Representations of the category of modules over pointed Hopf algebras over S_3 and S_4

Details Representations of the category of modules over pointed Hopf algebras over S_3 and S_4 Representations of the category of modules over pointed Hopf algebras over S_3 and S_4

2010-06-09

arxiv.org/abs/1006.1857v6

Mathematics

Quantum Algebra

33 pages. An incompletness in Theorem 4.1 was found and corrected. Theorem 6.6 was corrected and accordingly Theorems 7.3 and

Scientific paper

We classify exact indecomposable module categories over the representation
category of all non-trivial Hopf algebras with coradical S_3 and S_4. As a
byproduct, we compute all its Hopf-Galois extensions and we show that these
Hopf algebras are cocycle deformations of their graded versions.

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