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SUMMARY:Francesco Sala (University of Pisa)
DTSTART:20261111T010000Z
DTEND:20261111T040000Z
DTSTAMP:20261026T115045Z
UID:HKUST-AG/98
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/HKUST-AG/98/
 ">Bridgeland stability conditions and cohomological Hall algebras I</a>\nb
 y Francesco Sala (University of Pisa) as part of Algebra and Geometry Semi
 nar @ HKUST\n\nLecture held in Room 5562 (lift 27-28).\n\nAbstract\nThis 1
 2-hour course will cover selected material from arXiv:2502.19445\, arXiv:2
 511.08576\, and arXiv:2603.03386. The starting point is the derived McKay 
 correspondence\, which establishes a derived equivalence between the minim
 al resolution of an ADE singularity and a "noncommutative" surface encoded
  by the preprojective algebra of the corresponding affine ADE quiver.\n\nI
 n the first part of the course\, we will give a brief introduction to Brid
 geland stability conditions on triangulated categories and study the space
 s of stability conditions for the categories appearing in the derived McKa
 y correspondence. In the second part\, we will investigate the relationshi
 ps between cohomological Hall algebras (COHAs) arising from the triangulat
 ed categories appearing in the derived McKay correspondence. Finally\, we 
 will bring these two perspectives together and explain the construction of
  a family of COHAs over the space of Bridgeland stability conditions.\n
LOCATION:https://researchseminars.org/talk/HKUST-AG/98/
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