Sublattices of lattices of order-convex sets, III. The case of totally ordered sets

dc.creatorSemenova, Marina V.
dc.creatorWehrung, Friedrich
dc.date2005-01-21
dc.date.accessioned2026-07-07T05:16:14Z
dc.date.available2026-07-07T05:16:14Z
dc.descriptionFor a partially ordered set P, let Co(P) denote the lattice of all order-convex subsets of P. For a positive integer n, we denote by SUB(LO) (resp., SUB(n)) the class of all lattices that can be embedded into a product of lattices of convex subsets of chains (resp., chains with at most n elements). We prove the following results: (1) Both classes SUB(LO) and SUB(n), for any positive integer n, are locally &#64257;nite, &#64257;nitely based varieties of lattices, and we &#64257;nd &#64257;nite equational bases of these varieties. (2) The variety SUB(LO) is the quasivariety join of all the varieties SUB(n), for 1 &#8804; n < ω, and it has only countably many subvarieties. We classify these varieties, together with all the &#64257;nite subdirectly irreducible members of SUB(LO). (3) Every &#64257;nite subdirectly irreducible member of SUB(LO) is projective within SUB(LO), and every subquasivariety of SUB(LO) is a variety.
dc.identifierhttps://arxiv.org/abs/math/0501339
dc.identifierhttp://arxiv.org/abs/math/0501339
dc.identifierInternational Journal of Algebra and Computation 14, no. 3 (2004) 357-387
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/73910
dc.subjectGeneral Mathematics
dc.subjectPrimary: 06B05, 06B20, 06B15, 06A05, 08C15. Secondary: 05B25
dc.titleSublattices of lattices of order-convex sets, III. The case of totally ordered sets
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