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Mapping class groups and outer automorphism groups of free groups are C*-simple

Published inJournal of functional analysis, vol. 212, no. 1, p. 195-205
Publication date2004
Abstract

We prove that the reduced C*-algebras of centerless mapping class groups and outer automorphism groups of free groups are simple, as are the irreducible pure subgroups of mapping class groups and the analogous subgroups of outer automorphism groups of free groups.

Classification
  • arxiv : math.OA
Citation (ISO format)
BRIDSON, Martin Robert, DE LA HARPE, Pierre. Mapping class groups and outer automorphism groups of free groups are C*-simple. In: Journal of functional analysis, 2004, vol. 212, n° 1, p. 195–205. doi: 10.1016/S0022-1236(03)00216-7
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ISSN of the journal0022-1236
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