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- Björner, AndersKTH,Matematik (Avd.) (author)
Chain polynomials of distributive lattices are 75% unimodal
- Article/chapterEnglish2005
Publisher, publication year, extent ...
- 2005-03-14
- The Electronic Journal of Combinatorics,2005
- printrdacarrier
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- LIBRIS-ID:oai:DiVA.org:kth-14598
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-14598URI
- https://doi.org/10.37236/1971DOI
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- Language:English
- Summary in:English
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- QC 20100525
- It is shown that the numbers c(i) of chains of length i in the proper part L\{0, 1} of a distributive lattice L of length l + 2 satisfy the inequalities c(0) <...< c([l/2]) and c([3l.4]) >... > c(l). This proves 75% of the inequalities implied by the Neggers unimodality conjecture.
Subject headings and genre
- ordered sets
- stanley
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- Farley, J. D. (author)
- KTHMatematik (Avd.) (creator_code:org_t)
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- In:The Electronic Journal of Combinatorics: The Electronic Journal of Combinatorics12:11097-14401077-8926
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