XXXVIII Workshop on Geometric Methods in Physics 30.06-6.07.2019
VIII School on Geometry and Physics 24-28.06.2019

Adam Skalski

On C*-completions of discrete quantum group rings

We will discuss just infiniteness of C*-algebras associated to discrete quantum groups and relate it to the C*-uniqueness of the quantum groups in question, i.e. to the uniqueness of a C*-completion of the underlying Hopf *-algebra. We will show that duals of q-deformations of compact Lie groups are never C*-unique, and on the other hand present an example of a discrete quantum group which is not locally finite and yet is C*-unique. Joint work with Martijn Caspers.

Event sponsored by:
of Bialystok
University of Bialystok

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