Parabolic subgroups of Garside groups II: ribbons

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dc.creatorGodelle, Eddy
dc.date2008-11-05
dc.date.accessioned2026-07-07T10:15:43Z
dc.date.available2026-07-07T10:15:43Z
dc.descriptionWe introduce and investigate the ribbon groupoid associated with a Garside group. Under a technical hypothesis, we prove that this category is a Garside groupoid. We decompose this groupoid into a semi-direct product of two of its parabolic subgroupoids and provide a groupoid presentation. In order to established the latter result, we describe quasi-centralizers in Garside groups. All results hold in the particular case of Artin-Tits groups of spherical type.
dc.identifierhttps://arxiv.org/abs/0811.0751
dc.identifierhttp://arxiv.org/abs/0811.0751
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/173262
dc.subjectGroup Theory
dc.titleParabolic subgroups of Garside groups II: ribbons
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