HORIZONTAL GA-ACTIONS ON AFFINE T-VARIETIES OF COMPLEXITY ONE

被引:0
|
作者
Langlois, Kevin [1 ]
机构
[1] Heinrich Heine Univ, Math Inst, D-40225 Dusseldorf, Germany
来源
MATEMATICHE | 2019年 / 74卷 / 01期
关键词
G(a)-action; Algebraic torus action; Characteristic p methods; POLYHEDRAL DIVISORS; TORUS ACTIONS; SURFACES;
D O I
10.4418/2019.74.1.5
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We classify the 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. [12, 16, 17]).
引用
收藏
页码:75 / 94
页数:20
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