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Southeast Asian Bulletin of Mathematics
Article . 2003 . Peer-reviewed
License: Springer TDM
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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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On the Lattice of Convex Sublattices of a Lattice

On the lattice of convex sublattices of a lattice
Authors: Ramana Murty, P. V.;

On the Lattice of Convex Sublattices of a Lattice

Abstract

In Algebra Univers. 35, 63-71 (1996; Zbl 0842.06003), \textit{S. Lavanya} and \textit{S. Parameshwara Bhatta} considered a partial ordering on the set \(\text{CS}(L)\) of all the convex sublattices of a lattice \(L\), namely \(A\leq B\) if and only if \((A]\subseteq (B]\) and \([A)\supseteq [B)\), and begun a corresponding study. The present paper continues this study. We list here some of the results: Theorem 1. This ordering is the smallest ordering on \(\text{CS}(L)\) extending the usual ordering on \(I(L)\) (ideals) and \(D(L)\) (filters) and satisfying an additional necessary condition (named (G)). Theorem 4. \(\text{CS}(L)\) is semimodular if \(I(L)\) and \(D(L)\) are semimodular; if \(L\) is of finite length then the converse also holds. Theorem 11. Let \(L\) be \ complete lattice. Then \(L\) is pseudocomplemented if and only if CS\((L)\) is pseudocomplemented. Reviewer's remark: In the above-mentioned paper, the equivalence in Theorem 11 was proved only for upper continuous lattices.

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Keywords

Pseudocomplemented lattices, convex sublattices, Structure theory of lattices, Semimodular lattices, geometric lattices

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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
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