Minimal nondegenerate extensions

DOI10.1090/jams/1023zbMath1522.18030arXiv2105.15167OpenAlexW3169644112MaRDI QIDQ6053543

Theo Johnson-Freyd, David Reutter

Publication date: 19 October 2023

Published in: Journal of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2105.15167

Mathematics Subject Classification ID

2-categories, bicategories, double categories (18N10) Fusion categories, modular tensor categories, modular functors (18M20) Braided monoidal categories and ribbon categories (18M15)

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Minimal extensions of Tannakian categories in positive characteristic ⋮ Drinfel'd double symmetry of the 4d Kitaev model ⋮ Compact semisimple 2-categories ⋮ Symmetry TFTs for non-invertible defects ⋮ On the minimal extension and structure of braided weakly group-theoretical fusion categories

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