Contents of Volume 118, Number 3

All articles in this issue are freely accessible.

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The structure of some right Noetherian rings with Krull dimension one

C. L. Wangneo.
Proc. Amer. Math. Soc. 118 (1993), 677-680
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MathSciNet review: 1127145

Fixed points of finite groups of free group automorphisms

Tad White.
Proc. Amer. Math. Soc. 118 (1993), 681-688
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MathSciNet review: 1164152

Is a semidirect product of groups necessarily a group?

Gary F. Birkenmeier, C. Brad Davis, Kevin J. Reeves and Sihai Xiao.
Proc. Amer. Math. Soc. 118 (1993), 689-692
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MathSciNet review: 1157998

The Cayley graphs of Coxeter and Artin groups

Carl Droms and Herman Servatius.
Proc. Amer. Math. Soc. 118 (1993), 693-698
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MathSciNet review: 1140668

On maximal $k$-ideals of semirings

M. K. Sen and M. R. Adhikari.
Proc. Amer. Math. Soc. 118 (1993), 699-703
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MathSciNet review: 1132423

A remark on curves covered by coverings

Marc Coppens.
Proc. Amer. Math. Soc. 118 (1993), 705-708
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MathSciNet review: 1131033

A simple formula for cyclic duality

A. D. Elmendorf.
Proc. Amer. Math. Soc. 118 (1993), 709-711
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MathSciNet review: 1143017

The even $C^{*}$ Clifford algebra

P. L. Robinson.
Proc. Amer. Math. Soc. 118 (1993), 713-714
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MathSciNet review: 1131039

An optimization of the Besicovitch covering

Peter A. Loeb.
Proc. Amer. Math. Soc. 118 (1993), 715-716
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MathSciNet review: 1132415

A sharp bound for the regularity index of fat points in general position

M. V. Catalisano, N. V. Trung and G. Valla.
Proc. Amer. Math. Soc. 118 (1993), 717-724
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MathSciNet review: 1146859

Homogenized $\mathfrak{sl}(2)$

Lieven Le Bruyn and S. P. Smith.
Proc. Amer. Math. Soc. 118 (1993), 725-730
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MathSciNet review: 1136235

An Engel condition with derivation

Charles Lanski.
Proc. Amer. Math. Soc. 118 (1993), 731-734
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MathSciNet review: 1132851

An application of set theory to the torsion product of abelian groups

Patrick Keef.
Proc. Amer. Math. Soc. 118 (1993), 735-738
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MathSciNet review: 1146863

A note on Hilbert’s Theorem 90

Bao-Ping Jia and Larry Santoni.
Proc. Amer. Math. Soc. 118 (1993), 739-744
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MathSciNet review: 1151813

Free and locally free arrangements with a given intersection lattice

Sergey Yuzvinsky.
Proc. Amer. Math. Soc. 118 (1993), 745-752
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MathSciNet review: 1160307

On the number of $DTr$-orbits containing directing modules

Lian Gang Peng and Jie Xiao.
Proc. Amer. Math. Soc. 118 (1993), 753-756
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MathSciNet review: 1135078

Homological invariants of powers of an ideal

Vijay Kodiyalam.
Proc. Amer. Math. Soc. 118 (1993), 757-764
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MathSciNet review: 1156471

$C^{∗}$-extreme points of some compact $C^{∗}$-convex sets

D. R. Farenick and Phillip B. Morenz.
Proc. Amer. Math. Soc. 118 (1993), 765-775
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MathSciNet review: 1139466

The fat locus of Hilbert schemes of points

Marc Coppens.
Proc. Amer. Math. Soc. 118 (1993), 777-783
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MathSciNet review: 1145416

On duals of smooth plane curves

Masaaki Homma.
Proc. Amer. Math. Soc. 118 (1993), 785-790
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MathSciNet review: 1143223

Restrictions to continuous functions and Boolean algebras

Ireneusz Recław.
Proc. Amer. Math. Soc. 118 (1993), 791-796
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MathSciNet review: 1152289

Crinkled functions and intersections with polynomials

A. M. Fink.
Proc. Amer. Math. Soc. 118 (1993), 797-799
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MathSciNet review: 1132411

The characteristic exponent of second-order linear differential equations with two irregular singular points

Wolfgang Bühring.
Proc. Amer. Math. Soc. 118 (1993), 801-812
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MathSciNet review: 1169022

An oscillation criterion for a forced second order linear differential equation

M. A. El-Sayed.
Proc. Amer. Math. Soc. 118 (1993), 813-817
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MathSciNet review: 1154243

A fixed point theorem in non-Archimedean vector spaces

C. Petalas and T. Vidalis.
Proc. Amer. Math. Soc. 118 (1993), 819-821
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MathSciNet review: 1132421

Simplicity of crossed products of $C^{*}$-algebras

Sun Young Jang and Sa Ge Lee.
Proc. Amer. Math. Soc. 118 (1993), 823-826
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MathSciNet review: 1132413

Norm inequalities equivalent to Heinz inequality

Junichi Fujii, Masatoshi Fujii, Takayuki Furuta and Ritsuo Nakamoto.
Proc. Amer. Math. Soc. 118 (1993), 827-830
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MathSciNet review: 1132412

The commutant of a certain compression

William T. Ross.
Proc. Amer. Math. Soc. 118 (1993), 831-837
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MathSciNet review: 1145951

Polar decompositions of bounded linear functionals on operator subalgebras

Masaharu Kusuda.
Proc. Amer. Math. Soc. 118 (1993), 839-843
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MathSciNet review: 1149973

Invariant manifolds of hypercyclic vectors

Paul S. Bourdon.
Proc. Amer. Math. Soc. 118 (1993), 845-847
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MathSciNet review: 1148021

A counterexample to a Vitali type theorem with respect to Hausdorff content

Mark Melnikov and Joan Orobitg.
Proc. Amer. Math. Soc. 118 (1993), 849-856
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MathSciNet review: 1137228

Generalized spectrum and a problem of Apostol

Mostafa Mbekhta.
Proc. Amer. Math. Soc. 118 (1993), 857-859
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MathSciNet review: 1145948

On the entropy norm spaces and the Hardy space $ReH^{1}$

W. C. Lang.
Proc. Amer. Math. Soc. 118 (1993), 861-863
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MathSciNet review: 1166359

On Teichmüller contraction

Frederick P. Gardiner.
Proc. Amer. Math. Soc. 118 (1993), 865-875
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MathSciNet review: 1152277

Some special limits of Schottky groups

Daniel M. Gallo.
Proc. Amer. Math. Soc. 118 (1993), 877-883
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MathSciNet review: 1148024

A counterexample to the infinity version of the Hyers and Ulam stability theorem

Emanuele Casini and Pier Luigi Papini.
Proc. Amer. Math. Soc. 118 (1993), 885-890
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MathSciNet review: 1152975

Measures of noncompactness and upper semi-Fredholm perturbation theorems

Fernando Galaz-Fontes.
Proc. Amer. Math. Soc. 118 (1993), 891-897
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MathSciNet review: 1151810

An inequality for some nonnormal operators—extension to normal approximate eigenvalues

Masatoshi Fujii, Takayuki Furuta and Yūki Seo.
Proc. Amer. Math. Soc. 118 (1993), 899-902
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MathSciNet review: 1152981

Fourier inversion for piecewise smooth functions in several variables

Mark A. Pinsky.
Proc. Amer. Math. Soc. 118 (1993), 903-910
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MathSciNet review: 1146865

The Banach-Mazur game and generic existence of solutions to optimization problems

P. S. Kenderov and J. P. Revalski.
Proc. Amer. Math. Soc. 118 (1993), 911-917
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MathSciNet review: 1137224

On the Mazur-Ulam theorem and the Aleksandrov problem for unit distance preserving mappings

Themistocles M. Rassias and Peter Šemrl.
Proc. Amer. Math. Soc. 118 (1993), 919-925
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MathSciNet review: 1111437

A counterexample to Orlik’s conjecture

Paul H. Edelman and Victor Reiner.
Proc. Amer. Math. Soc. 118 (1993), 927-929
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MathSciNet review: 1134624

Identities of the natural representation of the infinitely based semigroup

Leonid Al’shanskii and Alexander Kushkuley.
Proc. Amer. Math. Soc. 118 (1993), 931-937
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MathSciNet review: 1132406

Shore points and dendrites

Víctor Neumann Lara and Isabel Puga-Espinosa.
Proc. Amer. Math. Soc. 118 (1993), 939-942
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MathSciNet review: 1137230

The Steenrod algebra action on generators of rings of invariants of subgroups of $GL_{n}(Z/pZ)$

Nondas E. Kechagias.
Proc. Amer. Math. Soc. 118 (1993), 943-952
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MathSciNet review: 1152986

Foliations of $E(5_{2})$ and related knot complements

John Cantwell and Lawrence Conlon.
Proc. Amer. Math. Soc. 118 (1993), 953-962
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MathSciNet review: 1151808

Bordism classes of vector bundles over real projective spaces

Bruce F. Torrence.
Proc. Amer. Math. Soc. 118 (1993), 963-969
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MathSciNet review: 1136239

On the infimum of the Hausdorff and Vietoris topologies

S. Levi, R. Lucchetti and J. Pelant.
Proc. Amer. Math. Soc. 118 (1993), 971-978
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MathSciNet review: 1165059

Manifolds with pinched radial curvature

Yoshiroh Machigashira.
Proc. Amer. Math. Soc. 118 (1993), 979-985
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MathSciNet review: 1136236

There are many Ostaszewski spaces

Timothy J. LaBerge.
Proc. Amer. Math. Soc. 118 (1993), 987-993
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MathSciNet review: 1137225

On the rationalization of the circle

Carles Casacuberta.
Proc. Amer. Math. Soc. 118 (1993), 995-1000
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MathSciNet review: 1176479

A heat kernel characterization of asymptotic harmonicity

François Ledrappier.
Proc. Amer. Math. Soc. 118 (1993), 1001-1004
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MathSciNet review: 1137226

The chromatic convergence theorem and a tower in algebraic $K$-theory

J. E. McClure and R. E. Staffeldt.
Proc. Amer. Math. Soc. 118 (1993), 1005-1012
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MathSciNet review: 1164148

A generalization of Odlyzko’s conjecture: the coefficients of $(1-q)^{j}/((1-q^{2n})\cdots(1-q^{2n+2j}))$ alternate in sign

Jane Friedman and Doron Zeilberger.
Proc. Amer. Math. Soc. 118 (1993), 1013
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MathSciNet review: 1134625

Erratum to: “Homotopy type of path spaces” [Proc. Amer. Math. Soc. 116 (1992), no. 1, 259–271; MR1097347 (92k:58019)]

Diane Kalish.
Proc. Amer. Math. Soc. 118 (1993), 1015
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MathSciNet review: 1212280