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# Operator Algebra and Noncommutative Geometry Seminar Series

## July 28, 2017 @ 3:30 pm - 4:30 pm

##### Title

The Raeburn-Taylor algebra revisited, II.

##### Speaker

Professor Alexander Kumjian (University of Nevada)

##### Abstract

Given a 2-cocycle c with values in the sheaf of continuous T-valued

functions relative to an open covering of a locally compact Hausdorff space X,

Iain Raeburn and Joe Taylor constructed a continuous trace C*-algebra A with

primitive ideal spectrum X and Dixmier-Douady invariant determined by the class

of c. We review their construction in a groupoid friendly way.