Quadratic forms over 𝑄 and Galois extensions of commutative rings

DOI10.1090/memo/0394zbMath0668.10028OpenAlexW4242345469MaRDI QIDQ3820681

Rick Miranda, David K. Harrison, Frank R. DeMeyer

Publication date: 1989

Published in: Memoirs of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/memo/0394

zbMATH Keywords

dimension functionabelian extensionsshort exact sequenceanisotropic quadratic formsKronecker-Weber theoremisomorphism classes of Galois extensionsconnected commutative ringconnected Galois extensionexponential algebrasWitt ring of the rational numbers

Mathematics Subject Classification ID

General binary quadratic forms (11E16) Galois theory and commutative ring extensions (13B05)

Related Items (4)

On cubic étale algebras ⋮ Galois extensions of prime degree ⋮ Quadratic Forms ⋮ A computation of the Witt index for rational quadratic forms

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