Bulletin of the London Mathematical Society Advance Access published online on December 15, 2006
Bulletin of the London Mathematical Society, doi:10.1112/blms/bdl015
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© 2006 London Mathematical Society
Extremal metrics and K-stability
Department of Mathematics, Imperial College, London SW7 2AZ, United Kingdom gabor.szekelyhidi{at}ic.ac.uk
Received 4 October 2005. Revision received 27 January 2006.
We propose an algebraic geometric stability criterion for a polarised variety to admit an extremal Kähler metric. This generalises conjectures by Yau, Tian and Donaldson, which relate to the case of KählerEinstein and constant scalar curvature metrics. We give a result in geometric invariant theory that motivates this conjecture, and an example computation that supports it.