Electron. J. Differential Equations, Vol. 2017 (2017), No. 89, pp. 1-17.

Second-order bifurcation of limit cycles from a quadratic reversible center

Linping Peng, Bo Huang

Abstract:
This article concerns the bifurcation of limit cycles from a quadratic integrable and non-Hamiltonian system. By using the averaging theory, we show that under any small quadratic homogeneous perturbation, there is at most one limit cycle for the first order bifurcation and two for the second-order bifurcation arising from the period annulus of the unperturbed system, respectively. Moreover, in each case the upper bound is sharp.

Submitted March 2, 2016. Published March 28, 2017.
Math Subject Classifications: 34C07, 37G15, 34C05.
Key Words: Hamiltonian system; bifurcation; limit cycles; perturbation; averaging method; quadratic center.

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Linping Peng
School of Mathematics and System Sciences
Beihang University
LIMB of the Ministry of Education
Beijing 100191, China
email: penglp@buaa.edu.cn
Bo Huang
School of Mathematics and System Sciences
Beihang University
LIMB of the Ministry of Education
Beijing, 100191, China
email: bohuang0407@buaa.edu.cn

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