Quadratic systems possessing a weak focus of order two and a singular point with a zero characteristic root

zbMATH Open0709.34027MaRDI QIDQ921219

Pingguang Zhang, Suilin Cai

Publication date: 1990

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

zbMATH Keywords

limit cyclesingular pointquadratic systemweak focus

Mathematics Subject Classification ID

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

Related Items (1)

A quartic system and a quintic system with fine focus of order 18

This page was built for publication: Quadratic systems possessing a weak focus of order two and a singular point with a zero characteristic root

Report a bug (only for logged in users!)Click here to report a bug for this page (MaRDI item Q921219)