English

Copointed Hopf algebras over $\mathbb{S}_4$

Quantum Algebra 2017-10-27 v2

Abstract

We study the realizations of certain braided vector spaces of rack type as Yetter-Drinfeld modules over a cosemisimple Hopf algebra HH. We apply the strategy developed in arXiv:1212.5279 to compute their liftings and use these results to obtain the classification of finite-dimensional copointed Hopf algebras over S4\mathbb{S}_4.

Keywords

Cite

@article{arxiv.1706.06624,
  title  = {Copointed Hopf algebras over $\mathbb{S}_4$},
  author = {Agustín García Iglesias and Cristian Vay},
  journal= {arXiv preprint arXiv:1706.06624},
  year   = {2017}
}

Comments

27 pages. New title

R2 v1 2026-06-22T20:24:27.501Z