Contents of Volume 50, Number 1

All articles in this issue are freely accessible.

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Malcev algebras with $J_{2}$-potent radical

Ernest L. Stitzinger.
Proc. Amer. Math. Soc. 50 (1975), 1-9
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MathSciNet review: 0374224

A nonembedding theorem for algebras

Ernest L. Stitzinger.
Proc. Amer. Math. Soc. 50 (1975), 10-13
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MathSciNet review: 0374201

Defining normal subgroups of unipotent algebraic groups

A. Fauntleroy.
Proc. Amer. Math. Soc. 50 (1975), 14-19
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MathSciNet review: 0409674

Some properties of quadratic words in free groups

Charles C. Edmunds.
Proc. Amer. Math. Soc. 50 (1975), 20-22
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MathSciNet review: 0372048

Injective modules under flat base change

Hans-Bjørn Foxby.
Proc. Amer. Math. Soc. 50 (1975), 23-27
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MathSciNet review: 0409439

Locally finite ring varieties

Awad A. Iskander.
Proc. Amer. Math. Soc. 50 (1975), 28-32
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MathSciNet review: 0369428

Stability: index and order in the Brauer group

Lawrence J. Risman.
Proc. Amer. Math. Soc. 50 (1975), 33-39
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MathSciNet review: 0379442

Existence and conjugacy of Cartan subalgebras of Jordan algebras

Ottmar Loos.
Proc. Amer. Math. Soc. 50 (1975), 40-44
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MathSciNet review: 0369460

On Serre’s problem on projective modules

Moshe Roitman.
Proc. Amer. Math. Soc. 50 (1975), 45-52
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MathSciNet review: 0387266

Homological algebra in topoi

D. H. Van Osdol.
Proc. Amer. Math. Soc. 50 (1975), 52-54
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MathSciNet review: 0369481

Morita contexts of enriched categories

J. Fisher-Palmquist and P. H. Palmquist.
Proc. Amer. Math. Soc. 50 (1975), 55-60
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MathSciNet review: 0419559

The Brauer group of a closed category

J. Fisher-Palmquist.
Proc. Amer. Math. Soc. 50 (1975), 61-67
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MathSciNet review: 0393195

A mean value formula for the spin group

Lawrence Verner.
Proc. Amer. Math. Soc. 50 (1975), 68-72
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MathSciNet review: 0382168

Semilocal domains whose finitely generated modules are direct sums of cyclics

Sylvia Wiegand.
Proc. Amer. Math. Soc. 50 (1975), 73-76
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MathSciNet review: 0369354

The $GE_{2}$ property for discrete subrings of $C$

R. Keith Dennis.
Proc. Amer. Math. Soc. 50 (1975), 77-82
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MathSciNet review: 0376891

Binomial $𝜆$-rings and a topological corollary

Donald Knutson.
Proc. Amer. Math. Soc. 50 (1975), 83-84
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MathSciNet review: 0377881

Powers of matrices with positive definite real part

Charles R. Johnson.
Proc. Amer. Math. Soc. 50 (1975), 85-91
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MathSciNet review: 0369395

Note on rings of finite representation type and decompositions of modules

K. R. Fuller and Idun Reiten.
Proc. Amer. Math. Soc. 50 (1975), 92-94
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MathSciNet review: 0376768

A fixed point criterion for linear reductivity

Peter Norman.
Proc. Amer. Math. Soc. 50 (1975), 95-96
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MathSciNet review: 0369377

On some rings whose modules have maximal submodules

V. P. Camillo.
Proc. Amer. Math. Soc. 50 (1975), 97-100
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MathSciNet review: 0382343

A distribution property for linear recurrence of the second order

R. T. Bumby.
Proc. Amer. Math. Soc. 50 (1975), 101-106
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MathSciNet review: 0369240

Right group congruences on a semigroup

Francis E. Masat.
Proc. Amer. Math. Soc. 50 (1975), 107-114
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MathSciNet review: 0372085

Extensions of abelian groups of finite rank

S. A. Khabbaz and E. H. Toubassi.
Proc. Amer. Math. Soc. 50 (1975), 115-120
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MathSciNet review: 0372073

Complete intersection manifolds with extremal Euler-Poincaré characteristics

Bang-yen Chen and Koichi Ogiue.
Proc. Amer. Math. Soc. 50 (1975), 121-126
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MathSciNet review: 0404275

A note on symmetric functions in Formanek polynomials

Shmuel Rosset.
Proc. Amer. Math. Soc. 50 (1975), 127-130
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MathSciNet review: 0366969

The differential equation $Δx=2H(x_{u}∧x_{v})$ with vanishing boundary values

Henry C. Wente.
Proc. Amer. Math. Soc. 50 (1975), 131-137
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MathSciNet review: 0374673

An asymptotic Fuglede theorem

Robert Moore.
Proc. Amer. Math. Soc. 50 (1975), 138-142
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MathSciNet review: 0370247

Fixed point theorems for nonexpansive mappings satisfying certain boundary conditions

W. A. Kirk.
Proc. Amer. Math. Soc. 50 (1975), 143-149
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MathSciNet review: 0380527

Some fixed point theorems for condensing multifunctions in locally convex spaces

C. H. Su and V. M. Sehgal.
Proc. Amer. Math. Soc. 50 (1975), 150-154
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MathSciNet review: 0380530

Conformal mappings and the distortion of moduli of rectangles

Bruce Palka.
Proc. Amer. Math. Soc. 50 (1975), 155-161
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MathSciNet review: 0369693

The Carathéodory metric of the annulus

R. R. Simha.
Proc. Amer. Math. Soc. 50 (1975), 162-166
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MathSciNet review: 0379831

On the limit of block Toeplitz determinants

Harold Widom.
Proc. Amer. Math. Soc. 50 (1975), 167-173
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MathSciNet review: 0370254

Rudin varieties in products of two annuli

Sergio E. Zarantonello.
Proc. Amer. Math. Soc. 50 (1975), 174-178
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MathSciNet review: 0379885

Criteria for absolute convergence of Fourier series

Nicolas Artémiadis.
Proc. Amer. Math. Soc. 50 (1975), 179-183
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MathSciNet review: 0377398

On characterizations of inner product spaces

Detlef Laugwitz.
Proc. Amer. Math. Soc. 50 (1975), 184-188
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MathSciNet review: 0374873

A perturbation theorem for partial differential operators

R. Saeks and M. Strauss.
Proc. Amer. Math. Soc. 50 (1975), 189-197
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MathSciNet review: 0634816

Growth of Haar series on the dyadic rationals and uniqueness

William R. Wade.
Proc. Amer. Math. Soc. 50 (1975), 198-201
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MathSciNet review: 0380254

$L_{p,q}$ modulars

Hidegoro Nakano.
Proc. Amer. Math. Soc. 50 (1975), 201-204
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MathSciNet review: 0370143

On a method of solving the initial value problem for the wave equation

Tosihusa Kimura and Yasutaka Sibuya.
Proc. Amer. Math. Soc. 50 (1975), 205-215
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MathSciNet review: 0369879

A bound-two isomorphism between $C(X)$ Banach spaces

H. B. Cohen.
Proc. Amer. Math. Soc. 50 (1975), 215-217
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MathSciNet review: 0380379

The spectrum of some special elements in the free Banach algebra

Abdullah H. Al-Moajil.
Proc. Amer. Math. Soc. 50 (1975), 218-222
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MathSciNet review: 0370191

Arens regularity of certain Banach algebras which are ideals of a Banach algebra

Sheila A. McKilligan.
Proc. Amer. Math. Soc. 50 (1975), 223-229
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MathSciNet review: 0372617

On a nonlinear elliptic boundary value problem

Nguyên Phuong Các.
Proc. Amer. Math. Soc. 50 (1975), 230-236
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MathSciNet review: 0369911

Convergent nets of parabolic and generalized superparabolic functions

Neil A. Eklund.
Proc. Amer. Math. Soc. 50 (1975), 237-243
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MathSciNet review: 0509707

Parabolic Green functions in open sets

Neil A. Eklund.
Proc. Amer. Math. Soc. 50 (1975), 244-248
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MathSciNet review: 0509708

On entire conformal mappings of simply connected regions

Roy W. Pengra.
Proc. Amer. Math. Soc. 50 (1975), 249-254
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MathSciNet review: 0385080

On quasinormal Toeplitz operators

Ichiro Amemiya, Takashi Ito and Tin Kin Wong.
Proc. Amer. Math. Soc. 50 (1975), 254-258
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MathSciNet review: 0410451

Jacobi polynomial sums and univalent Cesàro means

J. Bustoz.
Proc. Amer. Math. Soc. 50 (1975), 259-264
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MathSciNet review: 0369685

An elementary invariant definition of the functions of bidegree $(p,q)$

Michael Freeman.
Proc. Amer. Math. Soc. 50 (1975), 265-272
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MathSciNet review: 0374469

Exponential solutions of $y^{”}+(r-q)y=0$ and the least eigenvalue of Hill’s equation

Thomas T. Read.
Proc. Amer. Math. Soc. 50 (1975), 273-280
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MathSciNet review: 0377184

Multipliers and duality in $A^{∗} $-algebras

Bohdan J. Tomiuk.
Proc. Amer. Math. Soc. 50 (1975), 281-288
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MathSciNet review: 0372627

Sufficient conditions for nonoscillation of a second order nonlinear differential equation

John R. Graef and Paul W. Spikes.
Proc. Amer. Math. Soc. 50 (1975), 289-292
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MathSciNet review: 0369808

Markuševič bases in some dual spaces

K. John and V. Zizler.
Proc. Amer. Math. Soc. 50 (1975), 293-296
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MathSciNet review: 0370140

Maximal singular integral transforms on local fields

Jia Arng Chao.
Proc. Amer. Math. Soc. 50 (1975), 297-302
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MathSciNet review: 0374827

Note on the joint spectrum of the Wiener-Hopf operators

Jan Janas.
Proc. Amer. Math. Soc. 50 (1975), 303-308
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MathSciNet review: 0374977

An everywhere divergent Fourier-Walsh series of the class $L(log^{+}log^{+}L)^{1-𝜖}$

K. H. Moon.
Proc. Amer. Math. Soc. 50 (1975), 309-314
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MathSciNet review: 0377406

A $2$-parameter Chebyshev set which is not a sun

Charles B. Dunham.
Proc. Amer. Math. Soc. 50 (1975), 315-316
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MathSciNet review: 0402369

A representation characterization theorem

William D. L. Appling.
Proc. Amer. Math. Soc. 50 (1975), 317-321
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MathSciNet review: 0369643

Concerning the Hahn-Banach theorem

John A. R. Holbrook.
Proc. Amer. Math. Soc. 50 (1975), 322-327
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MathSciNet review: 0370139

A characterization of quasicircles

Donald K. Blevins and Bruce P. Palka.
Proc. Amer. Math. Soc. 50 (1975), 328-331
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MathSciNet review: 0430235

Confusion in the Garden of Eden

Sven Skyum.
Proc. Amer. Math. Soc. 50 (1975), 332-336
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MathSciNet review: 0386350

Local Euclidean four-point properties which characterize inner-product spaces

J. E. Valentine and S. G. Wayment.
Proc. Amer. Math. Soc. 50 (1975), 337-343
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MathSciNet review: 0370375

Chebyshev constant for centered sets

Susan L. Friedman.
Proc. Amer. Math. Soc. 50 (1975), 344-350
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MathSciNet review: 0370015

Replacing convex sets by polytopes

S. Gallivan and J. Zaks.
Proc. Amer. Math. Soc. 50 (1975), 351-357
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MathSciNet review: 0380627

A rank theorem for infinite dimensional spaces

J. P. Holmes.
Proc. Amer. Math. Soc. 50 (1975), 358-364
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MathSciNet review: 0383452

Zonoids whose polars are zonoids

Rolf Schneider.
Proc. Amer. Math. Soc. 50 (1975), 365-368
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MathSciNet review: 0470857

The model companion of $ZF$

Joram Hirschfeld.
Proc. Amer. Math. Soc. 50 (1975), 369-374
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MathSciNet review: 0376332

When is Jones’ space normal?

William G. Fleissner.
Proc. Amer. Math. Soc. 50 (1975), 375-378
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MathSciNet review: 0394583

On a conjecture of Gross

Hui Hsiung Kuo.
Proc. Amer. Math. Soc. 50 (1975), 379-382
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MathSciNet review: 0370757

Record times

J. Galambos and E. Seneta.
Proc. Amer. Math. Soc. 50 (1975), 383-387
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MathSciNet review: 0368111

Noncontinuity of topological entropy of maps of the Cantor set and of the interval

Louis Block.
Proc. Amer. Math. Soc. 50 (1975), 388-393
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MathSciNet review: 0367953

The number of multiplications on $H$-spaces of type $(3,7)$

M. Arkowitz, C. P. Murley and A. O. Shar.
Proc. Amer. Math. Soc. 50 (1975), 394-398
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MathSciNet review: 0367992

Homotopy smoothing certain PL-manifolds

James A. Schafer.
Proc. Amer. Math. Soc. 50 (1975), 399-402
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MathSciNet review: 0368020

The intersection multiplicity of $n$-dimensional paracompact spaces

Glenn P. Weller.
Proc. Amer. Math. Soc. 50 (1975), 402-404
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MathSciNet review: 0372822

$𝜃$-refinability and local properties

J. M. Atkins and R. F. Gittings.
Proc. Amer. Math. Soc. 50 (1975), 405-411
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MathSciNet review: 0375229

A characterization of real-compactness

Li Pi Su.
Proc. Amer. Math. Soc. 50 (1975), 412-418
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MathSciNet review: 0391017

A new dimension function

J. M. Aarts.
Proc. Amer. Math. Soc. 50 (1975), 419-425
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MathSciNet review: 0370530

Dense subsets of $𝛽X$

R. Levy and R. H. McDowell.
Proc. Amer. Math. Soc. 50 (1975), 426-430
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MathSciNet review: 0370506

First category function spaces under the topology of pointwise convergence

R. A. McCoy.
Proc. Amer. Math. Soc. 50 (1975), 431-434
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MathSciNet review: 0370485

Hypocontinuity of multiplication on the Clifford algebra of an infinite-dimensional topological vector space

Robert A. Haberstroh.
Proc. Amer. Math. Soc. 50 (1975), 435-442
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MathSciNet review: 0379547

A characterization of primitive bases

H. H. Wicke and J. M. Worrell.
Proc. Amer. Math. Soc. 50 (1975), 443-450
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MathSciNet review: 0425922

Homogeneous spaces with vanishing Steenrod squaring operations

Victor Schneider.
Proc. Amer. Math. Soc. 50 (1975), 451-458
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MathSciNet review: 0405470

Obstruction formulas and almost-complex manifolds

Robert D. Little.
Proc. Amer. Math. Soc. 50 (1975), 459-462
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MathSciNet review: 0391116

Cantor sets and homotopy connectedness of manifolds

David G. Wright.
Proc. Amer. Math. Soc. 50 (1975), 463-470
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MathSciNet review: 0370594

Homotopy epimorphisms and Lusternik-Schnirelmann category

James A. Draper.
Proc. Amer. Math. Soc. 50 (1975), 471-476
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MathSciNet review: 0367983

Topological spaces that are $𝛼$-favorable for a player with perfect information

H. E. White.
Proc. Amer. Math. Soc. 50 (1975), 477-482
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MathSciNet review: 0367941

Compact completely $0$-simple semitopological semigroups

John F. Berglund.
Proc. Amer. Math. Soc. 50 (1975), 483-488
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MathSciNet review: 0369598

Localizations and evaluation subgroups

George E. Lang.
Proc. Amer. Math. Soc. 50 (1975), 489-494
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MathSciNet review: 0367986

Properties of continuous expansions

Carlos R. Borges.
Proc. Amer. Math. Soc. 50 (1975), 495-499
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MathSciNet review: 0370523

On the number of Hamiltonian circuits in the $n$-cube

E. Dixon and S. Goodman.
Proc. Amer. Math. Soc. 50 (1975), 500-504
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MathSciNet review: 0369157

Erratum: Counting patterns with a given automorphism group

Dennis E. White.
Proc. Amer. Math. Soc. 50 (1975), 504
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