scientific article; zbMATH DE number 482792
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Publication:4274976
zbMath0793.16029MaRDI QIDQ4274976
Publication date: 15 December 1993
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crossed productsGalois extensionsHopf algebrasinvariantsquantum groupssmash productscoactionsactionscleft extensionsinner actionsNichols-Zoeller freeness theoremSkolem- Noether type theorems
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