*Editors*: D.G. Bourgin (Houston), B. Jóhnson (Nashville), A. Lelek (Houston), J.S. Mac Nerney (Houston), J.W. Neuberger (Emory), B.H. Neumann (Australian National University), J. Schmidt (Houston)
*Managing Editor*: G.G. Johnson (Houston)
*Associate Managing Editors*: J. Hausen (Houston), J.A. Johnson (Houston)

Houston Journal of Mathematics

*Contents*

**D. D. Anderson
**

Some Finiteness Conditions on a Commutative Ring, pp.
289-299.

**J. M. Anderson, L. A. Rubel
**

Hypernormal Meromorphic Functions, pp.
301-309.

**B. C. Burch, Jerome A. Goldstein
**

Nonlinear Semigroups and a Problem in Heat Conduction, pp. 311-328.

**Bang-Yen Chen
**

Cobordism, A-Genus and Einstein-Kahler Metrics, pp. 329-334.

**G. R. Gordh, Jr., Lewis Lum
**

Radially Convex Mappings and Smoothness in Continua, pp. 335-342.

**J. Grispolakis, E. D. Tymchatyn
**

Semi-Confluent Mappings and Acyclicity, pp.
343-357.

**D. H. Hyers
**

A Note on Frechet's Definition of ``Polynomes Abstraits'', pp. 359-362.

**N. J. Kalton, G. V. Wood
**

Norm-Decreasing Homomorphisms Between Ideals of C(G), pp. 363-378.

**William F. Keigher
**

Quasi-Prime Ideals in Differential Rings, pp. 379-388.

**Alan Lambert, Mary Embry-Wardrop
**

A Class of Nilpotent Semigroups on Hilbert Space, pp. 389-396.

**Charles Lanski
**

Gabriel Dimension and Rings With Involution, pp.
397-415.

**Marvin Marcus
**

An Inequality for Non-Decomposable Elements in the Grassmann Algebra, pp. 417-422.

**Raymond C. Roan
**

Composition Operators on the Space of Functions With H^{p}-Derivative, pp. 423-438.

**Jesse M. Shapiro
**

On the Rate of Convergence of Distribution Functions of Sums of Reciprocals of Random Variables to the Cauchy Distribution, pp. 439-445.