彭罗斯-霍金奇点定理
彭罗斯–霍金奇点定理（英语：Penrose–Hawking singularity theorems）是关于广义相对论中何时产生引力奇点的问题的一些研究结果。
爱因斯坦场方程解的奇点是指下面两个问题：
类空奇点是无旋-无荷黑洞的特性之一，而类时奇点则会出现在带荷黑洞或是旋转黑洞的精确解中，两类奇点都有如下性质：
- 测地不完备性：光子路径或是粒子路径不可以超出特定的固有时或仿射参数（仿射参数可以看做是固有时的一个类比）。
注释
参考文献
- Hawking, Stephen & Ellis, G. F. R. The Large Scale Structure of Space-Time. Cambridge: Cambridge University Press. 1973. ISBN 0-521-09906-4. The classic reference.
- Natário, J. Relativity and Singularities - A Short Introduction for Mathematicians. 2006. arXiv:math/0603190v1
. - See also for a relevant chapter from The Large Scale Structure of Space Time.
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就是霍金点
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