Periodic solutions of forced second order equations with oscillatory time map

zbMATH Open0782.34049MaRDI QIDQ688874

Jiangong You, Qian, Dingbian

Publication date: 1 November 1993

Published in: Differential and Integral Equations (Search for Journal in Brave)

zbMATH Keywords

periodic solutionsDuffing equationtime mapFučik-Lovicar theoremgeneralized Poincaré- Birkhoff twist theoremperiodically forced second order equation

Mathematics Subject Classification ID

Periodic solutions to ordinary differential equations (34C25)

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