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Journal of Algebraic Geometry

Journal of Algebraic Geometry

Online ISSN 1534-7486; Print ISSN 1056-3911



Theta functions on moduli spaces of $G$-bundles

Author: Gerd Faltings
Journal: J. Algebraic Geom. 18 (2009), 309-369
Published electronically: May 28, 2008
MathSciNet review: 2475817
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Abstract | References | Additional Information

Abstract: We extend results on the Hitchin fibration to positive characteristics. We derive from the Verlinde formula the existence of canonical divisors on moduli space of $G$-bundles, first in characteristic zero and then (using the previous) also in positive characteristics. It remains open to give a geometric definition. We compute the central charge for some geometrically defined divisors.

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Additional Information

Gerd Faltings
Affiliation: Max-Planck-Institut für Mathematik, Vivatsgasse 7, 53111 Bonn, Germany

Received by editor(s): January 16, 2007
Received by editor(s) in revised form: September 27, 2007
Published electronically: May 28, 2008