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STABLE AND UNSTABLE MANIFOLDS FORNONLINEAR PARTIAL NEUTRAL FUNCTIONALDIFFERENTIAL EQUATIONS

机译:非线性部分中性泛函微分方程的稳定和不稳定流形

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摘要

The aim of this work is to investigate the asymptotic behav-ior of solutions near hyperbolic equilibria for nonlinear partial neutralfunctional differential equations. We suppose that the linear part Asatisfies the Hille-Yosida condition on a Banach space and is not nec-essarily densely defined; the delayed part is assumed to be Lipschitz.We show the existence of stable and unstable manifolds near hyperbolicequilibria when the neutral operator is stable and the semigroup gener-ated by the part of A in D(A) is compact. Local stable and unstablemanifolds are also obtained when the undelayed part is a C~1function ina neighborhood of the equilibria.
机译:这项工作的目的是研究非线性中立型泛函微分方程在双曲平衡附近解的渐近行为。我们假设线性部分满足Banach空间上的Hille-Yosida条件,并且没有必要密集地定义;当中立算子稳定且由D(A)中A生成的半群为紧时,表明双曲均衡附近存在稳定流形和不稳定流形。当未延迟部分是平衡区附近的C〜1函数时,也会获得局部稳定和不稳定流形。

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