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Méthodes fonctionnelles et variationnelles pour l'existence des solutions presque-périodiques des équations différentielles ordinaires à retard

Abstract : The subject of the thesis is the development of variational methods to study the almost periodic solutions in the sens of H. Bohr and Besicovitch of some classes of second order retarded differential equations. In this way we use Variational Calculus in Mean Time. In a first step we study a class of neutral delay differential equation, then a class of finite retarded differential equation, at least we'll be interested by a class of infinite retarded differential equation.
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https://tel.archives-ouvertes.fr/tel-00424439
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Submitted on : Thursday, October 15, 2009 - 5:24:24 PM
Last modification on : Friday, April 29, 2022 - 10:12:50 AM
Long-term archiving on: : Wednesday, June 16, 2010 - 12:48:05 AM

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Moez Ayachi. Méthodes fonctionnelles et variationnelles pour l'existence des solutions presque-périodiques des équations différentielles ordinaires à retard. Mathématiques [math]. Université Panthéon-Sorbonne - Paris I, 2009. Français. ⟨tel-00424439⟩

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