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arXiv 1602.01429math.DG
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关于具有调和Weyl曲率的闭流形

On Closed Manifolds with Harmonic Weyl Curvature

Hung Tran

摘要:

我们推导出了任意维上具有调和Weyl曲率的闭流形的点态和积分刚性/间隙结果。特别地,对于非负曲率算子,推广了Tachibana定理。关键成分是新的Bochner-Weitzenböck-Lichnerowicz型公式的外尔张量,这是推广的身份在第四个维度。

英文摘要:

We derive point-wise and integral rigidity/gap results for a closed manifold with harmonic Weyl curvature in any dimension. In particular, there is a generalization of Tachibana's theorem for non-negative curvature operator. The key ingredients are new Bochner-Weitzenböck-Lichnerowicz type formulas for the Weyl tensor, which are generalizations of identities in dimension four.

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