Realizations of free actions via their fixed point algebras

Kay Schwieger, Stefan Wagner

Let $G$ be a compact group, let $\mathcal{B}$ be a unital C${}^{\ast }$-algebra, and let $(\mathcal{A},G,\alpha )$ be a free C${}^{\ast }$-dynamical system, in the sense of Ellwood, with fixed point alg…