Authors: Bachir Bekka
Publish Date: 2007/04/04
Volume: 169, Issue: 2, Pages: 401-425
Abstract
For n≥3 let Γ=SL n ℤ We prove the following superridigity result for Γ in the context of operator algebras Let LΓ be the von Neumann algebra generated by the left regular representation of Γ Let M be a finite factor and let UM be its unitary group Let πΓ→UM be a group homomorphism such that πΓ”=M Then either
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