Crossed extensions of the corepresentation category of finite supergroup algebras

Abstract

We present explicit examples finite tensor categories that are C_2-graded extensions of the corepresentation category of certain finite-dimensional non-semisimple Hopf algebras.

26 pages. An error in the product given in definition 4.7 was corrected

Cited by in corpus (1)

• The group of bi-Galois objects over the coordinate algebra of the Frobenius-Lusztig kernel of SL(2)