Counterexamples to the Neggers-Stanley conjecture 2004 (English)In: Electronic research announcements of the American Mathematical Society, ISSN 1079-6762, Vol. 10, p. 155-158Article in journal (Refereed) Published

Abstract [en]

The Neggers-Stanley conjecture asserts that the polynomial counting the linear extensions of a labeled finite partially ordered set by the number of descents has real zeros only. We provide counterexamples to this conjecture.

Place, publisher, year, edition, pages

2004. Vol. 10, p. 155-158

Keywords [en]

Neggers-Stanley conjecture, partially ordered set, linear extension, real roots

Identifiers

URN: urn:nbn:se:kth:diva-24010DOI: 10.1090/S1079-6762-04-00140-4ISI: 000226991700001OAI: oai:DiVA.org:kth-24010DiVA, id: diva2:342709

Note

QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2022-06-25Bibliographically approved

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Bränden, Petter

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