Mathematics > Algebraic Geometry
[Submitted on 21 May 2018 (v1), last revised 5 Apr 2019 (this version, v2)]
Title:Horizontal Ga-actions on affine T-varieties of complexity one
View PDFAbstract:We classify the $\mathbb{G}_{a}$-actions on normal affine varieties defined over any field that are horizontal with respect to a torus action of complexity one. This generalizes previous results that were available for perfect ground fields (cf. [Flenner-Zaidenberg2005, Liendo2010, L-Liendo2016]).
Submission history
From: Kevin Langlois [view email][v1] Mon, 21 May 2018 11:52:37 UTC (15 KB)
[v2] Fri, 5 Apr 2019 12:55:42 UTC (18 KB)
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