\(u=4\) and quadratic extensions

DOI10.1216/RMJ-1989-19-3-833zbMath0699.10031OpenAlexW2034239382MaRDI QIDQ912893

Michel Spira, Mináč, Ján

Publication date: 1989

Published in: Rocky Mountain Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1216/rmj-1989-19-3-833

zbMATH Keywords

quadratic extensionu-invariantnonreal fieldanisotropic quadratic formrigid element

Mathematics Subject Classification ID

Quadratic forms over general fields (11E04) Cohomological dimension of fields (12G10) Algebraic theory of quadratic forms; Witt groups and rings (11E81)

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