Cartan subalgebras in self-similar graph $C^{\ast }$-algebras

Dawn Archey, Anna Duwenig, Shanshan Hua +3

For a self-similar graph $(G,E)$, we find a distinguished subgroupoid of the associated path groupoid ${\mathcal{G}}_{G,E}$ -- the symmetric cycline subgroupoid $\mathcal{S}_{\text{…