On Parametric Gevrey Asymptotics for Singularly Perturbed Partial Differential Equations with Delays

Alberto Lastra and Stéphane Malek

Abstract and Applied Analysis, 2013, vol. 2013, 1-18

Abstract:

We study a family of singularly perturbed -difference-differential equations in the complex domain. We provide sectorial holomorphic solutions in the perturbation parameter . Moreover, we achieve the existence of a common formal power series in which represents each actual solution and establish -Gevrey estimates involved in this representation. The proof of the main result rests on a new version of the so-called Malgrange-Sibuya theorem regarding -Gevrey asymptotics. A particular Dirichlet like series is studied on the way.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlaaa:723040

DOI: 10.1155/2013/723040

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