Renormalized Solution of the Relativistic Boltzmann Equation in a Robertson-Walker Spacetime
DOI:
https://doi.org/10.4208/ajiam.2025-0004Keywords:
Robertson-Walker space-time, renormalized solution, mild solution, relativistic Boltzmann equation.Abstract
In this paper, the proof of the global existence of a renormalized or equivalently mild solution of the relativistic Boltzmann equation in a Robertson-Waker space-time is given for an initial value problem with initial data only satisfying the conditions of finite mass, energy, inertia and entropy.