31 (1972), 51-53
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MathSciNet review: 0286896

Primary modules determined by indecomposable idempotent endomorphisms.

Robert W. Stringall.
Proc. Amer. Math. Soc. 31 (1972), 54-56
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MathSciNet review: 0285608

On elements with negative squares

Ralph DeMarr and Arthur Steger.
Proc. Amer. Math. Soc. 31 (1972), 57-60
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MathSciNet review: 0289390

A nonarchimedean theory of analytic continuation in several variables.

A. I. Thaler.
Proc. Amer. Math. Soc. 31 (1972), 61-66
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MathSciNet review: 0288318

Nakayama’s lemma for half-exact functors

Arthur Ogus and George Bergman.
Proc. Amer. Math. Soc. 31 (1972), 67-74
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MathSciNet review: 0302633

A note on finite dimensional subrings of polynomial rings

Paul Eakin.
Proc. Amer. Math. Soc. 31 (1972), 75-80
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MathSciNet review: 0289498

Minimal ideals in group rings

D. S. Passman.
Proc. Amer. Math. Soc. 31 (1972), 81-86
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MathSciNet review: 0291313

Group rings satisfying a polynomial identity. III

D. S. Passman.
Proc. Amer. Math. Soc. 31 (1972), 87-90
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MathSciNet review: 0289671

Morita duality for endomorphism rings

Robert W. Miller and Darrell R. Turnidge.
Proc. Amer. Math. Soc. 31 (1972), 91-94
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MathSciNet review: 0286847

A note on Lie-admissible nilalgebras

Hyo Chul Myung.
Proc. Amer. Math. Soc. 31 (1972), 95-96
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MathSciNet review: 0291230

Approximation of vector-valued continuous functions

Alan H. Shuchat.
Proc. Amer. Math. Soc. 31 (1972), 97-103
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MathSciNet review: 0290082

On almost periodic solutions for undamped systems with almost periodic forcing

George Seifert.
Proc. Amer. Math. Soc. 31 (1972), 104-108
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MathSciNet review: 0285772

On total nonnorming subspaces

William J. Davis and Joram Lindenstrauss.
Proc. Amer. Math. Soc. 31 (1972), 109-111
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MathSciNet review: 0288560

Global hypoellipticity and Liouville numbers

Stephen J. Greenfield and Nolan R. Wallach.
Proc. Amer. Math. Soc. 31 (1972), 112-114
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MathSciNet review: 0296508

Hypoelliptic vector fields and continued fractions

Stephen J. Greenfield.
Proc. Amer. Math. Soc. 31 (1972), 115-118
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MathSciNet review: 0301459

A remark on “pairs” of regular functions

James A. Jenkins.
Proc. Amer. Math. Soc. 31 (1972), 119-121
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MathSciNet review: 0291426

Bounded projections on Fourier-Stieltjes transforms

Charles F. Dunkl and Donald E. Ramirez.
Proc. Amer. Math. Soc. 31 (1972), 122-126
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MathSciNet review: 0288520

A nonprincipal invariant subspace of the Hardy space on the torus

Chester Alan Jacewicz.
Proc. Amer. Math. Soc. 31 (1972), 127-129
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MathSciNet review: 0287025

Continuous functions of Hermitian operators

P. R. Halmos.
Proc. Amer. Math. Soc. 31 (1972), 130-132
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MathSciNet review: 0288617

Remark on some integrals involving products of Whittaker functions

H. M. Srivastava.
Proc. Amer. Math. Soc. 31 (1972), 133-134
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MathSciNet review: 0306565

Some extensions of the Mehler formula

H. M. Srivastava and J. P. Singhal.
Proc. Amer. Math. Soc. 31 (1972), 135-141
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MathSciNet review: 0285738

Continuity and linearity of centralizers on a complemented algebra.

Parfeny P. Saworotnow and George R. Giellis.
Proc. Amer. Math. Soc. 31 (1972), 142-146
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MathSciNet review: 0288585

A Prüfer transformation for nonselfadjoint systems

Kurt Kreith.
Proc. Amer. Math. Soc. 31 (1972), 147-151
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MathSciNet review: 0293216

On a tauberian theorem of Wiener and Pitt

Harold G. Diamond.
Proc. Amer. Math. Soc. 31 (1972), 152-158
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MathSciNet review: 0294944

On the functional equation $𝜑(x)=g(x)𝜑(𝛽(x))+u(x)$

R. C. Buck.
Proc. Amer. Math. Soc. 31 (1972), 159-161
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MathSciNet review: 0308632

Interpolation in $H^{p}$ spaces

P. L. Duren and H. S. Shapiro.
Proc. Amer. Math. Soc. 31 (1972), 162-164
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MathSciNet review: 0289781

Quasiharmonic classification of Riemannian manifolds

Mitsuru Nakai and Leo Sario.
Proc. Amer. Math. Soc. 31 (1972), 165-169
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MathSciNet review: 0287488

On the bifurcation theory of semilinear elliptic eigenvalue problems

Charles V. Coffman.
Proc. Amer. Math. Soc. 31 (1972), 170-176
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MathSciNet review: 0306733

Some remarks on the Volterra operator

Ciprian Foiaş and J. P. Williams.
Proc. Amer. Math. Soc. 31 (1972), 177-184
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MathSciNet review: 0295126

On a factorization theorem of D. Lowdenslager

V. Mandrekar and H. Salehi.
Proc. Amer. Math. Soc. 31 (1972), 185-188
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MathSciNet review: 0287350

Note on the structure of fixed point sets of $1$-set-contractions

W. V. Petryshyn.
Proc. Amer. Math. Soc. 31 (1972), 189-194
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MathSciNet review: 0285944

Spaces on which each absolutely summing map is nuclear

D. R. Lewis.
Proc. Amer. Math. Soc. 31 (1972), 195-198
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MathSciNet review: 0312213

Oscillation theorems for second-order differential equations with functional arguments

Curtis C. Travis.
Proc. Amer. Math. Soc. 31 (1972), 199-202
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MathSciNet review: 0285789

Factorization and disconjugacy of third order differential equations

Anton Zettl.
Proc. Amer. Math. Soc. 31 (1972), 203-208
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MathSciNet review: 0296421

A remark on a stability theorem of M. Marachkoff

John R. Haddock.
Proc. Amer. Math. Soc. 31 (1972), 209-212
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MathSciNet review: 0288370

A note on two point boundary problems for nonlinear matrix differential systems

Garret J. Etgen.
Proc. Amer. Math. Soc. 31 (1972), 213-218
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MathSciNet review: 0289847

Periodic solutions for perturbed nonlinear differential equations. II.

T. G. Proctor.
Proc. Amer. Math. Soc. 31 (1972), 219-224
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MathSciNet review: 0289866

A new $ℓ_{1}$ estimate and a problem of Katznelson

D. J. Newman.
Proc. Amer. Math. Soc. 31 (1972), 225-227
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MathSciNet review: 0296588

The counting vector of a simple game

Eitan Lapidot.
Proc. Amer. Math. Soc. 31 (1972), 228-231
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MathSciNet review: 0287916

Metric transforms and the hyperbolic four-point property

Joseph E. Valentine and Stanley G. Wayment.
Proc. Amer. Math. Soc. 31 (1972), 232-234
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MathSciNet review: 0290254

Minimal surfaces in $S^{m}$ with Gauss curvature $≤0$

Bang-yen Chen.
Proc. Amer. Math. Soc. 31 (1972), 235-238
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MathSciNet review: 0286000

Equations in the theory of monadic algebras

Th. Lucas.
Proc. Amer. Math. Soc. 31 (1972), 239-244
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MathSciNet review: 0292655

The game quantifier

Yiannis N. Moschovakis.
Proc. Amer. Math. Soc. 31 (1972), 245-250
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MathSciNet review: 0286662

Equivalence-singularity dichotomies from zero-one laws

Raoul D. LePage and V. Mandrekar.
Proc. Amer. Math. Soc. 31 (1972), 251-254
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MathSciNet review: 0290442

On the level sets of a distance function in a Minkowski space

Ronald Gariepy and W. D. Pepe.
Proc. Amer. Math. Soc. 31 (1972), 255-259
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MathSciNet review: 0287442

A commutative diagram and an application to differentiable transformation groups

W. D. Curtis.
Proc. Amer. Math. Soc. 31 (1972), 260-264
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MathSciNet review: 0290389

The Wallman compactification is an epireflection

Douglas Harris.
Proc. Amer. Math. Soc. 31 (1972), 265-267
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MathSciNet review: 0288731

A metric characterization of zero-dimensional spaces

Ludvík Janoš.
Proc. Amer. Math. Soc. 31 (1972), 268-270
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MathSciNet review: 0288739

A strong homotopy axiom for Alexander cohomology

Kermit Sigmon.
Proc. Amer. Math. Soc. 31 (1972), 271-275
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MathSciNet review: 0287533

One-to-one mappings

Dix H. Pettey.
Proc. Amer. Math. Soc. 31 (1972), 276-278
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MathSciNet review: 0288735

Manifolds with few cells and the stable homotopy of spheres

Larry Smith.
Proc. Amer. Math. Soc. 31 (1972), 279-284
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MathSciNet review: 0296957

Ordered power associative groupoids

Desmond A. Robbie.
Proc. Amer. Math. Soc. 31 (1972), 285-290
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MathSciNet review: 0285662

Semi-local-connectedness and cut points in metric continua

E. D. Shirley.
Proc. Amer. Math. Soc. 31 (1972), 291-296
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MathSciNet review: 0286078

A note on fixed point free involutions and equivariant maps

Jack Ucci.
Proc. Amer. Math. Soc. 31 (1972), 297-298
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MathSciNet review: 0298656

Generalized positive linear functionals on a Banach algebra with an involution

Parfeny P. Saworotnow.
Proc. Amer. Math. Soc. 31 (1972), 299-304
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MathSciNet review: 0287321

Stable splitting of $K(G,1)$

Richard Holzsager.
Proc. Amer. Math. Soc. 31 (1972), 305-306
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MathSciNet review: 0287540

Some examples relating the deleted product to imbeddability

Brian R. Ummel.
Proc. Amer. Math. Soc. 31 (1972), 307-311
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MathSciNet review: 0290349

Local units in $L^{1}(G)$

G. F. Bachelis, W. A. Parker and K. A. Ross.
Proc. Amer. Math. Soc. 31 (1972), 312-313
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MathSciNet review: 0288598

A note on finitely additive set functions

D. Ramachandran.
Proc. Amer. Math. Soc. 31 (1972), 314-315
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MathSciNet review: 0285684

Algebraic solution of $x^{y}=y^{x}$ $(0<x<y)$

Daihachiro Sato.
Proc. Amer. Math. Soc. 31 (1972), 316
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MathSciNet review: 0288074