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math.OA2001
Homogeneity of the pure state space of a separable C*-algebra
A. Kishimoto, N. Ozawa, S. Sakai
We prove that the pure state space is homogeneous under the action of the automorphism group (or the subgroup of asymptotically inner automorphisms) for all the separable simple C*…
math.OA2001
An Application of Expanders to
Narutaka Ozawa
With the help of Kirchberg's and Selberg's theorems, we prove that the minimal tensor product of with itself does not have the WEP (weak expectation property) of Lance.