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August 2022 Integral Models and Torsors of Inseparable Forms of Ga
Igor Dolgachev
Michigan Math. J. 72: 209-242 (August 2022). DOI: 10.1307/mmj/20217211

Abstract

After recalling some basic facts about F-wound commutative unipotent algebraic groups over an imperfect field F, we study their regular integral models over Dedekind schemes of positive characteristic and compute the group of isomorphism classes of torsors of one-dimensional groups.

Dedication

To Gopal Prasad

Citation

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Igor Dolgachev. "Integral Models and Torsors of Inseparable Forms of Ga." Michigan Math. J. 72 209 - 242, August 2022. https://doi.org/10.1307/mmj/20217211

Information

Received: 27 April 2021; Revised: 13 May 2021; Published: August 2022
First available in Project Euclid: 2 August 2022

Digital Object Identifier: 10.1307/mmj/20217211

Subjects:
Primary: 11E72 , 14J27 , 14J28 , 20G15

Rights: Copyright © 2022 The University of Michigan

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Vol.72 • August 2022
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