Galois groups of maximal 2-extensions

DOI10.1007/BF01161591zbMath0573.12008OpenAlexW2008489585MaRDI QIDQ1063068

Yuri L. Ershov

Publication date: 1984

Published in: Mathematical Notes (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01161591

zbMATH Keywords

Galois groupformally real fieldmaximal 2-extensionPythagorean closureBrauer group of a pseudo-real closed fieldSAP-field

Mathematics Subject Classification ID

Separable extensions, Galois theory (12F10) Galois cohomology (12G05) Fields related with sums of squares (formally real fields, Pythagorean fields, etc.) (12D15) Brauer groups of schemes (14F22) Forms over real fields (11E10)

Related Items (3)

A recursive description of pro-\(p\) Galois groups ⋮ Witt rings and almost free pro-2-groups ⋮ Local-global principles for Witt rings

Cites Work

• Quadratic forms and profinite 2-groups
• On some Hasse principles over formally real fields

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