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math.QA2017
Equivalence classes of exact module categories over graded tensor categories
Adriana Mejía Castaño, Martín Mombelli
We describe equivalence classes of exact indecomposable module categories over a finite graded tensor category. When applied to a pointed fusion category, our results coincide with…
math.QA2017
Group actions on 2-categories
Eugenia Bernaschini, César Galindo, Martín Mombelli
We study actions of discrete groups on 2-categories. The motivating examples are actions on the 2-category of representations of finite tensor categories and their relation with th…