Samuel Hannah
Frobenius Monoidal Functors of Dijkgraaf-Witten Categories and Rigid Frobenius Algebras
Hannah, Samuel; Laugwitz, Robert; Ros Camacho, Ana
Abstract
We construct a separable Frobenius monoidal functor from Z Vect ω| H H to Z Vect ω G for any subgroup H of G which preserves braiding and ribbon structure. As an application, we classify rigid Frobenius algebras in Z Vect ω G , recovering the classification ofétale ofétale algebras in these categories by Davydov-Simmons [J. Algebra 471 (2017), 149-175, arXiv:1603.04650] and generalizing their classification to algebraically closed fields of arbitrary characteristic. Categories of local modules over such algebras are modular tensor categories by results of Kirillov-Ostrik [Adv. Math. 171 (2002), 183-227, arXiv:math.QA/0101219] in the semisimple case and Laugwitz-Walton [Comm. Math. Phys., to appear, arXiv:2202.08644] in the general case.
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 26, 2023 |
Online Publication Date | Oct 12, 2023 |
Publication Date | 2023 |
Deposit Date | Oct 13, 2023 |
Publicly Available Date | Oct 13, 2023 |
Journal | Symmetry, Integrability and Geometry: Methods and Applications |
Electronic ISSN | 1815-0659 |
Peer Reviewed | Peer Reviewed |
Volume | 19 |
Article Number | 075 |
DOI | https://doi.org/10.3842/sigma.2023.075 |
Keywords | Frobenius monoidal functor; Frobenius algebra; Dijkgraaf-Witten category; local module; modular tensor category; étale algebra. |
Public URL | https://nottingham-repository.worktribe.com/output/25946128 |
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