Small-amplitude limit cycles of some non-smooth Li\'{e}nard systems
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摘要: 根据韩茂安等所得到的计算非光滑\,Li\'{e}nard\,系统的焦点量的方法, 应用\,maple\,程序, 给出一些较一般的非光滑\,Li\'{e}nard\,系统从原点处分支出的极限环数目.
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关键词:
- Li\'{e}nard 系统 /
- 焦点量 /
- 环性数
Abstract: Based on the results by HAN Mao-an, et al. for computing some focus values of non-smooth Li\'{e}nard systems, the number of limit cycles bifurcated from the origin of some more general non-smooth Li\'{e}nard systems were given by using maple process.-
Key words:
- \Li\'{e}nard systems /
- focus values /
- Hopf cyclicity
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[1] {1}HAN M A, LIU X. Hopf bifurcation for non-smoothLi\'{e}nard systems[J]. Int J Bifurcation and Chaos, 2009, 19(7):2401-2415.{2}TIAN Y, HAN M A. Hopf bifurcation for two types of Liénardsystems[J]. J Diff Eqs, 2011, 251: 834-859.{3} YANG L, LIU X, XING Y P. Study of limit cycles for somenon-smooth Lienard systems[J]. Journal of East China NormalUniversity (Natural Science). 2011, (3): 44-53.{4}COLL B, GASULL A, PROHENS R. Limit cycles for non smoothdifferential equations via schwarzian derivative[J]. J Diff Eqs,1996, 132: 203-221.
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