Newton polytopes of invariants of additive group actions

被引：12
|
作者：
Derksen, H
Hadas, O
Makar-Limanov, L
机构：
[1] MIT, Dept Math, Cambridge, MA 02139 USA
[2] Bar Ilan Univ, Dept Math & Comp Sci, IL-52900 Ramat Gan, Israel
[3] Wayne State Univ, Dept Math, Detroit, MI 48202 USA
来源：
JOURNAL OF PURE AND APPLIED ALGEBRA | 2001年 / 156卷 / 2-3期
关键词：
13;
D O I：
10.1016/S0022-4049(99)00151-6
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
It is shown that the vertices of Newton polytopes of invariants of an algebraic group action of the additive group of a field k of arbitrary characteristic on affine n-space over k lie on the coordinate hyperplanes. Furthermore, let E be the set of all edges of these Newton polytopes whose vertices lie in different coordinate hyperplanes. It is shown that one of these polytopes has edges with all directions represented in E. (C) 2001 Elsevier Science B.V. All rights reserved. MSC: 13.
引用
收藏
页码：187 / 197
页数：11
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