Subharmonic oscillations of forced pendulum-type equations

DOI10.1016/0022-0396(89)90120-4zbMath0708.34028OpenAlexW2010048060MaRDI QIDQ920260

Michel Willem, Alessandro Fonda

Publication date: 1989

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

Full work available at URL: https://doi.org/10.1016/0022-0396(89)90120-4

zbMATH Keywords

Morse indexsubharmonic solutions

Mathematics Subject Classification ID

Oscillation theory, zeros, disconjugacy and comparison theory for ordinary differential equations (34C10)

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