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Название: Multiscale Analysis for Interacting Particles: Relaxation Systems and Scalar Conservation Laws
Авторы: Katsoulakis M.A., Tzavaras A.E.
Journal of Statistical Physics, Vol. 96, Nos. 34, 1999. p. 715-763.
We investigate the derivation of semilinear relaxation systems and scalar conservation laws from a class of stochastic interacting particle systems. These systems are Markov jump processes set on a lattice, they satisfy detailed mass balance (but not detailed balance of momentum), and are equipped with multiple scalings. Using a combination of correlation function methods with compactness and convergence properties of semidiscrete relaxation schemes we prove that, at a mesoscopic scale, the interacting particle system gives rise to a semilinear hyperbolic system of relaxation type, while at a macroscopic scale it yields a scalar conservation law. Rates of convergence are obtained in both scalings.