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Название: On Weak and Strong Convergence to Equilibrium for Solutions to the Linear Boitzmann Equation
Автор: Pettersson R.
Journal of Statistical Physics, Vol. 72, Nos. 1/2, 1993. p. 355-380.
This paper considers the linear space-inhomogeneous Boltzmann equation for a distribution function in a bounded domain with general boundary conditions together with an external potential force. The paper gives results on strong convergence to equilibrium, when t->oo, for general initial data; first in the cutoff case, and then for infinite-range collision forces. The proofs are based on the properties of translation continuity and weak convergence to equilibrium. To handle these problems general H-theorems (concerning monotonicity in time of convex entropy functionals) are presented. Furthermore, the paper gives general results on collision invariants, i.e., on functions satisfying detailed balance relations in a binary collision.