Formal completions of Neron models for algebraic tori

被引：3
|
作者：
Demchenko, Oleg [1 ]
Gurevich, Alexander
Xarles, Xavier [2 ,3 ]
机构：
[1] St Petersburg State Univ, Dept Math & Mech, St Petersburg 198504, Russia
[2] Bar Ilan Univ, Dept Math, IL-52900 Ramat Gan, Israel
[3] Univ Autonoma Barcelona, Dept Matemat, E-08193 Barcelona, Catalonia, Spain
来源：
PROCEEDINGS OF THE LONDON MATHEMATICAL SOCIETY | 2010年 / 100卷
基金：
俄罗斯基础研究基金会;
关键词：
LAWS;
D O I：
10.1112/plms/pdp039
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We calculate the formal group law that represents the completion of the Neron model for an algebraic torus over Q split in a tamely ramified abelian extension. To that end, we introduce an analogue of the fixed part of a formal group law with respect to a group action and give a method to compute its Honda p-types.
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页码：607 / 638
页数：32
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