Journal
BULLETIN OF THE LONDON MATHEMATICAL SOCIETY
Volume 53, Issue 3, Pages 777-791Publisher
WILEY
DOI: 10.1112/blms.12459
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Funding
- Romanian Ministry of Research and Innovation CNCS-UEFISCDI within PNCDI III [PN-III-P4-ID-PCE-2016-0157]
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This paper studies conjugacy classes for pivotal fusion categories and proves a Burnside type formula for the structure constants concerning the product of two conjugacy class sums of such a fusion category. It also shows that for a braided weakly integral fusion category, these structure constants multiplied by dim(C) are non-negative integers, expanding on previous results in the settings of semisimple quasitriangular Hopf algebras by Zhou and Zhu.
In this paper, we study conjugacy classes for pivotal fusion categories. In particular, we prove a Burnside type formula for the structure constants concerning the product of two conjugacy class sums of such a fusion category. For a braided weakly integral fusion category C, we show that these structure constants multiplied by dim(C) are non-negative integers, extending some results obtained by Zhou and Zhu (see Preprint, 2019, arXiv:1912.07831v1) in the settings of semisimple quasitriangular Hopf algebras.
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