Deformations with respect to an algebraic group.
type: Item
instance of: scholarly article
title: Deformations with respect to an algebraic group.
zbMATH Open document ID: 1054.20005
author: Frauke Bleher
author: Ted Chinburg
published in: Illinois Journal of Mathematics
publication date: 2003-10-16T00:00:00Z
review text: Let \(\mathcal G\) be a smooth linear algebraic group over the ring of Witt vectors of a finite field \(k\). Deformations of representations of a profinite group into \({\mathcal G}(k)\) are studied.
reviewed by: L. N. Vaserstein
Mathematics Subject Classification ID: 20C20
Mathematics Subject Classification ID: 11E81
Mathematics Subject Classification ID: 11E88
Mathematics Subject Classification ID: 20E18
Mathematics Subject Classification ID: 20G05
zbMATH DE Number: 1993661
zbMATH Keywords: deformations of representations
zbMATH Keywords: rings of Witt vectors
zbMATH Keywords: linear algebraic groups
zbMATH Keywords: profinite groups
zbMATH Keywords: versal deformation rings
zbMATH Keywords: deformation functors
zbMATH Keywords: orthogonal groups
zbMATH Keywords: Stiefel-Whitney classes
zbMATH Keywords: spinor norms
zbMATH Keywords: Hasse-Witt invariants
zbMATH Keywords: orthogonal Galois representations
MaRDI profile type: Publication
description: scientific article; zbMATH DE number 1993661