Free almost-p-lattices

Hernando Gaitan

Displaying similar documents to “Free almost-p-lattices”

Distributive associative near lattices

Dietmar Schweigert (1985)

Mathematica Slovaca

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Forbidden forests in Priestley spaces

Richard N. Ball, Aleš Pultr (2004)

Cahiers de Topologie et Géométrie Différentielle Catégoriques

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Truth filters in De Morgan lattices.

Bozić, Milan (1980)

Publications de l'Institut Mathématique. Nouvelle Série

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Varieties of Distributive Rotational Lattices

Gábor Czédli, Ildikó V. Nagy (2013)

Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica

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A rotational lattice is a structure $〈 L; \lor, \land, g 〉$ where $L = 〈 L; \lor, \land 〉$ is a lattice and $g$ is a lattice automorphism of finite order. We describe the subdirectly irreducible distributive rotational lattices. Using Jónsson’s lemma, this leads to a description of all varieties of distributive rotational lattices.

A note on cylindric lattices

Ivo Düntsch (1993)

Banach Center Publications

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0. Introduction. Besides being of intrinsic interest, cylindric (semi-) lattices arise naturally from the study of dependencies in relational databases; the polynomials on a cylindric semilattice are closely related to the queries obtainable from project-join mappings on a relational database (cf. [D] for references). This note is intended to initiate the study of these structures, and only a few, rather basic results will be given. Some problems at the end will hopefully stimulate further...