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Quasi-periodic solutions of forced isochronous oscillators at resonance

机译:共振时强制等时振荡器的准周期解

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摘要

We deal with the existence of quasi-periodic solutions of forced isochronous oscillators with a repulsive singularity, the nonlinearity is a bounded perturbation. Using a variant of Moser's twist theorem of invariant curves, due to Ortega [R. Ortega, Boundedness in a piecewise linear oscillator and a variant of the small twist theorem, Proc. London Math. Soc. 79 (1999) 381-413], we show that there are many quasi-periodic solutions and the boundedness of all solutions.
机译:我们处理具有排斥奇点的强迫同步振荡器的准周期解的存在,非线性是有界扰动。由于奥尔特加[R. Ortega,分段线性振荡器的有界性和小扭曲定理Proc的变体。伦敦数学。 Soc。 79(1999)381-413],我们证明了存在许多准周期解和所有解的有界性。

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