Antichains of positive roots and Heaviside functions

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dc.creatorChapoton, Frederic
dc.date2003-03-18
dc.date.accessioned2026-07-07T04:56:09Z
dc.date.available2026-07-07T04:56:09Z
dc.descriptionThe ring of locally-constant integer-valued functions on the dominant chamber of the Shi arrangement is endowed with a filtration and a new basis, compatible with this filtration, is found. This basis is compared to the trivial basis. The ring is given a presentation by generators and relations.
dc.description7 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/math/0303220
dc.identifierhttp://arxiv.org/abs/math/0303220
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/66822
dc.subjectCombinatorics
dc.subject06A11;52C35
dc.titleAntichains of positive roots and Heaviside functions
dc.typetext

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