Characterizations of Clifford semigroup digraphs |
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| Authors: | S Panma N Na Chiangmai Sr Arworn |
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| Institution: | a Department of Mathematics, Faculty of Sciences, Chiang Mai University, Chiang Mai 50200, Thailand
b Institut fuer Mathematik, Carl von Ossietzky Universitaet, D-26111 Oldenburg, Germany |
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| Abstract: | This paper characterizes directed graphs which are Cayley graphs of strong semilattices of groups and, in particular, strong chains of groups, i.e. of completely regular semigroups which are also called Clifford semigroups. |
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| Keywords: | Cayley graph Digraph Clifford semigroup Strong semilattice of groups Completely regular |
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