Quasi-locality for étale groupoids

Baojie Jiang, Jiawen Zhang, Jianguo Zhang

Let $\mathcal{G}$ be a locally compact étale groupoid and $\mathcal{L}(L^2(\mathcal{G}))$ be the $C^{\ast }$-algebra of adjointable operators on the Hilbert $C^{\ast }$-module $L^2(\mathcal{G}…