On the deformations of Witt groups to tori. II

DOI10.1016/0021-8693(91)90173-6zbMath0735.14033OpenAlexW1969337308MaRDI QIDQ1174739

Tsutomu Sekiguchi

Publication date: 25 June 1992

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

Full work available at URL: https://doi.org/10.1016/0021-8693(91)90173-6

zbMATH Keywords

Kummer theoryArtin-Schreier theorydeformations of Witt groups to tori

Mathematics Subject Classification ID

Toric varieties, Newton polyhedra, Okounkov bodies (14M25) Algebraic theory of quadratic forms; Witt groups and rings (11E81)

Related Items

Sekiguchi-Suwa theory revisited, Models of \(\mu _{p^{2},K}\) over a discrete valuation ring, A note on extensions of algebraic and formal groups. IV: Kummer-Artin-Schreier-Witt theory of degree \(p^2\), Witt vectors. Part 1, Unnamed Item, Some cases of extensions of twisted group schemes over a discrete valuation ring, Isogenies of polynomial formal groups

Cites Work

• One-dimensional affine group schemes
• On flat fibrations by the affine line
• On the deformation of Artin-Schreier to Kummer
• On a Case of Extensions of Group Schemes
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