Meetings of the COW seminar in 2003-2004

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

• Cambridge, Thursday 16th October 2003
  2:00 Nikos Tziolas (Heraklion): Three dimensional divisorial extremal neighborhoods
  3:30 Andrew Kresch (Warwick): Del Pezzo surfaces: an arithmetic survey
  5:00 Madeeha Khalid (Warwick): K3 correspondences

• Oxford, Thursday 6th November 2003
  3:00 Boris Zilber (Oxford): Zariski structures: geometry and logic
  4:30 Frank Schreyer (Saarbrücken): Syzygies of canonical curves

• Warwick, Thursday 27th November 2003
  2:00 Sasha Pukhlikov (Liverpool): Birationally rigid varieties
  4:00 Gavin Brown (Warwick): Gorenstein key varieties and the equations of semistable flips

• Oxford, Thursday 4th March 2004
  3:00 Klaus Hulek (Hanover) Small varieties
  5:00 Nick Shepherd-Barron (Cambridge) Perfect forms

• Oxford, Thursday 22nd April 2004
  11:00 Victor Vassiliev (Moscow) Combinatorial formulas for cohomology of spaces of knots
  2:30 M.S. Raghunathan (Bombay) The first Betti number of arithmetic groups
  3:30 Jean-Michel Bismut (Paris) A deformation of Hodge theory
  5:00 Ragni Piene (Oslo) On the equisingular stratification of families of curves on surfaces

• Nottingham, Saturday 1st May 2004
  11:30 Shuji Saito (Nagoya) Motivic cohomology and cycle class map for semistable schemes over integer rings
  12:40 Alexander Stasinski (Nottingham) Representations of reductive groups over finite rings and extended Deligne-Lusztig varieties
  14:55 Caucher Birkar (Nottingham) Termination in minimal model programme
  16:00 Kazuya Kato (Kyoto) Ramification theory of schemes

• Cambridge, Thursday 20th May 2004
  2:30 Pelham Wilson (Cambridge) Sectional curvatures of Kähler moduli
  4:15 Colin Ingalls (Warwick) Noncommutative surfaces and birational geometry

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