C*-categories, Groupoid Actions, Equivariant KK-theory, and the Baum-Connes Conjecture
arXiv:math/0204291
Abstract
In this article we give a characterisation of the Baum-Connes assembly map with coefficients. The technical tools needed are the K-theory of C*-categories, and equivariant KK-theory in the world of groupoids.