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arXiv 2102.01036math.DGgr-qc
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通过半球的双曲质量

Hyperbolic mass via horospheres

Hyun Chul Jang, Pengzi Miao

摘要:

本文利用坐标球面导出了渐近双曲流形质量的几何公式。作为应用,我们得到了双曲空间的一个新的刚性结果:如果完备渐近双曲流形具有数量曲率下界-n(n-1),且在坐标球外等距于双曲空间,则该流形等距于双曲空间.此外,我们应用我们的公式调查的区域附近的无穷大,不有助于质量量,从而导致改进的刚性结果的双曲空间。

英文摘要:

We derive geometric formulas for the mass of asymptotically hyperbolic manifolds using coordinate horospheres. As an application, we obtain a new rigidity result of hyperbolic space: if a complete asymptotically hyperbolic manifold has scalar curvature lower bound -n(n-1) and is isometric to hyperbolic space outside a coordinate horosphere, then the manifold is isometric to hyperbolic space. In addition, we apply our formula to investigate regions near infinity that do not contribute to the mass quantity, which leads to improved rigidity results of hyperbolic space.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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