A characterization of local complete intersections in terms of the Ext- algebra

DOI10.1016/0021-8693(80)90142-8zbMath0439.13013OpenAlexW2029296671MaRDI QIDQ1142255

Gunnar Sjödin

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)90142-8

zbMATH Keywords

ExtHopf algebralocal complete intersection

Mathematics Subject Classification ID

Ext and Tor, generalizations, Künneth formula (category-theoretic aspects) (18G15) Local rings and semilocal rings (13H99)

Cites Work

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• Hopf algebras and derivations
• On the structure of Hopf algebras
• Hopf algebras with divided powers
• A set of generators for $\mathrm{Ext}_R(k,k)$.
• Hopf Algebras and Multiplicative Fibrations, I

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