Characterization of linear groups whose reduced C*-algebras are simple

dc.creatorPoznansky, Tal
dc.date2008-12-12
dc.date2009-05-24
dc.date.accessioned2026-07-07T13:17:18Z
dc.date.available2026-07-07T13:17:18Z
dc.descriptionThe reduced C*-algebra of a countable linear group G is shown to be simple if and only if G has no nontrivial normal amenable subgroups. Moreover, these conditions are shown to be equivalent to the uniqueness of tracial state on the aforementioned C*-algebra.
dc.description42 pages; In previous versions, statement of Proposition 2.11 was erroneous. Here is the list of resulting corrections: statement and proof of Proposition 2.11; Remark 2.12; statements of Proposition 2.17 and Theorems 6.4 and 6.5; proof of Theorem 6.3; addition of Lemma 6.6
dc.identifierhttps://arxiv.org/abs/0812.2486
dc.identifierhttp://arxiv.org/abs/0812.2486
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/231069
dc.subjectGroup Theory
dc.subjectOperator Algebras
dc.subject22D25 (Primary) 46L05 (Secondary)
dc.titleCharacterization of linear groups whose reduced C*-algebras are simple
dc.typetext

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