Integral forms and torsors of inseparable forms of G_a
Algebraic Geometry
2021-05-17 v2 Group Theory
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 isomorphisms classes of torsors of one-dimensional groups.
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Cite
@article{arxiv.2105.06425,
title = {Integral forms and torsors of inseparable forms of G_a},
author = {Igor Dolgachev},
journal= {arXiv preprint arXiv:2105.06425},
year = {2021}
}
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34 pages