Indecomposability of free group factors over nonprime subfactors and abelian subalgebras

dc.creatorStefan, Marius
dc.date2004-02-07
dc.date.accessioned2026-07-07T05:05:13Z
dc.date.available2026-07-07T05:05:13Z
dc.descriptionWe use the free entropy defined by D. Voiculescu to prove that the free group factors can not be decomposed as closed linear spans of noncommutative monomials in elements of nonprime subfactors or abelian $*$-subalgebras, if the degrees of monomials have an upper bound depending on the number of generators. The resulting estimates for the hyperfinite and abelian dimensions of free group factors settle in the affirmative a conjecture of L. Ge and S. Popa (for infinitely many generators).
dc.identifierhttps://arxiv.org/abs/math/0402108
dc.identifierhttp://arxiv.org/abs/math/0402108
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/70087
dc.subjectOperator Algebras
dc.subject46Lxx (Primary) 47Lxx (Secondary)
dc.titleIndecomposability of free group factors over nonprime subfactors and abelian subalgebras
dc.typetext

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