Semiinvariants for Hopf algebra actions

DOI10.1007/BF02937515zbMath0827.16026OpenAlexW2035125989MaRDI QIDQ1343853

Sara Westreich, Miriam Cohen, Serban Raianu

Publication date: 30 November 1995

Published in: Israel Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf02937515

zbMATH Keywords

group algebrasgroup-like elementsHopf algebrassmash productsantipodepointed Hopf algebraswedge productsright \(H\)-comodule algebrassubalgebra of \(H\)-coinvariant elements\(H\)-comodule homomorphisms\(H\)-Galois extensionssubalgebra of semiinvariantstotal integral

Mathematics Subject Classification ID

Automorphisms and endomorphisms (16W20) Graded rings and modules (associative rings and algebras) (16W50) Smash products of general Hopf actions (16S40)

Related Items

Galois extensions for co-Frobenius Hopf algebras ⋮ Quantum groups of dimension \(pq^2\) ⋮ Almost-triangular Hopf algebras. ⋮ On Galois extension of Hopf algebras. ⋮ On generalized invariants of injective nonsingular module algebras ⋮ Determinants, integrality and Noether's theorem for quantum commutative algebras ⋮ Krull relations in Hopf Galois extensions: lifting and twisting. ⋮ On actions of Hopf algebras with cocommutative coradical ⋮ Wide Morita contexts, relative injectivity and equivalence results. ⋮ Semi-invariants of actions of multiplier hopf algebras ⋮ Prime ideals in Hopf Galois extensions ⋮ On yetter-drinfeld categories andH-commutativity ⋮ Semiprime crossed products over copointed Hopf algebras

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