On the one class of hyperbolic systems.

Adler, Vsevolod E.; Shabat, Alexey B.

Displaying similar documents to “On the one class of hyperbolic systems.”

On the variety Csub $(D)$

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.

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 $ℳ_{n}$ . 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 $ℳ_{n}$ 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 $τ$ -functions of the $q$ -Painlevé system of type $E_{7}^{(1)}$ .

Masuda, Tetsu (2009)

SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]

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Homogeneous models and generic extensions.

Lenyuk, S.V. (2000)

Siberian Mathematical Journal

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A remark on $C D_{0} (K)$ -spaces.

Alpay, Safak, Ercan, Zafer (2006)

Sibirskij Matematicheskij Zhurnal

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