The universal semilattice compactification of a semigroup.

Ebrahimi Vishki, H.R.; Pourabdollah, M.A.

Displaying similar documents to “The universal semilattice compactification of a semigroup.”

Some algebraic universal semigroup compactifications.

Ebrahimi-Vishki, H.R. (2001)

International Journal of Mathematics and Mathematical Sciences

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On left $C$ - $𝒰$ -liberal semigroups

Yong He, Fang Shao, Shi-qun Li, Wei Gao (2006)

Czechoslovak Mathematical Journal

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In this paper the equivalence ${\tilde{𝒬}}^{U}$ on a semigroup $S$ in terms of a set $U$ of idempotents in $S$ is defined. A semigroup $S$ is called a $𝒰$ -liberal semigroup with $U$ as the set of projections and denoted by $S (U)$ if every ${\tilde{𝒬}}^{U}$ -class in it contains an element in $U$ . A class of $𝒰$ -liberal semigroups is characterized and some special cases are considered.