Non-isomorphic Hopf-Galois structures with isomorphic underlying Hopf algebras
Group Theory
2017-04-18 v1 Rings and Algebras
Abstract
We give a degree 8 separable extension having two non-isomorphic Hopf-Galois structures with isomorphic underlying Hopf algebras.
Cite
@article{arxiv.1406.5054,
title = {Non-isomorphic Hopf-Galois structures with isomorphic underlying Hopf algebras},
author = {Teresa Crespo and Anna Rio and Montserrat Vela},
journal= {arXiv preprint arXiv:1406.5054},
year = {2017}
}