Saddle point reduction method for some non-autonomous second order systems

DOI10.1016/j.jmaa.2003.11.019zbMath1053.34039OpenAlexW1999802961MaRDI QIDQ1433368

Fukun Zhao, Xian Wu

Publication date: 15 June 2004

Published in: Journal of Mathematical Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jmaa.2003.11.019

zbMATH Keywords

periodic solutionscritical pointsaddle pointnonautonomous second-order systems

Mathematics Subject Classification ID

Variational methods involving nonlinear operators (47J30) Periodic solutions to ordinary differential equations (34C25)

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