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SUMMARY:Jean-Baptiste Teyssier (Université Sorbonne)
DTSTART:20240605T150000Z
DTEND:20240605T160000Z
DTSTAMP:20260418T070029Z
UID:LNTS/133
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/LNTS/133/">B
 oundedness for Betti numbers of étale sheaves in positive characteristic.
 </a>\nby Jean-Baptiste Teyssier (Université Sorbonne) as part of London n
 umber theory seminar\n\nLecture held in K0.18\, King's Building\, Strand C
 ampus\, King's College London.\n\nAbstract\nCohomology is the most fundame
 ntal global invariant attached to a sheaf. For a \\bar{Q}_l local system L
  on the complement of a divisor D in a smooth projective variety over an a
 lgebraically closed field of characteristic p ≠ l\, we will advertise th
 e existence of estimates for the rank of each cohomology spaces of L depen
 ding only on local data : the rank of L and the ramification conductors of
  L at the generic points of D. This is joint work with Haoyu Hu.\n
LOCATION:https://researchseminars.org/talk/LNTS/133/
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