Mathematics – Operator Algebras
Scientific paper
2011-09-03
Mathematics
Operator Algebras
Scientific paper
In this paper we outline a recent construction of a Chern-Weil isomorphism for the equivariant Brauer group of $\mathbb R^n$ actions on a principal torus bundle, where the target for this isomorphism is a "dimensionally reduced" \vCech cohomology group. Using this latter group, we demonstrate how to extend the induced algebra construction to algebras with a non-trivial bundle as their spectrum.
Bouwknegt Peter
Carey Alan
Ratnam Rishni
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