Orbit closures in the enhanced nilpotent cone (vol 219, pg 27, 2008)

被引：8
|
作者：
Achar, Pramod N. [1 ]
Henderson, Anthony [2 ]
机构：
[1] Louisiana State Univ, Dept Math, Baton Rouge, LA 70803 USA
[2] Univ Sydney, Sch Math & Stat, Sydney, NSW 2006, Australia
来源：
ADVANCES IN MATHEMATICS | 2011年 / 228卷 / 05期
关键词：
Enhanced nilpotent cone; Intersection cohomology; Affine pavings; Purity;
D O I：
10.1016/j.aim.2011.05.030
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
In this note, we point out an error in the proof of Theorem 4.7 of [P.N. Achar, A. Henderson, Orbit closures in the enhanced nilpotent cone, Adv. Math. 219 (1) (2008) 27-62], a statement about the existence of affine pavings for fibres of a certain resolution of singularities of an enhanced nilpotent orbit closure. We also give independent proofs of later results that depend on that statement, so all other results of that paper remain valid. (C) 2011 Elsevier Inc. All rights reserved.
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页码：2984 / 2988
页数：5
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