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On the Macroscopic limit of Brownian Particles with local interaction
Franco Flandoli, Marta Leocata, Cristiano Ricci · 2020-06-03 · via math.PR updates on arXiv.org

An interacting particle system made of diffusion processes with local interaction is considered and the macroscopic limit to a nonlinear PDE is investigated. Few rigorous results exists on this problem and in particular the explicit form of the nonlinearity is not known. The paper reviews this subject, some of the main ideas to get the limit nonlinear PDE and provides both heuristic and numerical informations on the precise form of the nonlinearity which are new with respect to the literature and coherent with the few known informations.

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