Unfolding of a quadratic integrable system with two centers and two unbounded heteroclinic loops

DOI10.1006/jdeq.1997.3285zbMath0883.34035OpenAlexW2022817035MaRDI QIDQ1368606

Freddy Dumortier, Chengzhi Li, Zhi-Fen Zhang

Publication date: 16 March 1998

Published in: Journal of Differential Equations (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/a14fa303712f1d45a2f39af49da7930e9cda44a3

zbMATH Keywords

perturbation limit cycles Abelian integral bifurcation diagram centers heteroclinic loop integrable quadratic system quadratic 3-parameter unfoldings structurally stable phase-portraits

Mathematics Subject Classification ID

Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05)

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Cites Work