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arXiv 1609.02047math.DGmath-phmath.APmath.MP
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用连续性方法研究耦合Kähler-Einstein度规的存在性

Existence of coupled Kähler-Einstein metrics using the continuity method

Vamsi Pritham Pingali

摘要:

本文证明了在典范丛充足的复流形上耦合Kähler-Einstein度量的存在性。这些指标被引入,并在上述情况下的存在被证明由Hultgren和Nyström使用变分法。我们用连续性方法证明了这个结果。在证明估计的过程中,类似于通常的凯勒-爱因斯坦度量,我们将法诺情形下的存在性简化为C^0估计。

英文摘要:

In this paper we prove the existence of coupled Kähler-Einstein metrics on complex manifolds whose canonical bundle is ample. These metrics were introduced and their existence in the said case was proven by Hultgren and Nyström using calculus of variations. We prove the result using the method of continuity. In the process of proving estimates, akin to the usual Kähler-Einstein metrics, we reduce existence in the Fano case to a C^0 estimate.

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