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author:

李玉婷 (李玉婷.) [1] | 吴承强 (吴承强.) [2]

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CQVIP PKU CSCD

Abstract:

研究三次系统{dx/dt=-y(ax^+bx+1)+Dx-lx^3 dy/dt=x(ax^2+bx+1) 在a=0,b≠0,D≥l/b^2与b^2=4a,b≠0,D≥4l/b^2时,该系统极限环的存在性问题,证明了系统在上述条件下均不存在极限环.

Keyword:

LIENARD方程 三次微分系统 极限环

Community:

  • [ 1 ] 福州大学数学与计算机科学学院,福建福州350108

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Source :

福州大学学报:自然科学版

ISSN: 1000-2243

CN: 35-1337/N

Year: 2009

Issue: 6

Page: 765-770

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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