Kinetic models with randomly perturbed binary collisions

Details Kinetic models with randomly perturbed binary collisions Kinetic models with randomly perturbed binary collisions

2010-11-03

arxiv.org/abs/1011.0838v1

Physics

Mathematical Physics

Scientific paper

We introduce a class of Kac-like kinetic equations on the real line, with general random collisional rules, which include as particular cases models for wealth redistribution in an agent-based market or models for granular gases with a background heat bath. Conditions on these collisional rules which guarantee both the existence and uniqueness of equilibrium profiles and their main properties are found. We show that the characterization of these stationary solutions is of independent interest, since the same profiles are shown to be solutions of different evolution problems, both in the econophysics context and in the kinetic theory of rarefied gases.

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