$\mathbb{Z}$-graded rings as Cuntz-Pimsner rings

Lisa Orloff Clark, James Fletcher, Roozbeh Hazrat +1

Given a $\mathbb{Z}$-graded ring $A$ and a subring $R\subseteq A$, it is natural to ask whether $A$ can be realised as the Cuntz-Pimsner ring of some $R$-system. In this paper, we…