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SUMMARY:Arpon Raksit (MIT)
DTSTART:20211115T213000Z
DTEND:20211115T223000Z
DTSTAMP:20260423T004917Z
UID:MITTop/40
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/MITTop/40/">
 Canonical lifts and spectral algebraic geometry</a>\nby Arpon Raksit (MIT)
  as part of MIT topology seminar\n\n\nAbstract\nLet X be an elliptic curve
  over a perfect field k of positive characteristic. Serre–Tate studied t
 he deformation theory of such X\, and one of their discoveries was that wh
 en X is ordinary\, it admits a canonical lifting to the ring of Witt vecto
 rs W(k) (with some special features). In this talk\, I'll discuss a connec
 tion between this phenomenon and properties of the moduli of elliptic curv
 es in spectral algebraic geometry introduced by Lurie.\n
LOCATION:https://researchseminars.org/talk/MITTop/40/
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