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math.PR2026
Propagation of chaos in Fisher information
Jules Grass, Arnaud Guillin, Christophe Poquet
We present a new method for proving sharp local propagation of chaos in Fisher Information for particles with smooth interaction and drift. We rely on a new Lemma computing the Fis…
math.PR2026
Quantitative Large Population Limit for Non Exchangeable Diffusions in Fisher Information
Jules Grass
This paper builds upon the methods developed in [22] and [15] to investigate the large population behavior of non exchangeable systems of N diffusive particles when the interaction…
math.PR2024
Sharp propagation of chaos for McKean-Vlasov equation with non constant diffusion coefficient
Jules Grass, Arnaud Guillin, Christophe Poquet
We present a method to obtain sharp local propagation of chaos results for a system of N particles with a diffusion coefficient that it not constant and may depend of the empirical…