Focal values and a class of Poincaré bifurcation of \(E_ n\)

zbMath0759.34025MaRDI QIDQ1200715

Yi-rong Liu

Publication date: 16 January 1993

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

zbMATH Keywords

polynomial perturbationsreturn mapHilbert basis theoremappearance of limit cycles

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) Perturbations of ordinary differential equations (34D10)

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