Partially ordered sets having selfdual system of intervals

Ján Jakubík

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Displaying similar documents to “Partially ordered sets having selfdual system of intervals”

Atomicity of the Boolean algebra of direct factors of a directed set

Ján Jakubík (1998)

Mathematica Bohemica

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In the present paper we deal with the relations between direct product decompositions of a directed set $L$ and direct product decompositions of intervals of $L$ .

Unions of uniquely complemented lattices

Ján Jakubík (1997)

Mathematica Bohemica

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In this paper we generalize a result of V. N. Salij concerning direct product decompositions of lattices which are complete and uniquely complemented.

On automorphism groups of planar lattices

Josef Niederle (1998)

Mathematica Bohemica

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The structure of automorphisms of planar lattices is analyzed.