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SUMMARY:Jim Bryan (University of British Columbia)
DTSTART:20220210T233000Z
DTEND:20220211T003000Z
DTSTAMP:20260422T054526Z
UID:SFUQNTAG/57
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SFUQNTAG/57/
 ">Bott periodicity from algebraic geometry</a>\nby Jim Bryan (University o
 f British Columbia) as part of SFU NT-AG seminar\n\n\nAbstract\nA famous t
 heorem in algebraic topology is Bott periodicity: the homotopy groups of t
 he space of orthogonal matrices repeat with period 8:  pi_k(O) = pi_{k+8}(
 O) . I will give an elementary overview of Bott periodicity and then I wil
 l explain how to formulate and prove a theorem in algebraic geometry which
 \, when specialized to the field of complex numbers\, recovers the usual t
 opological Bott periodicity\, but makes sense over any field. This is work
  in progress with Ravi Vakil.\n
LOCATION:https://researchseminars.org/talk/SFUQNTAG/57/
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