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TITLE Kahler-Einstein Metrics on Smooth Fano Symmetric Varieties with Picard Number One
KIAS AUTHORS Park, Kyeong-Dong,Park, Kyeong-Dong,Park, Kyeong-Dong
JOURNAL MATHEMATICS, 2021
ARCHIVE 2011.12551
ABSTRACT Symmetric varieties are normal equivarient open embeddings of symmetric homogeneous spaces, and they are interesting examples of spherical varieties. We prove that all smooth Fano symmetric varieties with Picard number one admit Kahler-Einstein metrics by using a combinatorial criterion for K-stability of Fano spherical varieties obtained by Delcroix. For this purpose, we present their algebraic moment polytopes and compute the barycenter of each moment polytope with respect to the Duistermaat-Heckman measure.
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