HOUSTON JOURNAL OF
MATHEMATICS

Archived Edition Vol. 22, No. 4, 1996

Editors: G. Auchmuty (Houston), H. Brezis (Paris), S.S. Chern (Berkeley), J. Damon (Chapel Hill), L.C. Evans (Berkeley), R.M. Hardt (Rice), J.A. Johnson (Houston), A. Lelek (Houston), J. Nagata (Osaka), B.H. Neumann (Australian National University), V. Paulsen (Houston), G. Pisier (College Station and Paris), R. Scott (Houston), S.W. Semmes (Rice), K. Uhlenbeck (Austin)
Managing Editor: K. Kaiser (Houston)

Houston Journal of Mathematics


Contents

John Harding
Free Central Extensions, pp. 665-686.

Carl Faith
Rings With Few Zero Divisor Are Those With Semilocal Kasch Quotient Rings, pp. 687-690.

Chan Woo Yang
On the Number of the Minimal Surfaces Spanning Part of a Knot, pp. 691-700.

Marco Abate
A Characterization of the Chern and Bernwald Connections, pp. 701-717.

M. Morayne, C. Ryll-Nardzewski
Superpositions With Differences of Semicontinuous Functions, pp. 719-735.

Frederick W. Eckertson, Haruto Ohta
Weak Pseudocompactness and Zero Sets in Pseudocompact Spaces, pp. 737-748.

Th. Dana-Picard, M. Schaps
Classifying Generic Algebras: The Local Case, pp. 749-773.

Louis M. Friedler, Jack R. Porter
Compactly Functionally Compact Spaces, pp. 775-785.

Ralph deLaubenfels
Functional Calculi, Semigroups of Operators, and Hille-Yosida Operators, pp. 787-805.

M. Bakonyi, T. Constantinescu
Operator-Valued Nonstationary Szego Limit Theorems, pp. 807-819.

Dongjian Chen, Bor-Luh Lin
Ball Topology on Banach Spaces, pp. 821-833.

T. Dominguez Benavides
A Geometrical Coefficient Implying the Fixed Point Property and StabilityResults, pp. 835-849.

B. Mond, J. Pecaric, J. Sunde, S. Varosanec
Inequalities of Polya Type for Positive Linear Operators, pp. 851-858.

Bruno Franchi, Raul Serapioni, Francesco Serra Cassano
Meyers-Serrin Type Theorems and Relaxation of Variational Integrals Dependingon Vector Fields, pp. 859-890.