Abstract
We give sufficient conditions for the existence of almost-periodic solutions of the second-order differential system $u'' = f(t,u,u')$, which satisfies the maximum principle. Our hypotheses do not impose the uniqueness of bounded solutions.
Citation
Philippe Cieutat. "Maximum principle and existence of almost-periodic solutions of second-order differential systems." Differential Integral Equations 17 (7-8) 921 - 942, 2004. https://doi.org/10.57262/die/1356060336
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