IJPAM: Volume 79, No. 4 (2012)
Department of Mathematics
Faculty of Science
Chiang Mai University
Chiang Mai, 50200, THAILAND
Abstract. In this paper, we investigate the problem about determining for which Cayley graphs of a given Clifford semigroup are CI-graphs. We give sufficient conditions for Cayley graphs of Clifford semigroups to be CI-graphs and for Clifford semigroups to be CI-semigroups.
Received: July 16, 2012
AMS Subject Classification: 05C60, 15A66
Key Words and Phrases: Cayley graph, digraph, Clifford semigroup, strong semilattice of groups, CI-graph
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Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395