IJPAM: Volume 79, No. 4 (2012)

ON CAYLEY ISOMORPHISMS OF CLIFFORD SEMIGROUPS

Saranya Phongchan$^1$, Sayan Panma$^2$Srichan Arworn, $^3$
$^{1,2,3}$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
Year: 2012
Volume: 79
Issue: 4