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SUMMARY:Marco Robalo (Institut de Mathematiques de Jussieu-Paris Rive Gauc
 he)
DTSTART:20240507T150000Z
DTEND:20240507T160000Z
DTSTAMP:20260423T022722Z
UID:Geolis/150
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/Geolis/150/"
 >Gluing Invariants of Donaldson-Thomas Type</a>\nby Marco Robalo (Institut
  de Mathematiques de Jussieu-Paris Rive Gauche) as part of Geometria em Li
 sboa (IST)\n\n\nAbstract\nIn this talk I will explain a general mechanism\
 , based on derived symplectic geometry\, to glue the local invariants of s
 ingularities that appear naturally in Donaldson-Thomas theory. Our mechani
 sm recovers the categorified vanishing cycles sheaves constructed by Brav-
 Bussi-Dupont-Joyce\, and provides a new more evolved gluing of Orlov’s c
 ategories of matrix factorisations\, answering a conjecture of Kontsevich-
 Soibelman and Y.Toda. This is a joint work with B. Hennion (Orsay) and J. 
 Holstein (Hamburg). The talk will be accessible to a general audience.\n
LOCATION:https://researchseminars.org/talk/Geolis/150/
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