A class of quadratic system with six limit cycles

DOI10.1504/IJDSDE.2015.071000zbMath1351.34028OpenAlexW2483559648MaRDI QIDQ286362

Yi-rong Liu, Qin-long Wang, Chao-xiong Du

Publication date: 20 May 2016

Published in: International Journal of Dynamical Systems and Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1504/ijdsde.2015.071000

zbMATH Keywords

limit cyclesingular valuedegenerate Hopf bifurcationfocal valuethree-dimensional vector field

Mathematics Subject Classification ID

Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05) Bifurcation theory for ordinary differential equations (34C23) Invariant manifolds for ordinary differential equations (34C45)

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