Operator-algebraic superrigidity for $S{L}_n(\mathbb{Z}),n\ge 3$

Bachir Bekka

For $n\ge 3,$ let $\Gamma =S{L}_n(\mathbb{Z}).$ We prove the following superridigity result for $\Gamma$ in the context of operator algebras. Let $L(\Gamma )$ be the von Neumann algebra generated by…