CONTINUUM LIMIT OF THE DISCRETE NONLINEAR ...
Type de document :
Pré-publication ou Document de travail
Titre :
CONTINUUM LIMIT OF THE DISCRETE NONLINEAR KLEIN-GORDON EQUATION
Auteur(s) :
Chauleur, Quentin [Auteur]
Laboratoire Paul Painlevé - UMR 8524 [LPP]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Systèmes de particules et systèmes dynamiques [Paradyse]
Laboratoire Paul Painlevé - UMR 8524 [LPP]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Systèmes de particules et systèmes dynamiques [Paradyse]
Mot(s)-clé(s) en anglais :
Growth of Sobolev Norms
Continuum limit
Nonlinear wave and Klein-Gordon equations
Continuum limit
Nonlinear wave and Klein-Gordon equations
Discipline(s) HAL :
Mathématiques [math]/Equations aux dérivées partielles [math.AP]
Résumé en anglais : [en]
We study the convergence of solutions of the discrete nonlinear Klein-Gordon equation on an infinite lattice in the continuum limit, using recent tools developed in the context of nonlinear discrete dispersive equations. ...
Lire la suite >We study the convergence of solutions of the discrete nonlinear Klein-Gordon equation on an infinite lattice in the continuum limit, using recent tools developed in the context of nonlinear discrete dispersive equations. Our approach relies in particular on the use of bilinear estimates of the Shannon interpolation alongside controls on the growth of discrete Sobolev norms of the solution. We conclude by giving perspectives on uniform dispersive estimates for nonlinear waves on lattices.Lire moins >
Lire la suite >We study the convergence of solutions of the discrete nonlinear Klein-Gordon equation on an infinite lattice in the continuum limit, using recent tools developed in the context of nonlinear discrete dispersive equations. Our approach relies in particular on the use of bilinear estimates of the Shannon interpolation alongside controls on the growth of discrete Sobolev norms of the solution. We conclude by giving perspectives on uniform dispersive estimates for nonlinear waves on lattices.Lire moins >
Langue :
Anglais
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