§ The Geometry of Kerr black hole Barrett O'Neill
1.1 Manifolds 1.2 Tensor 1.3 Differential geometry 1.4 Extending Manifolds 1.5 Lorentz vector spaces 1.6 General Relativity
1.7 Submanifolds [Frobenius theorem] [Lorentz manifold] [metrics] 1.8 Cartan Computations Cartan structure equations 這裡有一個 2-dim surface 高斯曲率的公式
1.9 Overview(概述) of a Kerr black hole
2.1 The Kerr Metric 2.2 Boyer-Lindquist blocks