The purpose of this paper is to study epigroups admitting a decomposition into a semilattice of σ n -simple semigroups. We give further remark on semilattice decompositions of epigroups and characterize them by using some relations, ideals on/of S and certain special elements in S.
The purpose of this paper is to study epigroups admitting a decomposition into a semilattice of σn –simple semigroups. We give further remark on semilattice decompositions of epigroups and characterize them by using some relations, ideals on/of S and certain special elements in S.