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Titre: | Stochastic integro-differential equations with nonlocal conditions and infinite delay. |
Auteur(s): | AIT OUALI, Nadia Encadreur: KANDOUCI, Abdeldjebar |
Mots-clés: | Equations différentielles stochastique intégro-différentielle mild solution des conditions non locaux retard infini dérivées fractionnaires intégrale Fractionnaires point fixe semi-groupes de classe C0 mild solution |
Date de publication: | 21-nov-2016 |
Résumé: | Many stochastic systems arising in nature exhibit hereditary properties; that is ; state depends on the past time history. The time history dependence of state renders the equation of motion of stochastic systems in the form of stochastic integro-differential equations. The research reported in this thesis deals with the problem of stochastic integro-differential systems with delay. More precisely, existence of solution for stochastic integro-dffeerential equations in Hilbert space with infinite delay .
We first prove the existence of mild solutions for a class of fractional neutral stochastic integro-differential equations with infinite delay. Secondly, we explore the existence results with nonlocal conditions. Our approach and technique is mainly based on fixed point theorem and C_{0} semigroups theory. |
Description: | Doctorat en sciences |
URI/URL: | http://hdl.handle.net/123456789/1800 |
Collection(s) : | Mathématiques
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