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SUMMARY:SAG: Intrinsic Donaldson–Thomas theory [Seminar Algebraic Geomet
 ry (SAG)]
DTSTART:20260423T070000Z
DTEND:20260423T080000Z
DTSTAMP:20260716T195600Z
UID:indico-event-1191@math-events.uni-bonn.de
DESCRIPTION:Speakers: Chenjing Bu (Oxford)\n\nIntrinsic Donaldson–Thomas
  theory is a new framework of enumerative geometry that allows certain con
 structions of enumerative invariants to be interpreted intrinsically to th
 e geometry of the moduli stack\, and consequently\, to be extended to much
  more general stacks than previously possible.\nSuch constructions also al
 low us to prove interesting general properties of algebraic stacks\, such 
 as decomposition theorems for cohomology of stacks and semiorthogonal deco
 mpositions for derived categories of coherent sheaves on stacks. We also d
 iscuss some potential applications that these results open up\, including 
 applications to representation theory and to the geometric Langlands progr
 amme. \nThis talk is based on several joint works with Ben Davison\, Dani
 el Halpern-Leistner\, Andrés Ibáñez Núñez\, Tasuki Kinjo\, Tudor Padu
 rariu\, and Yukinobu Toda.\n\nhttps://math-events.uni-bonn.de/event/1191/
LOCATION:MPIM\, Vivatsgasse\,  7 - Lecture Hall (Max Planck Institute for 
 Mathematics)
URL:https://math-events.uni-bonn.de/event/1191/
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