scientific article

zbMath0742.34028MaRDI QIDQ3972439

Yan Qian Ye

Publication date: 25 June 1992

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

conjecturesrotated vector fieldsplane autonomous systemsexistence and location of limit cycles

Mathematics Subject Classification ID

Periodic solutions to ordinary differential equations (34C25) Topological structure of integral curves, singular points, limit cycles of ordinary differential equations (34C05)

Related Items (1)

Uniqueness of limit cycles of quadratic system (III)\(_{m=0}\)

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