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math.OA2006★ 1 cited
Fell bundles associated to groupoid morphisms
Valentin Deaconu, Alex Kumjian, Birant Ramazan
Given a continuous open surjective morphism of étale groupoids with amenable kernel, we construct a Fell bundle over and prove that its C*-algebra is…
math.OA2006★ 1 cited
C*-algebras associated to coverings of k-graphs
Alex Kumjian, David Pask, Aidan Sims
A covering of k-graphs (in the sense of Pask-Quigg-Raeburn) induces an embedding of universal C*-algebras. We show how to build a (k+1)-graph whose universal algebra encodes this e…