Contents of Volume 99, Number 1

All articles in this issue are freely accessible.

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Densities for ranks of certain parts of $p$-class groups

Frank Gerth.
Proc. Amer. Math. Soc. 99 (1987), 1-8
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MathSciNet review: 866419

A note on the unit group of $ZS_{3}$

P. J. Allen and C. Hobby.
Proc. Amer. Math. Soc. 99 (1987), 9-14
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MathSciNet review: 866420

Minimal degrees of faithful characters of finite groups with a T.I. Sylow $p$-subgroup

T. R. Berger, P. Landrock and G. O. Michler.
Proc. Amer. Math. Soc. 99 (1987), 15-21
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MathSciNet review: 866421

A short proof of Cauchy’s polygonal number theorem

Melvyn B. Nathanson.
Proc. Amer. Math. Soc. 99 (1987), 22-24
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MathSciNet review: 866422

On a theorem of Huneke concerning multiplicities

Liam O’Carroll.
Proc. Amer. Math. Soc. 99 (1987), 25-28
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MathSciNet review: 866423

An upper bound for the permanent of a $3$-dimensional $(0,1)$-matrix

Stephen J. Dow and Peter M. Gibson.
Proc. Amer. Math. Soc. 99 (1987), 29-34
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MathSciNet review: 866424

The Jantzen filtration of a certain class of Verma modules

Jong Min Ku.
Proc. Amer. Math. Soc. 99 (1987), 35-40
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MathSciNet review: 866425

The norm exponent in Galois extensions of number fields

Hans Opolka.
Proc. Amer. Math. Soc. 99 (1987), 41-43
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MathSciNet review: 866426

On analytic slit mappings in the class $Σ$

Yusuf Abu-Muhanna and Y. J. Leung.
Proc. Amer. Math. Soc. 99 (1987), 44-48
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MathSciNet review: 866427

Automatic continuity and openness of convex relations

J. M. Borwein.
Proc. Amer. Math. Soc. 99 (1987), 49-55
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MathSciNet review: 866428

Convolution estimates for some measures on curves

Daniel M. Oberlin.
Proc. Amer. Math. Soc. 99 (1987), 56-60
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MathSciNet review: 866429

A unified approach to uniqueness of Walsh series and Haar series

William R. Wade.
Proc. Amer. Math. Soc. 99 (1987), 61-65
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MathSciNet review: 866430

Best $L_{1}$-approximation with varying weights

András Kroó.
Proc. Amer. Math. Soc. 99 (1987), 66-70
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MathSciNet review: 866431

A remark on singular Calderón-Zygmund theory

Michael Christ and Elias M. Stein.
Proc. Amer. Math. Soc. 99 (1987), 71-75
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MathSciNet review: 866432

The fixed points of an analytic self-mapping

S. D. Fisher and John Franks.
Proc. Amer. Math. Soc. 99 (1987), 76-78
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MathSciNet review: 866433

Guiding functions and periodic solutions to functional-differential equations

Alessandro Fonda.
Proc. Amer. Math. Soc. 99 (1987), 79-85
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MathSciNet review: 866434

On the essential numerical range of a generalized derivation

Bojan Magajna.
Proc. Amer. Math. Soc. 99 (1987), 86-92
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MathSciNet review: 866435

Perturbations near zero of the leading coefficient of solutions to a nonlinear differential equation

Vadim Komkov.
Proc. Amer. Math. Soc. 99 (1987), 93-104
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MathSciNet review: 866436

Powers of generators of holomorphic semigroups

Ralph deLaubenfels.
Proc. Amer. Math. Soc. 99 (1987), 105-108
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MathSciNet review: 866437

On periodic solutions of nonlinear differential equations with singularities

A. C. Lazer and S. Solimini.
Proc. Amer. Math. Soc. 99 (1987), 109-114
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MathSciNet review: 866438

A mean ergodic theorem in Banach spaces

Takeshi Yoshimoto.
Proc. Amer. Math. Soc. 99 (1987), 115-118
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MathSciNet review: 866439

The analytic Radon-Nikodým property in Lebesgue Bochner function spaces

Patrick N. Dowling.
Proc. Amer. Math. Soc. 99 (1987), 119-122
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MathSciNet review: 866440

On differentiability of metric projections in $R^{n}$. I. Boundary case

Alexander Shapiro.
Proc. Amer. Math. Soc. 99 (1987), 123-128
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MathSciNet review: 866441

On unilateral and bilateral $n$th Peano derivatives

M. Laczkovich, D. Preiss and C. Weil.
Proc. Amer. Math. Soc. 99 (1987), 129-134
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MathSciNet review: 866442

Asymptotic behavior of the solutions of the second order difference equation

Andrzej Drozdowicz and Jerzy Popenda.
Proc. Amer. Math. Soc. 99 (1987), 135-140
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MathSciNet review: 866443

Limiting structures for sequences of linear fractional transformations

Lisa Jacobsen and W. J. Thron.
Proc. Amer. Math. Soc. 99 (1987), 141-146
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MathSciNet review: 866444

Pseudo-Riemannian metric singularities and the extendability of parallel transport

Marek Kossowski.
Proc. Amer. Math. Soc. 99 (1987), 147-154
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MathSciNet review: 866445

Exponentiation of reals: effects of base choice

R. Gurevič.
Proc. Amer. Math. Soc. 99 (1987), 155-162
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MathSciNet review: 866446

Orbits of creative subspaces

R. G. Downey.
Proc. Amer. Math. Soc. 99 (1987), 163-170
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MathSciNet review: 866455

Elementarily equivalent fields with inequivalent perfect closures

Carlos R. Videla.
Proc. Amer. Math. Soc. 99 (1987), 171-175
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MathSciNet review: 866447

On the cardinality of a compact $T_{1}$ space

Angelo Bella.
Proc. Amer. Math. Soc. 99 (1987), 176-178
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MathSciNet review: 866448

A note on the existence of $G$-maps between spheres

Stefan Waner.
Proc. Amer. Math. Soc. 99 (1987), 179-181
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MathSciNet review: 866449

Harmonic maps and a pinching theorem for positively curved hypersurfaces

H. S. Hu, Y. L. Pan and Y. B. Shen.
Proc. Amer. Math. Soc. 99 (1987), 182-186
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MathSciNet review: 866450

Invariants for families of Brieskorn varieties

Terry Lawson.
Proc. Amer. Math. Soc. 99 (1987), 187-192
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MathSciNet review: 866451

The Stone-Čech compactification, the Stone-Čech remainder, and the regular Wallman property

Takashi Kimura.
Proc. Amer. Math. Soc. 99 (1987), 193-198
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MathSciNet review: 866452

An estimate for the variance of a bounded measurable random variable

M. M. Chawla and S. Gopalsamy.
Proc. Amer. Math. Soc. 99 (1987), 199-200
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MathSciNet review: 866453

Finite generation of certain subrings

John Fogarty.
Proc. Amer. Math. Soc. 99 (1987), 201-204
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MathSciNet review: 866454