Cohomological obstructions to cleft extensions over cocommutative Hopf algebras

DOI10.1023/A:1013302325728zbMath1003.16035OpenAlexW2067812791MaRDI QIDQ1598949

Peter Schauenburg

Publication date: 28 October 2002

Published in: \(K\)-Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1023/a:1013302325728

zbMATH Keywords

crossed productsobstructionstwisted actionscleft extensionscocommutative Hopf algebrasSweedler cohomology

Mathematics Subject Classification ID

(Co)homology of rings and associative algebras (e.g., Hochschild, cyclic, dihedral, etc.) (16E40) Smash products of general Hopf actions (16S40)

Related Items (2)

Cohomology for partial actions of Hopf algebras ⋮ Cohomological obstructions and weak crossed products over weak Hopf algebras

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