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SUMMARY:Ken Ribet (UC Berkeley)
DTSTART:20210105T000000Z
DTEND:20210105T005000Z
DTSTAMP:20260423T004639Z
UID:CHAT/1
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/CHAT/1/">Lan
 glands correspondence and geometry</a>\nby Ken Ribet (UC Berkeley) as part
  of CHAT (Career\, History And Thoughts) series\n\n\nAbstract\nThe Langlan
 ds program suggests innumerable problems in\narithmetic geometry.  One cla
 ss of problems concerns geometric and\ncohomological relations between alg
 ebraic varieties in case such\nrelations are predicted by a Langlands corr
 espondence between spaces\nof automorphic forms for different algebraic gr
 oups.  I will describe\nhow my quest for such a relation led me to realize
  that there can be a\nlink between the behavior of one Shimura variety in 
 one characteristic\nand the behavior of a second Shimura variety in a seco
 nd\ncharacteristic.\n
LOCATION:https://researchseminars.org/talk/CHAT/1/
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