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Gauge freeness for Cuntz-Pimsner algebras by Chirvasitu, Alexandru is a scholarly article available to read on EtoBox.

What is Gauge freeness for Cuntz-Pimsner algebras about?

To every $C^*$ correspondence over a $C^*$-algebra one can associate a Cuntz-Pimsner algebra generalizing crossed product constructions, graph $C^*$-algebras, and a host of other classes of operator algebras. Cuntz-Pimsner algebras come equipped with a `gauge action' by the circle group and its finite subgroups. For unital Cuntz-Pimsner algebras, we derive necessary and sufficient conditions for the gauge actions (by either the circle or its closed subgroups) to be free.

Author

Chirvasitu, Alexandru

Published

2018

Language

EN