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一类原点为幂零奇点的七次系统的焦点判定与极限环分支 被引量:1

The focus determination and bifurcation of limit cycles of the seven system of a kind of origin is nilpotent singular point
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摘要 研究一类原点为幂零奇点的七次系统的焦点判定和极限环分支问题。利用已计算出的该系统原点的前9个拟Lyapunov常数,推导出原点成为最高细焦点的条件,并在此基础上得到了此系统的扰动系统在原点邻域内恰有9个包围原点的极限环的结论。 研究一类原点为幂零奇点的七次系统的焦点判定和极限环分支问题。利用已计算出的该系统原点的前9个拟Lyapunov常数,推导出原点成为最高细焦点的条件,并在此基础上得到了此系统的扰动系统在原点邻域内恰有9个包围原点的极限环的结论。
出处 《佳木斯教育学院学报》 2012年第3期144-,156,共2页 Journal of Jiamusi Education Institute
关键词 七次系统 幂零奇点 拟Lyapunov常数 焦点 原点 扰动 极限环分支 seven system nilpotent singular points quasi Lyapunov constant focus origin perturbation bifurcation of limit cycles
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同被引文献5

  • 1刘一戎,李继彬.平面向量场的若干经典问题[M].北京:科学出版社,2010. 被引量:11
  • 2Amelikin.B.B.,Lukashivich.H.A.,Sadovski.A.P.,Nonlinear Oscillations in Second Systems [M].Russian:BGY Lenin.B.I.Press.1982. 被引量:1
  • 3Alvarez.M.J.,Gasull.A., Monodrama and stability for nilpotent critical points[J].IJBC.2005, (4):1253-1265. 被引量:1
  • 4Alvarez.MJ.,Gasull.A., Cenerating limits cycles from a nilpotent critical point via normal forms[J]J.Math.Anal.Appl,2006, (318): 271-287. 被引量:1
  • 5徐玲,刘一戎.一类四次系统幂零中心焦点判定与极限环分支[J].丽水学院学报,2011,33(2):1-5. 被引量:1

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