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Publication:3804855
zbMATH Open0657.16016MaRDI QIDQ3804855
Publication date: 1987
Title of this publication is not available (Why is that?)
Galois extensionsHopf algebrasFrobenius mapArtin-Schreier-Witt theoryu-cyclic \(p^ n\)-extensionsWitt group scheme
Deformations of associative rings (16S80) Group schemes (14L15) Centralizing and normalizing extensions (16S20)
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