1. Université Paris 7 & Laboratoire J.-L. Lions, Bo?te courrier 187, 75252, Paris Cedex 05, France 2. 230-133 Iwakura-Nagatani-cho Sakyo-ku, Kyoto, 606-0026, Japan
Abstract:
This paper reviews recent mathematical results on the half-space problem for the Boltzmann equation. The case of a phase transition is discussed in detail.