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SUMMARY:Exponential convergence to equilibrium for the Landau equation  - 
 Kleber Carrapatoso (University Paris Dauphine) 
DTSTART:20130620T130000Z
DTEND:20130620T135000Z
UID:TALK45890@talks.cam.ac.uk
CONTACT:HoD Secretary\, DPMMS
DESCRIPTION:In this talk we deal with the long-time behavior of solutions 
 to the homogeneous Landau equation with hard potentials. It is already kno
 wn that a spectral gap inequality holds for the linearized Landau operator
  in  L^1\nwith Gaussian weight\, and\, moreover\, that solutions converge 
 towards the equilibrium in polynomial time. We prove an exponential in tim
 e convergence\, using an approach based on new spectral gap estimates for 
 the linearized operator in weighted L^1-spaces. 
LOCATION:MR12
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