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SUMMARY:Dynamics of dilute gases: a statistical approach - Laure Saint-Ray
 mond\, ENS Lyon
DTSTART:20220310T160000Z
DTEND:20220310T170000Z
UID:TALK164332@talks.cam.ac.uk
CONTACT:Ivan Smith
DESCRIPTION:The evolution of a gas can be described by different models de
 pending on the observation scale. A natural question\, raised by Hilbert i
 n his sixth problem\, is whether these models provide consistent predictio
 ns. In particular\, for rarefied gases\, it is expected that continuum law
 s of kinetic theory can be obtained directly from molecular dynamics gover
 ned by the fundamental principles of mechanics.\n\nIn the case of hard sph
 ere gases\, Lanford showed that the Boltzmann equation emerges as the law 
 of large numbers in the low density limit\, at least for very short times.
  The goal of this survey is to present recent progress in the understandin
 g of this limiting process\, providing a complete statistical description.
LOCATION:MR2\, CMS
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