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arXiv 0706.0505math.DGmath.AG
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关于环面流形上的$K$ -稳定性的注记

A note on the $K$-stability on toric manifolds

Bin Zhou, Xiaohua Zhu

摘要:

本文证明了在极化环面流形上,关于Donaldson环面退化的相对$K$ -稳定性是Calabi极值度量存在的必要条件,并且对于允许极值度量的环面曲面,证明了在$G_0$ -不变Kähler度量空间中修正的$K$ -能量是适当的.

英文摘要:

In this note, we prove that on polarized toric manifolds the relative $K$-stability with respect to Donaldson's toric degenerations is a necessary condition for the existence of Calabi's extremal metrics, and also we show that the modified $K$-energy is proper in the space of $G_0$-invariant Kähler metrics for the case of toric surfaces which admit the extremal metrics.

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