具有沿超曲面的角的初始数据集的正质量定理

Pub Date : 2019-06-20 DOI:10.4310/cag.2022.v30.n7.a1
Aghil Alaee, S. Yau
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引用次数: 2

摘要

我们用角动量和电荷证明了轴对称的、单连通的、极大的、完全的初始数据集的正质量定理,该初始数据集具有两个端点,一个指定为渐近平坦,另一个指定为(Kaluza-Klein)渐近平坦或渐近圆柱形。对于四维爱因斯坦-麦克斯韦理论和五维最小超引力理论,它们的度量不是$C^1$第二基本形式和电磁场不是$C^0$跨越轴对称超曲面$\Sigma$。进一步,我们去掉了结果中的完备性和简单连通性假设,并证明了该结果对于边界平均曲率非正的有边界流形。
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Positive mass theorem for initial data sets with corners along a hypersurface
We prove positive mass theorem with angular momentum and charges for axially symmetric, simply connected, maximal, complete initial data sets with two ends, one designated asymptotically flat and the other either (Kaluza-Klein) asymptotically flat or asymptotically cylindrical, for 4-dimensional Einstein-Maxwell theory and $5$-dimensional minimal supergravity theory which metrics fail to be $C^1$ and second fundamental forms and electromagnetic fields fail to be $C^0$ across an axially symmetric hypersurface $\Sigma$. Furthermore, we remove the completeness and simple connectivity assumptions in this result and prove it for manifold with boundary such that the mean curvature of the boundary is non-positive.
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