N-Dimensional hyperbolic paraboloids are ruled

Marcos Luiz CRISPINO[1]

§     ABSTRACT: By means of linear algebra we prove that hyperbolic paraboloids in euclidean spaces of finite dimension n (hyperbolic hyperparaboloids) are ruled.

§   KEYWORDS: Hypersurfaces; hyperquadrics; hyperparaboloids.

 



[1]Departamento de Energia Nuclear, Centro de Tecnologia e Geociências, Universidade Federal de Pernambuco – UFPE, CEP: 50740-540, Recife, PE, Brasil. E‑mail: edfcd2003@gmail.com / edfcd2003@yahoo.com.br