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SUMMARY:Instantaneous filling of the vacuum for the Boltzmann equation  - 
 Marc Briant 	 (University of Cambridge) 
DTSTART:20130620T131000Z
DTEND:20130620T160000Z
UID:TALK45892@talks.cam.ac.uk
CONTACT:HoD Secretary\, DPMMS
DESCRIPTION:Imagine a box divided into two compartments thanks to a wall\,
  one compartment being empty and the other one containing gas. What would 
 happen if you take the wall out? A mathematical answer to that is the fact
  that immediately the gas will fill the entire box. In this talk we derive
  this result for the full Boltzmann equation in the torus and $C^2$ bounde
 d domains in general\, and also give an explicit exponential lower bound f
 or the solution. 
LOCATION:MR12
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