Abstract We consider the continuous version of the Vicsek model with noise, proposed as a model for collective behaviour of individuals with a fixed speed. We rigorously derive the kinetic mean-field partial differential equation satisfied when the number N of particles tends to infinity, quantifying the convergence of the law of one particle to the solution of the PDE. For this we adapt a classical coupling argument to the present case in which both the particle system and the PDE are defined on a surface rather than on the whole space R d . As part of the study we give existence and uniqueness results for both the particle system and the PDE.
Mean-field limit for the stochastic Vicsek model
François Bolley,J. Cañizo,J. Carrillo
Published 2011 in Applied Mathematics Letters
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- Publication year
2011
- Venue
Applied Mathematics Letters
- Publication date
2011-02-07
- Fields of study
Mathematics, Physics, Computer Science
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