2010/06/09 by Iglesias, Agustín García, Mombelli, Martín · 1 citation
#16W30 #18D10 #FOS: Mathematics #Quantum Algebra (math.QA) #Rings and Algebras (math.RA)
paper · doi:10.48550/arxiv.1006.1857
We classify exact indecomposable module categories over the representation category of all non-trivial Hopf algebras with coradical S3 and S4. As a byproduct, we compute all its Hopf-Galois extensions and we show that these Hopf algebras are cocycle deformations of their graded versions.