Eleven small limit cycles in a cubic vector field
Eleven small limit cycles in a cubic vector field
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DOI:
10.1088/0951-7715/8/5/011
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发表时间:
1995-09
期刊:
影响因子:
1.7
通讯作者:
H. Zoladek
中科院分区:
文献类型:
--
作者:
H. Zoladek
We present an example of a cubic planar vector field with a centre from which eleven small-amplitude limit cycles bifurcate after suitable cubic perturbation. Previous examples gave at most eight limit cycles.