On the number of limit cycles in quadratic perturbations of quadratic codimension-four centres
On the number of limit cycles in quadratic perturbations of quadratic codimension-four centres
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二次余维四中心二次扰动的极限环数
DOI:
10.1088/0951-7715/24/9/007
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发表时间:
2010-11
期刊:
影响因子:
1.7
通讯作者:
Zhao, Yulin
中科院分区:
文献类型:
--
作者:
Zhao, Yulin
This paper is concerned with the bifurcation of limit cycles in general quadratic perturbations of quadratic codimension-four centres Q4. Gavrilov and Iliev set an upper bound of eight for the number of limit cycles produced from the period annuli around
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影响因子:
1.7
作者:
I. Iliev;Chengzhi Li;Jiang Yu
通讯作者:
I. Iliev;Chengzhi Li;Jiang Yu
影响因子:
0.4
作者:
G. Petrov
通讯作者:
G. Petrov
影响因子:
2.4
作者:
I. Iliev
通讯作者:
I. Iliev
DOI:
--
发表时间:
1998
期刊:
--
影响因子:
--
作者:
P. Mardešić
通讯作者:
P. Mardešić
影响因子:
1.3
作者:
Yulin Zhao;Siming Zhu
通讯作者:
Yulin Zhao;Siming Zhu