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SUMMARY: Long-time convergence of degenerated processes - Pierre Monmarche
 \, Laboratoire Jacques-Louis Lions
DTSTART:20180122T150000Z
DTEND:20180122T160000Z
UID:TALK97075@talks.cam.ac.uk
CONTACT:Josephine Evans
DESCRIPTION:When it comes to the study (and quantification) of the speed o
 f relaxation toward equilibrium of dynamics that are\, in a sense\, degene
 rated (hypoelliptic diffusions\, piecewise deterministic processes...)\, a
  few classical methods do no apply. I will present some developpments of t
 he hypocoercive method of modified entropy\, popularized by Villani. In pa
 rticular we will see how\, by clarifying entropy dissipation computations\
 , one may obtain sharp dependency of the rate of convergence with respect 
 to some parameters of the problem (temperature for annealing algorithms\, 
 number of particle for mean-field models\, etc.).
LOCATION:CMS\, MR13
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