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arXiv 0901.1840math.DGmath.CV
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多面体Kahler流形

Polyhedral Kahler Manifolds

Dmitri Panov

摘要:

在这篇文章中,我们引入了多面体Kahler流形的概念,偶数维多面体流形酉完整。我们集中在4维的情况下,证明了这样的流形是光滑的复杂的表面,并分类的度量的奇点。奇点形成一个因子,平坦联络在该因子的补数上的留数给我们一个上同调方程组。抛物型的T.望月使我们能够刻画CP ^2上具有非负曲率的多面体Kahler度量,它在复杂的线排列下具有奇点。

英文摘要:

In this article we introduce the notion of Polyhedral Kahler manifolds, even dimensional polyhedral manifolds with unitary holonomy. We concentrate on the 4-dimensional case, prove that such manifolds are smooth complex surfaces, and classify the singularities of the metric. The singularities form a divisor and the residues of the flat connection on the complement of the divisor give us a system of cohomological equations. Parabolic version of Kobayshi-Hitchin correspondence of T. Mochizuki permits us to characterize polyhedral Kahler metrics of non-negative curvature on CP^2 with singularities at complex line arrangements.

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