A shellable poset that is not lexicographically shellable

A. Vince, M. Wachs

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

It is known that a lexicographically shellable poset is shellable, and it has been asked whether the two concepts are equivalent. We provide a counterexample, a shellable graded poset that is not lexicographically shellable.

Original languageEnglish (US)
Pages (from-to)257-260
Number of pages4
JournalCombinatorica
Volume5
Issue number3
DOIs
StatePublished - Sep 1 1985

Keywords

  • AMS subject classification (1980): 05C65, 06A10

ASJC Scopus subject areas

  • Discrete Mathematics and Combinatorics
  • Computational Mathematics

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