Algebraic surfaces and hyperbolic geometry
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 Burt Totaro (Cambridge)
 Wednesday 05 November 2008, 14:1515:15
 MR13, CMS.
If you have a question about this talk, please contact Burt Totaro.
The intersection form among curves
on a complex algebraic surface always has signature (1,n) for some n. So the automorphism group of an algebraic surface always acts on hyperbolic (n1)space.
For a class of surfaces including
K3 surfaces and many rational surfaces, there is
a close connection between the properties
of the variety and the corresponding group acting on hyperbolic space.
This talk is part of the Algebraic Geometry Seminar series.
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