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Schedule, Notes/Handouts & Videos

Intersection Theory on Stacks March 11, 2002 - March 15, 2002

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Mar 11, 2002
Monday
08:00 AM - 05:00 PM
  A 2-Categorical Approach to Differential Graded
Kai Behrend (University of British Columbia)
10:30 AM - 11:30 AM
  Intersection theory on algebraic stacks: The approach of Totaro, Edidin and Graham
Angelo Vistoli (Scuola Normale Superiore)
11:45 AM - 12:45 PM
  Can one do arithmetics intersection theory on stacks?
Henri Gillet
02:00 PM - 03:00 PM
  Multigraded Hilbert schemes
Bernd Sturmfels (University of California, Berkeley; Max-Planck-Institut für Mathematik in den Naturwissenschaften)
04:10 PM - 05:10 PM
  Gorenstein tautological rings
Rahul Pandharipande (ETH Zurich)
Mar 12, 2002
Tuesday
09:30 AM - 10:30 AM
  Intersection theory on Artin stacks: Chow groups for Artin stacks
Andrew Kresch
11:00 AM - 12:30 PM
  Gromov-Witten theory of P1, part I
Rahul Pandharipande (ETH Zurich)
02:00 PM - 03:30 PM
  Gromov-Witten theory of P1, part II
Andrei Okounkov (Columbia University; University of California, Berkeley)
04:00 PM - 05:00 PM
  Riemann-Roch for quotients and Todd classes of simplicial toric varieties
Dan Edidin
Mar 13, 2002
Wednesday
10:00 AM - 11:00 AM
  Degeneration formula of Gromov-Witten invariants
Jun Li (Stanford University)
11:30 AM - 12:30 PM
  Quot schemes for Deligne-Mumford Stacks
Jason Starr
01:00 PM - 02:00 PM
  Intersection theory on toric hyperkahler varieties
Tamas Hausel
03:30 PM - 04:30 PM
  Cohomology ring of crepant resolutions of orbifolds
Yongbin Ruan (University of Michigan)
Mar 14, 2002
Thursday
10:00 AM - 11:00 AM
  Toric stacks of pavings
Laurent Lafforgue
11:30 AM - 12:30 PM
  Logarithmic geometry and algebraic stacks
Martin Olsson (University of California, Berkeley)
02:00 PM - 03:00 PM
  Vanishing of cohomology classes on the moduli space of curves
Ravi Vakil (Stanford University)
03:30 PM - 04:30 PM
  How many Gromov-Witten invariants of rational curves are there, really?
Aaron Bertram (University of Utah)
05:00 PM - 06:00 PM
  Differential graded schemes in algebraic geometry
Mikhail Kapranov (Kavli Institute for the Physics and Mathematics of the Universe )
Mar 15, 2002
Friday
10:00 AM - 11:00 AM
  Higher intersection theory on algebraic stacks
Roy Joshua (Ohio State University)
11:30 AM - 12:30 PM
  TBA
Kai Behrend (University of British Columbia)
02:00 PM - 03:00 PM
  K-theory of algebraic stacks
Bertrand Toen (Centre National de la Recherche Scientifique (CNRS))
03:30 PM - 04:30 PM
  On symmetric degeneracy loci
William Graham
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