Flatness and freeness properties of the generic Hopf Galois extensions

zbMath1228.16032arXiv0911.3719MaRDI QIDQ3002486

Akira Masuoka, Christian Kassel

Publication date: 20 May 2011

Full work available at URL: https://arxiv.org/abs/0911.3719

zbMATH Keywords

Galois extensionsHopf algebrasgeneric extensionstwisted productscocycle flat extensions

Mathematics Subject Classification ID

Actions of groups and semigroups; invariant theory (associative rings and algebras) (16W22) Smash products of general Hopf actions (16S40) Galois theory and commutative ring extensions (13B05) Hopf algebras and their applications (16T05)

Related Items (5)

Generic base algebras and universal comodule algebras for some finite-dimensional Hopf algebras ⋮ Descent, fields of invariants, and generic forms via symmetric monoidal categories ⋮ Twisting algebras using non-commutative torsors: explicit computations. ⋮ Group algebras and normal basis problem ⋮ The Noether problem for Hopf algebras

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