Center problem for a class of degenerate quartic systems

DOI10.14232/EJQTDE.2014.1.74zbMath1324.34073OpenAlexW427644229MaRDI QIDQ5251031

Bo Sang

Publication date: 22 May 2015

Published in: Electronic Journal of Qualitative Theory of Differential Equations (Search for Journal in Brave)

Full work available at URL: http://www.math.u-szeged.hu/ejqtde/p3052.pdf

zbMATH Keywords

integrabilitydegenerate resonant singular pointcomplex quartic systemsresonant focus number

Mathematics Subject Classification ID

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

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