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SUMMARY:Javier Fresán (École polytechnique\, Palaiseau)
DTSTART:20220127T120000Z
DTEND:20220127T130000Z
DTSTAMP:20260423T005756Z
UID:AGNTISTA/53
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/AGNTISTA/53/
 ">Equidistribution of exponential sums over algebraic groups</a>\nby Javie
 r Fresán (École polytechnique\, Palaiseau) as part of Algebraic Geometry
  and Number Theory seminar - ISTA\n\n\nAbstract\nI will discuss a joint wo
 rk with Arthur Forey and Emmanuel Kowalski in which we obtain an equidistr
 ibution theorem for discrete Fourier transforms of trace functions of perv
 erse sheaves on a commutative algebraic group over a finite field. The pro
 of relies on a generic vanishing theorem for twists of perverse sheaves\, 
 which allows for the construction of a tannakian category with convolution
  as tensor operation. If time permits\, I will also explain how to compute
  the groups governing the equidistribution in a few interesting examples.\
 n
LOCATION:https://researchseminars.org/talk/AGNTISTA/53/
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