Vitezslav Novak, Department of Mathematics, Masaryk University, Janackovo nam. 2a, 662 95 Brno, Czech Republic
Abstract: A representation of cyclically ordered sets by means of partial semigroups with an additional unary operation is constructed.
Keywords: partial semigroup, $e$-semigroup, cyclically ordered set, $c$-algebra
Classification (MSC91): 04A05, 08A55
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