Versal deformations in orbit spaces

被引：3
|
作者：
Puerta, F [1 ]
Puerta, X [1 ]
Tarragona, S [1 ]
机构：
[1] UPC, Escola Tecn Super Enginyers Ind Barcelona, Dept Matemat Aplicada 1, Barcelona 08028, Spain
来源：
LINEAR ALGEBRA AND ITS APPLICATIONS | 2004年 / 379卷
关键词：
versal deformatiom; orbit space; Grassmann manifold; flag manifold; (C; A)-invariant subspace;
D O I：
10.1016/S0024-3795(03)00578-0
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
Given an orbit space M/Gamma and an equivalence relation defined in it by means of the action of a group G, we obtain a miniversal deformation of an orbit through a miniversal deformation in M with regard to a suitable group action of G x Gamma. We show some applications to the perturbations of m-tuples of subspaces and (C, A)-invariant subspaces. (C) 2003 Elsevier Inc. All rights reserved.
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页码：329 / 343
页数：15
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