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author:

李玉婷 (李玉婷.) [1] | 吴承强 (吴承强.) [2]

Indexed by:

PKU CSCD

Abstract:

研究三次系统dx/dt=-y(ax2+bx+1)+Dx-lx3dy/dt=x(ax2+bx+1)在a=0,b≠0,D≥l/b2与b2=4a,b≠0,D≥4b/2l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

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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: 06

Volume: 37

Page: 765-770

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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