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SUMMARY:Jarod Alper (University of Washington)
DTSTART:20201023T190000Z
DTEND:20201023T200000Z
DTSTAMP:20260407T215014Z
UID:agstanford/25
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/agstanford/2
 5/">Coherent completeness and the local structure of algebraic stacks</a>\
 nby Jarod Alper (University of Washington) as part of Stanford algebraic g
 eometry seminar\n\n\nAbstract\nFormal GAGA is an important theorem in form
 al geometry which categorizes coherent sheaves on a scheme proper over a c
 omplete local noetherian ring in terms of compatible families of coherent 
 sheaves on the thickenings of its central fiber.  We will discuss generali
 zations of this result to algebraic stacks and explain how such results ca
 n be used to prove local structure theorems for algebraic stacks.  After r
 eviewing joint work with Hall and Rydh which establishes a satisfactory re
 sult in characteristic 0\, we will discuss partial progress in joint work 
 with Hall and Lim on extending this result to positive characteristic.\n
LOCATION:https://researchseminars.org/talk/agstanford/25/
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