# Ghidewon Abay-Asmerom, Ph.D.

Associate Professor

gabayasm@vcu.edu

804.828.6240

Harris Hall 4147

**EDUCATION**

Ph. D. (Mathematics), Western Michigan University, Kalamazoo, MI, 1990. Dissertation: Graph Products and Covering Graph Imbeddings. Dissertation Advisor : Arthur T. White

MA (Mathematics), Western Michigan University, Kalamazoo, MI, 1987

BS (Mathematics) -summa cum laude, Andrews University (University of Eastern Africa), Eldoret, Kenya, 1986

**RESEARCH**

Topological graph theory, graph embeddings, product graphs, domination in graphs, fuzzy product graphs, linguistics.

**SELECTED PUBLICATIONS**

Abay-Asmerom, G.; Hammack, R. H.; Larson, C.; Taylor, D. T. Notes on the Independence Number in the Cartesian Product of Graphs **Discussiones Mathematicae Graph Theory** 31 (2011) 25-35.

Abay-Asmerom, G.; Hammack, R. H.; Larson, C.; Taylor, D. T. Direct Product Factorization of Bipartite Graphs with Bipartition-Switching Involutions. **SIAM Journal on Discrete Mathematics** 23, No. 4 (2010), pp. 2042-2052

Abay-Asmerom, G. ; Williamson, P. P.; Mays, D. P. ; Yang, Y. Revisiting the Classical Occupancy Problem. **The American Statistician** 63, No. 4, (Nov 2009), pp. 356-360.

Abay-Asmerom, G.; Hammack, R. H.; Taylor, D. T. Factorial Properties of Graphs, ** Australasian Journal of Combinatorics **44 (2009) pp. 265-272.

Abay-Asmerom, G.; Hammack, R. H.; Taylor, D. T. Perfect r-codes in Strong Products of Graphs. **Bulletin of the Institute of Combinatorics and its Applications (ICA) **55(2009), pp. 66–72.

Abay-Asmerom, G.; Hammack, R. H.; Taylor, D. T. Total Perfect Codes in Tensor Products of Graphs. ** Ars Combinatoria** 88 (2008), pp.129-134.

Abay-Asmerom, G. More on the Imbeddings of the Augmented Tensor Product of Graphs. *Combinatorics*, *Graph Theory, & Algorithms***I **(1999), pp.1 – 9.

Abay-Asmerom, G. Imbeddings of the Tensor Product of Graphs where the Second Factor is a Complete Graph. ** Discrete Mathematics182** (1998), pp. 13-19.

Abay-Asmerom, G. On the Genus Imbeddings of the Tensor Product of Graphs. ** Journal of Graph Theory 23** (1996), pp. 67-76.

Abay-Asmerom, G. Quadrilateral Imbeddings of the Strong Tensor Product of Graphs. ** Graph Theory, Combinatorics & Applications I** (1995), pp. 5 – 17.

**PROFESSIONAL AFFILIATIONS**

American Mathematical Society

Mathematical Association of America

Institute of Combinatorics and its Applications

**HONORS AND PROFESSIONAL ACTIVITIES**

*H.T Butler Teaching Excellence Award*, Western Michigan, 1990

*Member of the advisory board for the Eritrean Journal of Engineering and Science*.