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math.QA2026
Fiber Functors of Equivariantizations of Finite Tensor Categories
César Galindo, Claudia Gallego, Yiby Morales
Let be a finite group acting on a finite tensor category . We classify fiber functors on the equivariantization in terms of equivariant exact modul…
math.QA2020★ 1 cited
Algebraic structures in group-theoretical fusion categories
Yiby Morales, Monique Müller, Julia Plavnik +3
It was shown by Ostrik (2003) and Natale (2017) that a collection of twisted group algebras in a pointed fusion category serve as explicit Morita equivalence class representatives…
math.QA2018★ 2 cited
Five-term exact sequence for Kac cohomology
César Galindo, Yiby Morales
We use relative group cohomologies to compute the Kac cohomology of matched pairs of finite groups. This cohomology naturally appears in the theory of abelian extensions of finite…