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* Corresponding author 1 CEREMADE - CEntre de REcherches en MAthématiques de la DEcision 2 Departament de Matemàtiques Barcelona

Abstract : We consider general stochastic systems of interacting particles with noise which are relevant as models for the collective behavior of animals, and rigorously prove that in the mean-field limit the system is close to the solution of a kinetic PDE. Our aim is to include models widely studied in the literature such as the Cucker-Smale model, adding noise to the behavior of individuals. The difficulty, as compared to the classical case of globally Lipschitz potentials, is that in several models the interaction potential between particles is only locally Lipschitz, the local Lipschitz constant growing to infinity with the size of the region considered. With this in mind, we present an extension of the classical theory for globally Lipschitz interactions, which works for only locally Lipschitz ones.

Keywords : Mean-field limit diffusion Cucker-Smale collective behavior





Autor: François Bolley - José Cañizo - José Antonio Carrillo -

Fuente: https://hal.archives-ouvertes.fr/



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