For finite group actions with the weak tracial Rokhlin property on simple stably finite C*-algebras, the fixed point algebra has radius of comparison at most that of A, and the crossed product at most one over the group size times rc(A).
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The Cuntz semigroup and the radius of comparison of the crossed product by a finite group
For finite group actions with the weak tracial Rokhlin property on simple stably finite C*-algebras, the fixed point algebra has radius of comparison at most that of A, and the crossed product at most one over the group size times rc(A).