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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

Contents of Volume 31, Number 1

All articles in this issue are freely accessible.
View front matter and back matter from the print issue of this journal View front and back matter from the print issue
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
Abstract, references and article information
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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