Non-isomorphic Hopf-Galois structures with isomorphic underlying Hopf algebras

arxiv: 1406.5054 · v1 · pith:CMLHFZ5Hnew · submitted 2014-06-19 · 🧮 math.GR · math.RA

Teresa Crespo , Anna Rio , Montserrat Vela This is my paper

classification 🧮 math.GR math.RA

keywords algebrashopfhopf-galoisisomorphicnon-isomorphicstructuresunderlyingdegree

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We give a degree 8 separable extension having two non-isomorphic Hopf-Galois structures with isomorphic underlying Hopf algebras.

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