Free product decomposltions of galois groups over pythagorean fields
DOI10.1080/00927879308824813zbMath0799.12001OpenAlexW2000026855MaRDI QIDQ4275277
Publication date: 22 November 1994
Published in: Communications in Algebra (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1080/00927879308824813
decomposition theorempythagorean fieldsmaximal pro-2 Galois groupfan closureMarshall-equivalence classes
Separable extensions, Galois theory (12F10) Fields related with sums of squares (formally real fields, Pythagorean fields, etc.) (12D15) Free products of groups, free products with amalgamation, Higman-Neumann-Neumann extensions, and generalizations (20E06) Representations of groups as automorphism groups of algebraic systems (20F29) Ordered fields (12J15)
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Cites Work
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- Lectures on formally real fields
- Stability in Witt rings and abelian subgroups of pro-2-Galois groups
- On the structure of Pythagorean fields
- Characterization of fans and hereditarily pythagorean fields
- Subgroups of free pro-p-products
- On Closed Subgroups of Free Products of Profinite Groups
- Spaces of Orderings IV
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