非半简分叉问题的范式*
Normal Form of the Nonsemi-Simple Bifurcation Problem
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						Abstract: On the basis of the method proposed in[1]. the paper gives the method for finding thenormal form of nonsemi-simple bifurcation problems. As an example, it analyses thenormal form of a general nonlinear dynamical system with the nonsemi-simple double zeroeigenvalues, and gives out the expression for the coefficients in the normal form by usingthose in the original system.- 
									Key words:
									
- normal form /
- nonsemi-simple bifurcation
 
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						[1] 吴志强,一种求解高维非线性动力系统范式的新方法,夭津大学博士学位论文(1996). [2] Wang Duo,An introduction to the normal form theory of ordinary differential equations,Advances in Mathematics, 19(1)(1990), 1-35. [3] 陈予恕,《非线性振动系统的分叉和混沌理论》,高等教育出版社,北京(1993). [4] 陈予恕、吴志强,多重非内共振Hopf分叉范式,力学学报.(待刊出) 
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