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SUMMARY:Norm convergence of nonconventional ergodic averages - Miguel Wals
 h (Buenos Aires)
DTSTART:20130213T160000Z
DTEND:20130213T170000Z
UID:TALK42268@talks.cam.ac.uk
CONTACT:Ben Green
DESCRIPTION:Let G be a group of measure preserving transformations of a pr
 obability\nspace. The limiting behavior of the nonconventional ergodic ave
 rages\nassociated with this action has been the subject of much attention 
 since\nthe work of Furstenberg on Szemerédi's theorem. We will discuss th
 is\nproblem\, and how to establish the convergence of these averages whene
 ver\nthe group is nilpotent and the trajectories are polynomial.
LOCATION:MR11\, CMS
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