Quadratic forms and pro-2-groups. III. Rigid elements and semidirect products

DOI10.1080/00927878508823248zbMath0569.10008OpenAlexW2143061429MaRDI QIDQ3686777

Roger Ware

Publication date: 1985

Published in: Communications in Algebra (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/00927878508823248

zbMATH Keywords

anisotropic quadratic formsexistence of double rigid elementsstructure of the Galois groupstructure of Witt ring

Mathematics Subject Classification ID

Algebraic theory of quadratic forms; Witt groups and rings (11E81) Field extensions (12F99)

Related Items (4)

A recursive description of the maximal pro-2 Galois group via Witt rings ⋮ Quadratic forms over dyadic valued fields. II: Relative rigidity and Galois cohomology ⋮ The kernel unipotent conjecture and the vanishing of Massey products for odd rigid fields ⋮ Automorphisms of pythagorean fields and their witt rings

Cites Work

• Unnamed Item
• Quadratic forms, rigid elements, and formal power series fields
• Quadratic forms under algebraic extensions
• When are Witt rings group rings? II
• Quadratic forms and profinite 2-groups
• Cohomologie galoisienne. Cours au Collège de France, 1962--1963. 3ième éd.

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