paper

On some H-Galois objects which are distinguished by their polynomial H-identities

arXiv:2203.10619 · doi:10.1007/s00013-020-01508-6

Abstract

When k is an algebraically closed field of characteristic 0 and H is a non-semisimple monomial Hopf algebra, we show that all Galois objects over H are determined up to H-comodule algebra isomorphism by their polynomial H-identities, extending a previous result by Kassel.

On some H-Galois objects which are distinguished by their polynomial H-identities · wovepaper