Ext//ad(SpR,\(mu^ A)\)=Br(A/k)
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Publication:1155699
DOI10.1016/0021-8693(80)90170-2zbMath0467.16006OpenAlexW1977203388MaRDI QIDQ1155699
Publication date: 1980
Published in: Journal of Algebra (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/0021-8693(80)90170-2
Hochschild cohomologyAzumaya algebrascommutative Hopf algebraBrauer groupdual Hopf algebraadmissible extensionscocycle groupcommutative right comodule algebrafppf coveringgroup sheavesgroup-like Hopf algebraSweedler's cohomology
Brauer groups of schemes (14F22) Separable algebras (e.g., quaternion algebras, Azumaya algebras, etc.) (16H05) Group schemes (14L15) Homological methods in associative algebras (16Exx)
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