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