Stationary Black Holes

We review the theory of stationary black hole solutions of vacuum Einstein equations.Comment: 10 pages, 2 figures, to appear in Encyclopedia of Mathematical Physics in 200

Static, Self-Gravitating Elastic Bodies

There is proved an existence theorem, in the Newtonian theory, for static, self-gravitating bodies composed of elastic material. The theorem covers the case where these bodies are small, but allows them to have arbitrary shape.Comment: 8 page