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math.OA2001
Semiprojectivity for certain purely infinite C*-algebras
Jack Spielberg
It is proved that classifiable simple separable nuclear purely infinite C*-algebras having finitely generated K-theory and torsion-free K_1 are semiprojective. This is accomplished…
math.OA2001
A functorial approach to the C*-algebras of a graph
Jack Spielberg
A functor from the category of directed trees with inclusions to the category of commutative C*-algebras with injective *-homomorphisms is constructed. This is used to define a fun…