HOUSTON JOURNAL OF
MATHEMATICS

Archived Edition Vol. 13, No. 3, 1987

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

Joseph Barback
Corrections for Two Papers: ``On Tame Regressive Isols'' and ``Tame Models in the Isols'', pp. 301-302.

Gerald Beer
Lattice-Semicontinuous Mappings and Their Application, pp. 303-318.

Bruce D. Calvert
Characterizing a Space Which Is Euclidean Near a Two-Dimensional Subspace, pp. 319-335.

Robert Stephen Cantrell, Chris Cosner
On the Steady-State Problem for the Volterra-Lotka Competition Model With Diffusion, pp. 337-352.

J. Scott Carter
Simplifying the Self Intersection Sets of Codimension One Immersions, pp. 353-366.

James Hatzenbuhler, Don A. Mattson
The Cantor Set As a Remainder of X x Y, pp. 367-371.

S. D. Iliadis
The Rim-Type of Spaces and the Property of Universality, pp. 373-388.

L. Brian Lawrence
Connected Function Graphs Defined by Countable Partially Ordered Subsets of the Plane, pp. 389-403.

Suzanne M. Lenhart
Viscosity Solutions Associated With Switching Control Problems for Piecewise-Deterministic Processes, pp. 405-426.

J. S. Okon, L. J. Ratliff, Jr.
Notes on Analytic Spread and Certain Sequences, pp. 427-441.

Edwin P. Oxford
Representable Preradicals, pp. 443-453.