Strongly outer actions of amenable groups on $\mathcal{Z}$-stable nuclear $C^{\ast }$-algebras

Eusebio Gardella, Ilan Hirshberg, Andrea Vaccaro

Let $A$ be a separable, unital, simple, $\mathcal{Z}$-stable, nuclear $C^{\ast }$-algebra, and let $\alpha :G\to \mathrm{Aut}(A)$ be an action of a discrete, countable, amenable group. S…