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Paper detail

Kirchberg X-algebras with real rank zero and intermediate cancellation

A universal coefficient theorem is proved for C*-algebras over an arbitrary finite T_0-space X which have vanishing boundary maps. Under bootstrap assumptions, this leads to a complete classification of unital/stable real-rank-zero Kirchberg X-algebras with intermediate cancellation. Range results are obtained for (unital) purely infinite graph C*-algebras with intermediate cancellation and Cuntz-Krieger algebras with intermediate cancellation. Permanence results for extensions of these classes follow.

preprint2013arXivOpen access
Rasmus Bentmann
math.OAmath.KT
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Rasmus Bentmann

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