## HOUSTON JOURNAL OF MATHEMATICS

### Archived Edition
Vol. 14, No. 3, 1988

*Editors*: H. Brezis (Paris), J. Hausen (Houston), J.A. Johnson (Houston), B. Jóhnson (Nashville), A. Lelek (Houston), J. Nagata (Osaka), J.W. Neuberger (Emory), B.H. Neumann (Australian National University), G.-C. Rota (MIT)

*Managing Editor*: G.G. Johnson (Houston)

Houston Journal of Mathematics

*Contents*

**J. Ahsan
**

Rings Characterized by Their Torsion Cyclic Modules, pp.
291-303.

**Ulrich Albrecht
**

The Structure of Generalized Rank One Groups, pp.
305-317.

**F. Bernis
**

Qualitative Properties for Some Nonlinear Higher Order Degenerate Parabolic Equations, pp. 319-352.

**P. B. Cerrito
**

Limits of Convolution Iterates and Recurrent Random Walks on Inverse and Regular Semigroups, pp.
353-363.

**George O. Golightly
**

Coefficients in Sine Series Expansions of Special Entire Functions, pp. 365-410.

**Hartmut Hoft, Margret Hoft
**

Fixed Point Invariant Reductions and a Characterization Theorem for Lexicographic Sums, pp. 411-422.

**Jimmie D. Lawson, Michael Mislove, Hilary A. Priestley
**

Infinite Antichains and Duality Theories, pp.
423-441.

**I. E. Leonard
**

A Sequence of Multiple Integrals, pp. 443-450.