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Perturbation of a nonconvex differential inclusion with viability - MaRDI portal

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Perturbation of a nonconvex differential inclusion with viability (Q2746249)

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scientific article; zbMATH DE number 1655745
Language Label Description Also known as
English
Perturbation of a nonconvex differential inclusion with viability
scientific article; zbMATH DE number 1655745

    Statements

    11 September 2002
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    nonconvex differential inclusion
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    perturbation
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    viability
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    Perturbation of a nonconvex differential inclusion with viability (English)
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    Soit \(H\) un espace de Hilbert séparable, \({\mathcal B}(H)\) l'ensemble des parties convexes faiblement compactes d'intérieur non vide de \(H\) muni de la distance de Hausdorff, \(K\) un convexe fermé non vide de \(H, x_{0}\in K, f:[0,T]\times K\to H, F: [0,T]\times K\to {\mathcal B}(H).\) Sous des hypothèses convenables, l'auteur établie un résultat d'existence de solution viable pour le problème NEWLINE\[NEWLINE \dot x(t)\in f(t,x(t))+\text{ext} F(t,x(t)), \;\text{p.p. sur} \;[0,T],NEWLINE\]NEWLINE NEWLINE\[NEWLINE x(0)=x_{0}, \quad x(t)\in K \;\text{pour tout} \;t\in [0,T],NEWLINE\]NEWLINE où ext \(F(t,x(t))\) désigne les points extremaux de l'ensemble \(F(t,x(t)).\) Les techniques de démonstrations reposent sur le théorème de Baire appliqué à des ensembles engendrés par des fonctions semi-continues supérieurement.
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