Splitting theorems for quadratic ring extensions

zbMath0488.13007MaRDI QIDQ1165905

J. E. McLaughlin, Melvin Hochster

Publication date: 1983

Published in: Illinois Journal of Mathematics (Search for Journal in Brave)

zbMATH Keywords

S3ring of invariantsgroup cohomologysplittingSerre conditionscomplete local factorial hypersurfacelocally factorial Noetherian domainquadratic ring extensionsR2supernormal domain

Mathematics Subject Classification ID

Varieties defined by ring conditions (factorial, Cohen-Macaulay, seminormal) (14M05) Commutative Noetherian rings and modules (13E05) Surfaces and higher-dimensional varieties (14J99) Structure, classification theorems for modules and ideals in commutative rings (13C05) Commutative rings defined by factorization properties (e.g., atomic, factorial, half-factorial) (13F15) Extension theory of commutative rings (13B02)

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