Subtraction semigroups

Bohdan Zelinka

Displaying similar documents to “Subtraction semigroups”

Tight semigroups.

Bogdanović, Stojan, Ćirić, Miroslav (1991)

Publications de l'Institut Mathématique. Nouvelle Série

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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.

Selfdistributive groupoids. Part D1: Left distributive semigroups

Jaroslav Ježek, Tomáš Kepka (2006)

Acta Universitatis Carolinae. Mathematica et Physica

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m-Semigroups, semigroups, and function representations

D. Monk, F. Sioson (1966)

Fundamenta Mathematicae

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Splitting left distributive semigroups

Abdullah Zejnullahu (1989)

Acta Universitatis Carolinae. Mathematica et Physica

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Displaying similar documents to “Subtraction semigroups”

Tight semigroups.

On left C - 𝒰 -liberal semigroups

Selfdistributive groupoids. Part D1: Left distributive semigroups

m-Semigroups, semigroups, and function representations

Splitting left distributive semigroups

On left $C$ - $𝒰$ -liberal semigroups