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

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  • Alberto Lastra
  • Stéphane Malek

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.

Suggested Citation

  • Alberto Lastra & Stéphane Malek, 2013. "On Parametric Gevrey Asymptotics for Singularly Perturbed Partial Differential Equations with Delays," Abstract and Applied Analysis, Hindawi, vol. 2013, pages 1-18, November.
    • Handle: RePEc:hin:jnlaaa:723040
    DOI: 10.1155/2013/723040
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