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Operator Algebra and Noncommutative Geometry Seminar Series
August 3, 2017 @ 11:30 am - 12:30 pm
Cuntz-Pimsner algebras from subgroup correspondences.
Professor Nadia S. Larsen (University of Oslo)
For a closed subgroup of a locally compact group the Rieffel induction
process gives rise to a C*-correspondence over the C*-algebra of the subgroup.
We study the associated Cuntz-Pimsner algebra and show that, by varying the
subgroup to be open, compact, or discrete, there are connections with the ExelPardo
correspondence arising from a cocycle, and also with graph algebras. This
is joint work with S. Kaliszewski and J. Quigg.