On the Number of Limit Cycles in Piecewise-Linear Liénard Systems

On the Number of Limit Cycles in Piecewise-Linear Liénard Systems
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DOI:
10.1142/s0218127405012624
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发表时间:
2005-04
期刊:
Int. J. Bifurc. Chaos
影响因子:
--
通讯作者:
A. Tonnelier
A. Tonnelier
中科院分区:
其他
文献类型:
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作者:
A. Tonnelier

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在前文[Tonnelier,2002]中,我们猜想形式为ẋ=p(X)-y,ẏ=x的Lienard系统有至多2n个极限环,其中p在n+1区间上是分段线性的。我们在这里构造了满足这一猜想的一般函数类p。极限环由线性中心的分叉得到。
In a previous paper [Tonnelier, 2002] we conjectured that a Lienard system of the form ẋ = p(x) - y, ẏ = x where p is piecewise linear on n + 1 intervals has up to 2n limit cycles. We construct here a general class of functions p satisfying this conjecture. Limit cycles are obtained from the bifurcation of the linear center.