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math.QA2021
Modular tensor categories, subcategories, and Galois orbits
Julia Plavnik, Andrew Schopieray, Zhiqiang Yu +1
We establish a set of general results to study how the Galois action on modular tensor categories interacts with fusion subcategories. This includes a characterization of fusion su…
math.QA2021★ 1 cited
On the minimal extension and structure of weakly group-theoretical braided fusion categories
Victor Ostrik, Zhiqiang Yu
We show that any slightly degenerate weakly group-theoretical fusion category admits a minimal non-degenerate extension. Let be a positive square-free integer, given a weakly g…