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math.OA2005
Simultaneous similarity, bounded generation and amenability
Gilles Pisier
We prove that a discrete group is amenable iff it is strongly unitarizable in the following sense: every unitarizable representation on can be unitarized by an invertib…
math.OA2005★ 1 cited
Remarks on
Gilles Pisier
We review the existing proofs that the min and max norms are different on and give a shortcut avoiding the consideration of non-separable families of operator sp…