刊物主题:Mathematics Mathematics Dynamical Systems and Ergodic Theory Difference and Functional Equations
出版者:Birkh盲user Basel
ISSN:1662-3592
卷排序:15
文摘
There is a folklore about the equivalence between the Melnikov method and the averaging method for studying the number of limit cycles, which are bifurcated from the period annulus of planar analytic differential systems. But there is not a published proof. In this short paper, we prove that for any positive integer k, the kth Melnikov function and the kth averaging function, modulo both Melnikov and averaging functions of order less than k, produce the same number of limit cycles of planar analytic (or \(C^\infty \)) near-Hamiltonian systems.
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