Reduction of structure for torsors over semilocal rings

DOI10.1007/s00229-008-0180-0zbMath1157.14028arXiv0710.2064OpenAlexW1969620968WikidataQ117379545 ScholiaQ117379545MaRDI QIDQ946495

B. E. Eshmatov

Publication date: 23 September 2008

Published in: Manuscripta Mathematica (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0710.2064

zbMATH Keywords

torsorgroup schemesemilocal ring

Mathematics Subject Classification ID

Cohomology theory for linear algebraic groups (20G10) Galois cohomology of linear algebraic groups (11E72) Group schemes (14L15)

Related Items

Essential dimension of algebraic groups, including bad characteristic ⋮ Twisted forms of toric varieties ⋮ The slice method for \(G\)-torsors ⋮ The behavior of essential dimension under specialization. II ⋮ Essential dimension of finite groups in prime characteristic ⋮ Torsors, reductive group schemes and extended affine Lie algebras ⋮ Versality of algebraic group actions and rational points on twisted varieties ⋮ Unramified algebraic Brauer group of homogeneous spaces

Cites Work

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• Torsors over the punctured affine line
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