*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*

**C. Anichini, P. Zecca
**

Multivalued Differential Equations and Control Problems, pp.
307-313.

**Hans-J. Bandelt, Marcel Erne
**

Representations and Embeddings of M-Distributive Lattices, pp. 315-324.

**Gerald Beer
**

The Approximation of Real Functions in the Hausdorff Metric, pp. 325-338.

**Jon. M. Borwein, Brailey Sims
**

Non-Expansive Mappings on Banach Lattices and Related Topics, pp. 339-356.

**Chris Cosner, William Rundell
**

Extensions of Solutions to Second Order Partial Differential Equations by the Method of Quasireversibility, pp. 357-370.

**J. DeFranza, D. J. Fleming
**

Norlund Polynomial Methods of Type M(E), pp.
371-381.

**B. Felzenszwalb
**

On the Local Finiteness of Certain Algebras, pp.
383-385.

**Manjul Gupta, John Patterson
**

Generalized Sequence Spaces and Matrix Transformations, pp. 387-398.

**L. L. Herrington, Paul E. Long, William D. Hammers
**

Functions With a theta-Closed Graph, pp.
399-403.

**Charles Holmes
**

Generalized Rottlander, Honda, Yff Groups, pp. 405-414.

**Daniel Katz
**

On the Integrity of Ideal Transforms, pp.
415-421.

**Joong Ho Kim
**

A Note on Isomorphisms of Power Series Rings, pp. 423-426.

**Mursaleen
**

Absolute Almost Convergent Sequences, pp.
427-431.

**Harold Simmons
**

Three Sheaf Constructions for Noncommutative Rings, pp.
433-443.

**Roberto Luiz Soraggi
**

A Remark on the Regularity of Spaces of Germs, pp. 445-452.

**S. R. Grace, B. S. Lalli
**

Corrigendum to ``On Oscillation of Solutions of Higher Order Differential Retarded Inequalities'', pp. 453-455.