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SUMMARY:Exponential Convergence to Equilibrium and Hypocoercivity - Helge 
 Dietert\, CCA
DTSTART:20150513T133000Z
DTEND:20150513T143000Z
UID:TALK59278@talks.cam.ac.uk
CONTACT:Dominic Dold
DESCRIPTION:From classical PDE analysis we know that the heat equation smo
 othens out any\ninitial perturbation exponentially fast. But what happens 
 if the smoothing\nonly acts in a subset of directions and only at some pos
 ition? For this a\ntypical example is the Fokker-Planck equation where the
  noise only acts on\nthe velocity variable. For this I will discuss condit
 ions for exponential\ndecay. This is an example of hypocoercivity as devel
 oped by Villani to mimimic\nparts of hypoellipticity.
LOCATION:MR14\, Centre for Mathematical Sciences
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