Friday, September 25, 2015 — 3:30 PM EDT

Chris Schafhauser, Department of Pure Math, University of Waterloo

“Quasidiagonal Traces and Crossed Products”

A trace on a C*-algebra is quasidiagonal if it can be approximated by traces on finite dimensional C*-algebras through completely positive maps. We will discuss what is known and not known about quasidiagonal traces and give some partial results for traces on crossed product C*-algebras. The strongest results are for crossed products given by integer actions on AF-algebras.

MC 5417

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