COW seminar

Details of the activities of the COW this year may be found on the COW homepage.

• Warwick, Thursday 28th September 1995
  2:00 Nick Shepherd-Barron (Cambridge): Bad extremal rays
  4:30 Klaus Hulek (Hannover): 2- and 3-canonical embeddings

• Cambridge, Thursday 12th October 1995
  2:30 Hélène Esnault (Essen): An algebraic invariant of flat bundles
  4:30 Chris Anand (Warwick): A twistor construction for unitons

• Warwick, Thursday 26th October 1995
  4:00 Peter Gothen (Oporto): Topology of moduli of Higgs bundles

• Warwick Algebraic Geometry/COW seminar weekend, Warwick.
  • Friday 27th October
    4:00 Simon Donaldson (Oxford): Symplectic geometry and almost-complex analysis

  • Saturday 28th October
    10:30 Shigeru Mukai (Nagoya): The Brill-Noether problem for vector bundles on a curve, with application to Fano 3-folds
    12:00 Pelham Wilson (Cambridge): Symplectic deformations of Calabi-Yau 3-folds
    2:30 Y. Namikawa (MPI and Warwick): Deformations of singular Calabi-Yau 3-folds
    4:00 Shigefumi Mori (RIMS, Kyoto): Quotients by groupoids
    

  • Sunday 29th October
    10:30 Miles Reid (Warwick): The bicanonical map of a canonical surface
    12:00 Nick Shepherd-Barron (Cambridge): Icosahedral Galois extensions and Abelian varieties

• Warwick, Thursday 9th November 1995
  2:00 Alessio Corti (Chicago): Del Pezzo surfaces over Dedekind domains
  4:00 Miles Reid (Warwick): Some remarks on the proof of classification of surfaces

• Warwick, Thursday 16th November 1995
  3:15 Y. Kachi (Tokyo): Extremal contractions from 4-folds to 3-folds
  5:00 Massimiliano Mella (Trento): 3-folds of small degree

• Warwick, Thursday 23rd November 1995
  3:15 V. A. Iskhovskikh (Moscow): The rationality problem for 3-fold conic bundles I
  5:00 Nick Shepherd-Barron (Cambridge): Projective models of some modular varieties

• Warwick, Thursday 30th November 1995
  3:15 Yujiro Kawamata (Tokyo): Fujita's conjecture (on the very ampleness of K+mL)
  5:00 Viktor Pidstrigach (Oxford):

• Oxford, Thursday 15th February 1996
  10:30 Christian Pauly (Durham): Parabolic bundles and conformal blocks
  12:00 Miles Reid (Warwick): Singularities and surfaces

• Warwick, Friday 23rd February 1996
  12:00 Sergei Kuleshov (Moscow): A new proof of the main theorem (braid transitivity for exceptional bundles on P²)
  2:00 Alexei Rudakov (Moscow): Algebraic vector bundles on P² and Del Pezzo surfaces: an attempt at classification
  4:00 Richard Taylor (Oxford): Galois groups and modular forms

• Cambridge, 21st May 1996
  2:30 Miles Reid (Warwick): Embeddings of curves and surfaces -- the bicanonical map
  4:30 Wei-Ping Li (Hong Kong): Rationality of moduli spaces of rank 3 stable bundles over P²

• Warwick, 20th June 1996
  2:00 Gábor Megyesi (Cambridge): Configurations of conics with many tacnodes
  4:00 Igor Dolgachev (Ann Arbor): Rationality of configuration spaces of linear subspaces

• Warwick, 27th June 1996
  2:00 Christian Pauly (Madrid): Abel-Jacobi stratification on |2 Theta|
  4:00 Bert van Geemen (Turin): Monodromy of the Hitchin connection

• Cambridge, 3rd July 1996
  12:00 T. Shioda (Tokyo): Some excellent families of elliptic curves
  2:30 Igor Dolgachev (Ann Arbor): Modular curves and K3 surfaces
  4:15 Miles Reid (Warwick): Graded rings over K3s

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