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arXiv 1604.04813math.CVmath.DG
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具有非负Griffiths曲率流形上的Hermitian曲率流

The Hermitian curvature flow on manifolds with non-negative Griffiths curvature

Yury Ustinovskiy

摘要:

本文研究紧致复厄米流形$(M,g,J)$上厄米曲率流的一个特殊形式。我们证明,如果初始度量有格里菲斯积极(非负)陈曲率$Ω$,那么这个属性是保持沿流。在具有Griffiths非负Chern曲率的流形上,HCF具有良好的正则化性质,特别是对于任何$t>0$,$Ω(ξ,\barξ,η,\barη)$的零集在一定的挠-扭平行输运下变得不变.

英文摘要:

In this paper we study a particular version of the Hermitian curvature flow (HCF) over a compact complex Hermitian manifold $(M,g,J)$. We prove that if the initial metric has Griffiths positive (non-negative) Chern curvature $Ω$, then this property is preserved along the flow. On a manifold with Griffiths non-negative Chern curvature the HCF has nice regularization properties, in particular, for any $t>0$ the zero set of $Ω(ξ,\barξ,η,\barη)$ becomes invariant under certain torsion-twisted parallel transport.

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