881 citations
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Showing 2009 · math.OAShow all
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math.OA2009
-theory of -algebras of directed graphs
Menassie Ephrem, Jack Spielberg
For a directed graph , we compute the -theory of the -algebra from the Cuntz-Krieger generators and relations. First we compute the -theory of the crossed pr…
math.OA2009★ 5 cited
Characterizing graph C*-correspondences
S. Kaliszewski, Nura Patani, John Quigg
Every separable nondegenerate C*-correspondence over a commutative C*-algebra with discrete spectrum is isomorphic to a graph correspondence.