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带广义对称性的等变分歧问题的研究
引用本文:刘瑞娟,施恩伟.带广义对称性的等变分歧问题的研究[J].四川理工学院学报(自然科学版),2009,22(5).
作者姓名:刘瑞娟  施恩伟
作者单位:云南师范大学数学学院,昆明,650092
基金项目:云南省教育厅基金资助项目 
摘    要:文章将主要研究在广义对称条件下分歧问题的相关性质,提出ΓΔ-等变概念,它是一般定义下等变概念的推广,在此基础上研究在接触等价条件下ΓΔ-等变分歧问题的相关基本性质:ΓΔ-不变函数芽环上的有限生成模与相应切空间的性质,ΓΔ-等变分歧问题的开折是通用开折的一个充分必要条件。推广了前人工作的结果。

关 键 词:ΓΔ-等变分歧问题  通用开折  接触等价

Discussion and Research of Equivariant Bifurcation Problem with Generalized Symmetry
LIU Rui-juan,SHI En-wei.Discussion and Research of Equivariant Bifurcation Problem with Generalized Symmetry[J].Journal of Sichuan University of Science & Engineering:Natural Science Editton,2009,22(5).
Authors:LIU Rui-juan  SHI En-wei
Abstract:In this paper,some main properties of bifurcation problem with generalized symmetry are studied.The main result is that the conception of ΓΔ-equivariance is given.It is an extension of general conception of ΓΔ-equivariance.On this base,some properties of ΓΔ-equivariant bifurcation problem under contact equivalence are obtained:the finite modules over the rings of ΓΔ-invariant functons and the property of its tangent space are obtained and an sufficient and necessary conditon that an unfolding of ΓΔ-bifurcation problem is a versal unfolding is given.Therefore,the results of predecessors are extended.
Keywords:ΓΔ-equivariant bifurcation problem  versal unfolding  contact equivalent
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