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math.QA2010★ 2 cited
Module categories over graded fusion categories
Ehud Meir, Evgeny Musicantov
Let C be a fusion category which is an extension of a fusion category D by a finite group G. We classify module categories over C in terms of module categories over D and the exten…
math.QA2007★ 1 cited
On the Hopf-Schur group of a field
Eli Aljadeff, Juan Cuadra, Shlomo Gelaki +1
Let k be any field. We consider the Hopf-Schur group of k, defined as the subgroup of the Brauer group of k consisting of classes that may be represented by homomorphic images of H…