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(1989)
Acta Universitatis Carolinae. Mathematica et Physica
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(1989)
Acta Universitatis Carolinae. Mathematica et Physica
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Fitore Abdullahu, Abdullah Zejnullahu (2009)
Commentationes Mathematicae Universitatis Carolinae
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The class of semigroups satisfying semimedial laws is studied. These semigroups are called semimedial semigroups. A connection between semimedial semigroups, trimedial semigroups and exponential semigroups is presented. It is proved that the class of strongly semimedial semigroups coincides with the class of trimedial semigroups and the class of dimedial semigroups is identical with the class of exponential semigroups.
Abdullah Zejnullahu (1989)
Acta Universitatis Carolinae. Mathematica et Physica
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A. de Luca, A. Restivo (1984)
Semigroup forum
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Jaroslav Ježek, Tomáš Kepka (2006)
Acta Universitatis Carolinae. Mathematica et Physica
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Marcin Łazarz (2019)
Bulletin of the Section of Logic
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Even if a lattice L is not distributive, it is still possible that for particular elements x, y, z ∈ L it holds (x∨y) ∧z = (x∧z) ∨ (y ∧z). If this is the case, we say that the triple (x, y, z) is distributive. In this note we provide some sufficient conditions for the distributivity of a given triple.