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author:

李玉婷 (李玉婷.) [1] | 吴承强 (吴承强.) [2] (Scholars:吴承强)

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CQVIP PKU CSCD

Abstract:

研究三次系统{(dx)/(dt)=-y(ax~2+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 ] [李玉婷]福州大学
  • [ 2 ] [吴承强]福州大学

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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

Volume: 37

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: -1

Chinese Cited Count:

30 Days PV: 1

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