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UID:20250810T093514EDT-3834iLmtsD@132.216.98.100
DTSTAMP:20250810T133514Z
DESCRIPTION:\n	\n		\n			\n				TITRE / TITLE\n					Point counting over finite fields and th
 e cohomology of moduli spaces of curves\n					\n					RÉSUMÉ / ABSTRACT\n\n				Algebraic 
 geometry studies solution sets of polynomial equations. For instance\, ove
 r the complex numbers\, one may examine the topology of the solution set\,
  whereas over a finite field\, one may count its points. For polynomials w
 ith integer coefficients\, these two fundamental invariants are intimately
  related via cohomological comparison theorems and trace formulas for the 
 action of Frobenius. I will present recent results regarding point counts 
 over finite fields and the cohomology of moduli spaces of curves that reso
 lve longstanding questions in algebraic geometry and confirm more recent p
 redictions from the Langlands program.\n\n				LIEU / PLACE\n					CRM\, Salle / Room
  5340\, Pavillon André Aisenstadt\n					Une réception suivra au salon Maurice-L
 abbé (salle 6245)\n					A reception will follow in the Maurice-Labbé lounge (ro
 om 6245)\n					\n					ZOOM\n					https://us06web.zoom.us/j/84226701306?pwd=UEZ5NVpZaUlldW
 5qNU8vZzIvbEJXQT09\n					ID: 842 2670 1306 / CODE: 692788\n					\n					ORGANISATEURS / OR
 GANIZERS\n					Léo Belzile (Université de Montréal)\n					Joel Kamnitzer (9IÖÆ×÷³§Ãâ·Ñ Uni
 versity)\n					Giovanni Rosso (Concordia University)\n					Alina Stancu (Concordia U
 niversity)\n			\n		\n	\n\n
DTSTART:20231103T193000Z
DTEND:20231103T203000Z
SUMMARY:Sam Payne (University of Texas at Austin)
URL:/mathstat/channels/event/sam-payne-university-texa
 s-austin-352380
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