The BGK equation as the limit of an particle system
arXiv:2002.08667 · doi:10.1007/s10955-020-02596-y
Abstract
The spatially homogeneous BGK equation is obtained as the limit if a model of a many particle system, similar to Mark Kac's charicature of the spatially homogeneous Boltzmann equation.
Minor corrections and modifications only. This version is essentially the same as the published paper