Cyclicity of a kind of degenerate polycycles through three singular points

zbMath1107.34040MaRDI QIDQ2496382

Lincheng Zhao

Publication date: 14 July 2006

Published in: Science in China. Series A (Search for Journal in Brave)

zbMATH Keywords

cyclicitydegenerate polycyclefinitely-smooth normal formtransition map

Mathematics Subject Classification ID

Theory of limit cycles of polynomial and analytic vector fields (existence, uniqueness, bounds, Hilbert's 16th problem and ramifications) for ordinary differential equations (34C07) Homoclinic and heteroclinic solutions to ordinary differential equations (34C37)

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Linear estimation and distribution of the limit cycles bifurcated from a kind of degenerate polycycles

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