A cubic system with thirteen limit cycles
DOI10.1016/j.jde.2009.01.038zbMath1176.34037OpenAlexW2081699720MaRDI QIDQ1018377
Jiazhong Yang, Changjian Liu, Chengzhi Li
Publication date: 19 May 2009
Published in: Journal of Differential Equations (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/j.jde.2009.01.038
Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05) Theory of limit cycles of polynomial and analytic vector fields (existence, uniqueness, bounds, Hilbert's 16th problem and ramifications) for ordinary differential equations (34C07) Ordinary differential equations and connections with real algebraic geometry (fewnomials, desingularization, zeros of abelian integrals, etc.) (34C08)
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