A multiplication formula for module subcategories of Ext-symmetry

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dc.creatorXiao, Jie
dc.creatorXu, Fan
dc.date2008-04-12
dc.date2009-02-03
dc.date.accessioned2026-07-07T12:36:41Z
dc.date.available2026-07-07T12:36:41Z
dc.descriptionWe define evaluation forms associated to objects in a module subcategory of Ext-symmetry generated by finitely many simple modules over a path algebra with relations and prove a multiplication formula for the product of two evaluation forms. It is analogous to a multiplication formula for the product of two evaluation forms associated to modules over a preprojective algebra given by Geiss, Leclerc and Schröer in \cite{GLS2006}.
dc.description12 pages
dc.identifierhttps://arxiv.org/abs/0804.2014
dc.identifierhttp://arxiv.org/abs/0804.2014
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/218179
dc.subjectRepresentation Theory
dc.subjectRings and Algebras
dc.subject16G20; 14M99; 20G05
dc.titleA multiplication formula for module subcategories of Ext-symmetry
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