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

Houston Journal of Mathematics

*Contents*

**Nazar Hussein Abdelaziz
**

Commutativity and the Generation of n-Parameter Semi-Groups of Bounded Linear Operators, pp. 151-156.

**Robert J. Daverman
**

Disk-Pastings of Crumpled Cubes, pp. 157-170.

**Joe W. Fisher, M. H. Fahmy, G. M. Hussein
**

A Galois Version of a Theorem of Jacobson, pp.
171-175.

**Joe W. Fisher, Jan Krempa
**

`R^{G} Is Nil Implies R Is Nil' Is Equivalent to the `Koethe Conjecture', pp. 177-180.

**B. D. Garrett
**

Almost Continuity on Peano Continua, pp.
181-189.

**G. Gierz, J. D. Lawson, A. Stralka
**

Quasicontinuous Posets, pp. 191-208.

**R. M. Goel, N. S. Sohi
**

On the Order of Starlikeness of a Subclass of Convex Functions and Some Convolution Results, pp. 209-216.

**B. Kuttner, B. E. Rhoades
**

Comments on a Paper by Mayes and Rhoades, pp.
217-219.

**Ronald J. Leach
**

On a Determinant in the Theory of Multivalent Functions, pp.
221-229.

**J. D. Mashburn
**

The Least Fixed Point Property for omega-Chain Continuous Functions, pp. 231-244.

**Claudio Morales
**

Set-Valued Mappings in Banach Spaces, pp.
245-253.

**Roger B. Nelson
**

Some Fiber Preserving Involutions of Orientable 3-Dimensional Handlebodies, pp.
255-269.

**J. M. O'Farrell
**

The Sorgenfrey Line Is Not Totally Metacompact, pp.
271-273.

**Wayne B. Powell
**

Injectives in a Class of Lattice Ordered Modules, pp.
275-287.

**L. Thomas Ramsey, Benjamin B. Wells
**

Special Graphs Related to a Problem of Harmonic Analysis, pp. 289-296.

**H. Silverman
**

On the Quotient of an Analytic Function and Its Partial Sums, pp. 297-301.