Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Contents of Volume 50, Number 1
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Malcev algebras with $J_{2}$-potent radical: Ernest L. Stitzinger PDF; Proc. Amer. Math. Soc. 50 (1975), 1-9

A nonembedding theorem for algebras: Ernest L. Stitzinger PDF; Proc. Amer. Math. Soc. 50 (1975), 10-13

Defining normal subgroups of unipotent algebraic groups: A. Fauntleroy PDF; Proc. Amer. Math. Soc. 50 (1975), 14-19

Some properties of quadratic words in free groups: Charles C. Edmunds PDF; Proc. Amer. Math. Soc. 50 (1975), 20-22

Injective modules under flat base change: Hans-Bjørn Foxby PDF; Proc. Amer. Math. Soc. 50 (1975), 23-27

Locally finite ring varieties: Awad A. Iskander PDF; Proc. Amer. Math. Soc. 50 (1975), 28-32

Stability: index and order in the Brauer group: Lawrence J. Risman PDF; Proc. Amer. Math. Soc. 50 (1975), 33-39

Existence and conjugacy of Cartan subalgebras of Jordan algebras: Ottmar Loos PDF; Proc. Amer. Math. Soc. 50 (1975), 40-44

On Serre’s problem on projective modules: Moshe Roitman PDF; Proc. Amer. Math. Soc. 50 (1975), 45-52

Homological algebra in topoi: D. H. Van Osdol PDF; Proc. Amer. Math. Soc. 50 (1975), 52-54

Morita contexts of enriched categories: J. Fisher-Palmquist and P. H. Palmquist PDF; Proc. Amer. Math. Soc. 50 (1975), 55-60

The Brauer group of a closed category: J. Fisher-Palmquist PDF; Proc. Amer. Math. Soc. 50 (1975), 61-67

A mean value formula for the spin group: Lawrence Verner PDF; Proc. Amer. Math. Soc. 50 (1975), 68-72

Semilocal domains whose finitely generated modules are direct sums of cyclics: Sylvia Wiegand PDF; Proc. Amer. Math. Soc. 50 (1975), 73-76

The $GE_{2}$ property for discrete subrings of $\textbf {C}$: R. Keith Dennis PDF; Proc. Amer. Math. Soc. 50 (1975), 77-82

Binomial $\lambda$-rings and a topological corollary: Donald Knutson PDF; Proc. Amer. Math. Soc. 50 (1975), 83-84

Powers of matrices with positive definite real part: Charles R. Johnson PDF; Proc. Amer. Math. Soc. 50 (1975), 85-91

Note on rings of finite representation type and decompositions of modules: K. R. Fuller and Idun Reiten PDF; Proc. Amer. Math. Soc. 50 (1975), 92-94

A fixed point criterion for linear reductivity: Peter Norman PDF; Proc. Amer. Math. Soc. 50 (1975), 95-96

On some rings whose modules have maximal submodules: V. P. Camillo PDF; Proc. Amer. Math. Soc. 50 (1975), 97-100

A distribution property for linear recurrence of the second order: R. T. Bumby PDF; Proc. Amer. Math. Soc. 50 (1975), 101-106

Right group congruences on a semigroup: Francis E. Masat PDF; Proc. Amer. Math. Soc. 50 (1975), 107-114

Extensions of abelian groups of finite rank: S. A. Khabbaz and E. H. Toubassi PDF; Proc. Amer. Math. Soc. 50 (1975), 115-120

Complete intersection manifolds with extremal Euler-Poincaré characteristics: Bang-yen Chen and Koichi Ogiue PDF; Proc. Amer. Math. Soc. 50 (1975), 121-126

A note on symmetric functions in Formanek polynomials: Shmuel Rosset PDF; Proc. Amer. Math. Soc. 50 (1975), 127-130

The differential equation $\Delta x=2H(x_{u}\wedge x_{v})$ with vanishing boundary values: Henry C. Wente PDF; Proc. Amer. Math. Soc. 50 (1975), 131-137

An asymptotic Fuglede theorem: Robert Moore PDF; Proc. Amer. Math. Soc. 50 (1975), 138-142

Fixed point theorems for nonexpansive mappings satisfying certain boundary conditions: W. A. Kirk PDF; Proc. Amer. Math. Soc. 50 (1975), 143-149

Some fixed point theorems for condensing multifunctions in locally convex spaces: C. H. Su and V. M. Sehgal PDF; Proc. Amer. Math. Soc. 50 (1975), 150-154

Conformal mappings and the distortion of moduli of rectangles: Bruce Palka PDF; Proc. Amer. Math. Soc. 50 (1975), 155-161

The Carathéodory metric of the annulus: R. R. Simha PDF; Proc. Amer. Math. Soc. 50 (1975), 162-166

On the limit of block Toeplitz determinants: Harold Widom PDF; Proc. Amer. Math. Soc. 50 (1975), 167-173

Rudin varieties in products of two annuli: Sergio E. Zarantonello PDF; Proc. Amer. Math. Soc. 50 (1975), 174-178

Criteria for absolute convergence of Fourier series: Nicolas Artémiadis PDF; Proc. Amer. Math. Soc. 50 (1975), 179-183

On characterizations of inner product spaces: Detlef Laugwitz PDF; Proc. Amer. Math. Soc. 50 (1975), 184-188

A perturbation theorem for partial differential operators: R. Saeks and M. Strauss PDF; Proc. Amer. Math. Soc. 50 (1975), 189-197

Growth of Haar series on the dyadic rationals and uniqueness: William R. Wade PDF; Proc. Amer. Math. Soc. 50 (1975), 198-201

$L_{p, q}$ modulars: Hidegoro Nakano PDF; Proc. Amer. Math. Soc. 50 (1975), 201-204

On a method of solving the initial value problem for the wave equation: Tosihusa Kimura and Yasutaka Sibuya PDF; Proc. Amer. Math. Soc. 50 (1975), 205-215

A bound-two isomorphism between $C(X)$ Banach spaces: H. B. Cohen PDF; Proc. Amer. Math. Soc. 50 (1975), 215-217

The spectrum of some special elements in the free Banach algebra: Abdullah H. Al-Moajil PDF; Proc. Amer. Math. Soc. 50 (1975), 218-222

Arens regularity of certain Banach algebras which are ideals of a Banach algebra: Sheila A. McKilligan PDF; Proc. Amer. Math. Soc. 50 (1975), 223-229

On a nonlinear elliptic boundary value problem: Nguyên Phuong Các PDF; Proc. Amer. Math. Soc. 50 (1975), 230-236

Convergent nets of parabolic and generalized superparabolic functions: Neil A. Eklund PDF; Proc. Amer. Math. Soc. 50 (1975), 237-243

Parabolic Green functions in open sets: Neil A. Eklund PDF; Proc. Amer. Math. Soc. 50 (1975), 244-248

On entire conformal mappings of simply connected regions: Roy W. Pengra PDF; Proc. Amer. Math. Soc. 50 (1975), 249-254

On quasinormal Toeplitz operators: Ichiro Amemiya, Takashi Ito and Tin Kin Wong PDF; Proc. Amer. Math. Soc. 50 (1975), 254-258

Jacobi polynomial sums and univalent Cesàro means: J. Bustoz PDF; Proc. Amer. Math. Soc. 50 (1975), 259-264

An elementary invariant definition of the functions of bidegree $(p,q)$: Michael Freeman PDF; Proc. Amer. Math. Soc. 50 (1975), 265-272

Exponential solutions of $y^{”}+(r-q)y=0$ and the least eigenvalue of Hill’s equation: Thomas T. Read PDF; Proc. Amer. Math. Soc. 50 (1975), 273-280

Multipliers and duality in $A^{\ast }$-algebras: Bohdan J. Tomiuk PDF; Proc. Amer. Math. Soc. 50 (1975), 281-288

Sufficient conditions for nonoscillation of a second order nonlinear differential equation: John R. Graef and Paul W. Spikes PDF; Proc. Amer. Math. Soc. 50 (1975), 289-292

Markuševič bases in some dual spaces: K. John and V. Zizler PDF; Proc. Amer. Math. Soc. 50 (1975), 293-296

Maximal singular integral transforms on local fields: Jia Arng Chao PDF; Proc. Amer. Math. Soc. 50 (1975), 297-302

Note on the joint spectrum of the Wiener-Hopf operators: Jan Janas PDF; Proc. Amer. Math. Soc. 50 (1975), 303-308

An everywhere divergent Fourier-Walsh series of the class $L(\textrm {log}^{+}\textrm {log}^{+}L)^{1-\varepsilon }$: K. H. Moon PDF; Proc. Amer. Math. Soc. 50 (1975), 309-314

A $2$-parameter Chebyshev set which is not a sun: Charles B. Dunham PDF; Proc. Amer. Math. Soc. 50 (1975), 315-316

A representation characterization theorem: William D. L. Appling PDF; Proc. Amer. Math. Soc. 50 (1975), 317-321

Concerning the Hahn-Banach theorem: John A. R. Holbrook PDF; Proc. Amer. Math. Soc. 50 (1975), 322-327

A characterization of quasicircles: Donald K. Blevins and Bruce P. Palka PDF; Proc. Amer. Math. Soc. 50 (1975), 328-331

Confusion in the Garden of Eden: Sven Skyum PDF; Proc. Amer. Math. Soc. 50 (1975), 332-336

Local Euclidean four-point properties which characterize inner-product spaces: J. E. Valentine and S. G. Wayment PDF; Proc. Amer. Math. Soc. 50 (1975), 337-343

Chebyshev constant for centered sets: Susan L. Friedman PDF; Proc. Amer. Math. Soc. 50 (1975), 344-350

Replacing convex sets by polytopes: S. Gallivan and J. Zaks PDF; Proc. Amer. Math. Soc. 50 (1975), 351-357

A rank theorem for infinite dimensional spaces: J. P. Holmes PDF; Proc. Amer. Math. Soc. 50 (1975), 358-364

Zonoids whose polars are zonoids: Rolf Schneider PDF; Proc. Amer. Math. Soc. 50 (1975), 365-368

The model companion of $\textrm {ZF}$: Joram Hirschfeld PDF; Proc. Amer. Math. Soc. 50 (1975), 369-374

When is Jones’ space normal?: William G. Fleissner PDF; Proc. Amer. Math. Soc. 50 (1975), 375-378

On a conjecture of Gross: Hui Hsiung Kuo PDF; Proc. Amer. Math. Soc. 50 (1975), 379-382

Record times: J. Galambos and E. Seneta PDF; Proc. Amer. Math. Soc. 50 (1975), 383-387

Noncontinuity of topological entropy of maps of the Cantor set and of the interval: Louis Block PDF; Proc. Amer. Math. Soc. 50 (1975), 388-393

The number of multiplications on $H$-spaces of type $(3, 7)$: M. Arkowitz, C. P. Murley and A. O. Shar PDF; Proc. Amer. Math. Soc. 50 (1975), 394-398

Homotopy smoothing certain PL-manifolds: James A. Schafer PDF; Proc. Amer. Math. Soc. 50 (1975), 399-402

The intersection multiplicity of $n$-dimensional paracompact spaces: Glenn P. Weller PDF; Proc. Amer. Math. Soc. 50 (1975), 402-404

$\theta$-refinability and local properties: J. M. Atkins and R. F. Gittings PDF; Proc. Amer. Math. Soc. 50 (1975), 405-411

A characterization of real-compactness: Li Pi Su PDF; Proc. Amer. Math. Soc. 50 (1975), 412-418

A new dimension function: J. M. Aarts PDF; Proc. Amer. Math. Soc. 50 (1975), 419-425

Dense subsets of $\beta X$: R. Levy and R. H. McDowell PDF; Proc. Amer. Math. Soc. 50 (1975), 426-430

First category function spaces under the topology of pointwise convergence: R. A. McCoy PDF; Proc. Amer. Math. Soc. 50 (1975), 431-434

Hypocontinuity of multiplication on the Clifford algebra of an infinite-dimensional topological vector space: Robert A. Haberstroh PDF; Proc. Amer. Math. Soc. 50 (1975), 435-442

A characterization of primitive bases: H. H. Wicke and J. M. Worrell PDF; Proc. Amer. Math. Soc. 50 (1975), 443-450

Homogeneous spaces with vanishing Steenrod squaring operations: Victor Schneider PDF; Proc. Amer. Math. Soc. 50 (1975), 451-458

Obstruction formulas and almost-complex manifolds: Robert D. Little PDF; Proc. Amer. Math. Soc. 50 (1975), 459-462

Cantor sets and homotopy connectedness of manifolds: David G. Wright PDF; Proc. Amer. Math. Soc. 50 (1975), 463-470

Homotopy epimorphisms and Lusternik-Schnirelmann category: James A. Draper PDF; Proc. Amer. Math. Soc. 50 (1975), 471-476

Topological spaces that are $\alpha$-favorable for a player with perfect information: H. E. White PDF; Proc. Amer. Math. Soc. 50 (1975), 477-482

Compact completely $0$-simple semitopological semigroups: John F. Berglund PDF; Proc. Amer. Math. Soc. 50 (1975), 483-488

Localizations and evaluation subgroups: George E. Lang PDF; Proc. Amer. Math. Soc. 50 (1975), 489-494

Properties of continuous expansions: Carlos R. Borges PDF; Proc. Amer. Math. Soc. 50 (1975), 495-499

On the number of Hamiltonian circuits in the $n$-cube: E. Dixon and S. Goodman PDF; Proc. Amer. Math. Soc. 50 (1975), 500-504

Erratum: Counting patterns with a given automorphism group: Dennis E. White PDF; Proc. Amer. Math. Soc. 50 (1975), 504