A class of planar \(n\) (even number)-polynomial system with a weak focus of order \(n^ 2-n\)

zbMath0763.34017MaRDI QIDQ1206083

Jingxin Bai, Yi-rong Liu

Publication date: 1 April 1993

Published in: Chinese Science Bulletin (Search for Journal in Brave)

zbMATH Keywords

limit cyclessaddle pointweak focus\(n\)-polynomial systems

Mathematics Subject Classification ID

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

Related Items (1)

The criterion of the center-focus for a class of planar perturbed polynomial systems with (\(2n+1\))th degree

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