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Bounded solutions of nonlinear Cauchy problems

机译:非线性柯西问题的有界解

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摘要

For a given closed and translation invariant subspaceYof the bounded and uniformly continuous functions, we will give criteria for the existence of solutionsu∈Yto the equationu′(t)+A(u(t))+ωu(t)?f(t),t∈?, or of solutionsuasymptotically close toYfor the inhomogeneous differential equationu′(t)+A(u(t))+ωu(t)?f(t),t>0,u(0)=u0, in general Banach spaces, whereAdenotes a possibly nonlinear accretive generator of a semigroup. Particular examples for the spaceYare spaces of functions with various almost periodicityproperties and more general types of asymptotic behavior.
机译:对于给定的有界且一致连续函数的闭合平移不变子空间Y,我们将给出方程u′(t)+ A(u(t))+ωu(t)?f(t)的解u∈Y存在性的判据,t∈?,或者对于非齐次微分方程u′(t)+ A(u(t))+ωu(t)?f(t),t> 0,u(0)= u0通常近似于Y的解Banach空间,其中A表示半群的可能的非线性增生生成器。具有各种几乎周期性属性和渐近行为的更一般类型的函数spaceYare空间的特定示例。

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