Exact solutions in general relativity

vacuum），描述的一旋轉、球對稱之質量龐大物體（例如：黑洞）週遭真空區域的時空幾何。其為廣義相對論的精確解（英语：Exact solutions in general relativity），故又稱克爾解；廣義相對論的主導方程式——愛因斯坦場方程式是非線性的，找出其精確解是相當困難的任務。

广义相对论的流体解 洛伦兹群 Schutz, Bernard F., 4. Perfect fluids in special relativity, A first course in general relativity 2, Cambridge University Press, 2009, ISBN 0-521-88705-4 

The main application of de Sitter space is its use in general relativity（英语：general relativity）, where it serves as one of the simplest mathematical

ISBN 3-86025-362-X  Ehlers, Jürgen, Survey of general relativity theory, Israel, Werner (编), Relativity, Astrophysics and Cosmology, D. Reidel: 1–125

cannot be tensors themselves if the coordinates don't change in a linear way. In general relativity, one cannot describe the energy and momentum of the gravitational