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Kinetics of collisionless continuous media. (English) Zbl 1006.82011
The ideal gas model is under study. The author shows that for any initial distribution the gas is eventually irreversibly and uniformly distributed over the entire volume, but each particle approaches the initial position arbitrarily close.

MSC:
82B40 Kinetic theory of gases in equilibrium statistical mechanics
76P05 Rarefied gas flows, Boltzmann equation in fluid mechanics
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