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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Frucht theorem for finite quantum groups
Frucht theorem for finite quantum groupsAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact nobody. QIAW02 - New trends at the intersection of quantum information theory, quantum groups and operator algebras I will report on an on-going project with Michael Brannan, Daniel Gromada, Junichiro Matsuda, and Adam Skalski. A classical result of Frucht says that every finite group can be realized as an automorphism group of a finite graph. Due to Banica and McCarthy, the following analogue does not hold: not every finite quantum group is a quantum automorphism group of a finite graph, e.g. the dual of the permutation group on three generators. Nevertheless we obtained a version of Frucht’s theorem utilizing quantum graphs: every finite quantum group is a quantum automorphism group of a finite quantum graph. Moreover, the argument is more efficient than the original one in the case of classical groups. For a given finite quantum group we also tackled the following question: when can we find a quantum Cayley graph, whose quantum automorphism group is the original finite quantum group. I will offer some answers, mostly for duals of classical groups. This talk is part of the Isaac Newton Institute Seminar Series series. This talk is included in these lists:
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