The Missouri Journal of Mathematical Sciences (MJMS) publishes well-motivated original research articles as well as expository and survey articles of exceptional quality in mathematical sciences. A section of the MJMS is also devoted to interesting mathematical problems and solutions.

### Volume 21, Issue 3

#### Publication Date: October 2009

Editorial

Terry Goodman; 147-148

Unique Prime Cartesian Factorization of Graphs Over Finite Fields

Richard H. Hammack; 149-154

Generalization of a Geometric Inequality

Xiao-Guang Chu and Jian Liu; 155-162

Uncountably Many Mutually Disjoint, Dense and Convex Subsets of $\ell^2$ with Applications to Path Connected Subsets of Spheres

Samuel H. Creswell; 163-174

Strongly S-Closed Spaces and Firmly Contra-Continuous Functions

C. W. Baker, M. Caldas and S. Jafari; 175-182

A Generalized Martingale Betting Strategy

David K. Neal and Michael D. Russell; 183-197

A New Kind of Cluster Sets and Their Applications

C. K. Basu and M. K. Ghosh; 198-205

A Characterization of Higher Order Wielandt Subgroups and Some Applications

A. Y. M. Chin and Angeline P. L. Lee; 206-209

Announcements

210-212