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math.OA2023
Analysis for idempotent states on quantum permutation groups
J. P. McCarthy
Woronowicz proved the existence of the Haar state for compact quantum groups under a separability assumption later removed by Van Daele in a new existence proof. A minor adaptation…
math.OA2021★ 4 cited
The Frucht property in the quantum group setting
Teo Banica, J. P. McCarthy
A classical theorem of Frucht states that any finite group appears as the automorphism group of a finite graph. In the quantum setting the problem is to understand the structure of…