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Degrees of compatible L -subsets and compatible mappings

Fu Gui Shi, Yan Sun (2024)

Kybernetika

Based on a completely distributive lattice L , degrees of compatible L -subsets and compatible mappings are introduced in an L -approximation space and their characterizations are given by four kinds of cut sets of L -subsets and L -equivalences, respectively. Besides, some characterizations of compatible mappings and compatible degrees of mappings are given by compatible L -subsets and compatible degrees of L -subsets. Finally, the notion of complete L -sublattices is introduced and it is shown that the...

Direct product decompositions of infinitely distributive lattices

Ján Jakubík (2000)

Mathematica Bohemica

Let α be an infinite cardinal. Let 𝒯 α be the class of all lattices which are conditionally α -complete and infinitely distributive. We denote by 𝒯 σ ' the class of all lattices X such that X is infinitely distributive, σ -complete and has the least element. In this paper we deal with direct factors of lattices belonging to 𝒯 α . As an application, we prove a result of Cantor-Bernstein type for lattices belonging to the class 𝒯 σ ' .

Duality for CCD lattices.

Marmolejo, Francisco, Rosebrugh, Robert, Wood, R.J. (2009)

Theory and Applications of Categories [electronic only]

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