Ghidewon Abay-Asmerson

Ghidewon Abay-Asmerom, Ph.D.

Associate Professor

(804) 828-6240

Grace E. Harris Hall, 1015 Floyd Ave., room 4147

Education

  • Ph.D. (Mathematics), Western Michigan University, 1990 [Dissertation: "Graph Products and Covering Graph Imbeddings"; Adviser : Arthur T. White]
  • M.A. (Mathematics), Western Michigan University, 1987
  • B.S. (Mathematics), summa cum laude, Andrews University (University of Eastern Africa), Eldoret, Kenya, 1986

Research Interests

  • Topological graph theory
  • Graph embeddings
  • Product graphs
  • Domination in graphs
  • Fuzzy product graphs
  • Linguistics

Select 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.

Affiliations

  • American Mathematical Society
  • Mathematical Association of America
  • Institute of Combinatorics and its Applications
  • Eritrean Journal of Engineering and Science.

Awards

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