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SUMMARY:Arthur-Selberg Trace Formula and Endoscopy - Jean-Pierre Labesse (
 Institut de Mathématiques de Luminy)
DTSTART:20140520T133000Z
DTEND:20140520T143000Z
UID:TALK51175@talks.cam.ac.uk
CONTACT:James Newton
DESCRIPTION:In the seventies Langlands has launched a program called Endos
 copy which relies on the stabilization of the Arthur-Selberg trace formula
 . In fact a variant of it\, called twisted endoscopy\, has become the main
  tool to establish some cases of Langlands functoriality.\nBase change for
  GL(2) was the first example.\n\nThe main technical obstacle being the cel
 ebrated "Fundamental Lemma" is now a theorem. This allows for new results 
 by Arthur and others on classical and unitary groups\, but that are still 
 conditional to some work in progress by Waldspurger and Moeglin. The aim o
 f this talk is to present a survey of these methods and results.
LOCATION:MR13
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