Solutions of the Boltzmann equation are proved to exist, globally in time, under conditions that include the case of a finite volume of gas in an infinite vacuum when the mean free path of the gas is large enough. It is also proved, as might be expected in this case, that the density of the gas at each point in space goes to zero as time goes to infinity.
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Similar content being viewed by others Explore related subjectsDiscover the latest articles and news from researchers in related subjects, suggested using machine learning. ReferencesBabovsky, H.: Randbedingungen in der kinetischen Theorie und Lösungen der Boltzmann-Gleichung. Ph. D. Dissertation, Universität Kaiserslautern 1983
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University of Kaiserslautern, D-6570, Kaiserslautern, Federal Republic of Germany
Reinhard Illner
Department of Mathematics, University of Victoria, V8W 2Y2, B.C., Canada
Marvin Shinbrot
Communicated by J. L. Lebowitz
Research supported by the Natural Science and Engineering Research Council Canada under Grant No. A-8560
About this article Cite this articleIllner, R., Shinbrot, M. The Boltzmann equation: Global existence for a rare gas in an infinite vacuum. Commun.Math. Phys. 95, 217–226 (1984). https://doi.org/10.1007/BF01468142
Received: 31 January 1984
Issue Date: June 1984
DOI: https://doi.org/10.1007/BF01468142
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