受扰动的三次Hamilton系统中12个极限环的分布情况  

Distributions of twelve limit cycles in the cubic Hamiltonian systems with perturbed term

作　　者：洪晓春[1] 

机构地区：[1]曲靖师范学院初等教育系,云南曲靖655000

出　　处：《宝鸡文理学院学报（自然科学版）》2002年第2期109-112,共4页Journal of Baoji University of Arts and Sciences(Natural Science Edition)

摘　　要：用定性分析和数值判定方法在带有 5次扰动的三次平面 Hamilton系统中发现了 1 2个极限环 ,给出了这 1Through both qualitative analysis and numerical exploration the author demonstrates that there are twelve limit cycles in the cubic Hamiltonian systems of planar with perturbed term of degree 5, and the distributed orderliness of the 12 limit cycles are presented.

关 键 词：HAMILTON系统 判定函数 极限环 相图 

分 类 号：O175.12[理学—数学]