On the variety Csub
Václav Slavík (1991)
Commentationes Mathematicae Universitatis Carolinae
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The variety of lattices generated by lattices of all convex sublattices of distributive lattices is investigated.
Displaying similar documents to “On the one class of hyperbolic systems.”
On the variety Csub
Finitely generated almost universal varieties of 0-lattices.
Koubek, V., Sichler, J. (2005)
Commentationes Mathematicae Universitatis Carolinae
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Separation properties in congruence lattices of lattices
Miroslav Ploščica (2000)
Colloquium Mathematicae
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We investigate the congruence lattices of lattices in the varieties . Our approach is to represent congruences by open sets of suitable topological spaces. We introduce some special separation properties and show that for different n the lattices in have different congruence lattices.
On independence of the relations of epimorphy and embeddability on the variety of all lattices.
Pinus, A.G., Mordvinov, Ya.L. (2002)
Sibirskij Matematicheskij Zhurnal
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Directoids with an antitone involution
Ivan Chajda, Miroslav Kolařík (2007)
Commentationes Mathematicae Universitatis Carolinae
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We investigate -directoids which are bounded and equipped by a unary operation which is an antitone involution. Hence, a new operation can be introduced via De Morgan laws. Basic properties of these algebras are established. On every such an algebra a ring-like structure can be derived whose axioms are similar to that of a generalized boolean quasiring. We introduce a concept of symmetrical difference and prove its basic properties. Finally, we study conditions of direct decomposability...
Hypergeometric -functions of the -Painlevé system of type .
Masuda, Tetsu (2009)
SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
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