Mathematician:Friedrich Engel

German mathematician specialising in partial differential equations.

Nationality
German

History

 * Born: 26 December 1861 in Lugau (near Chemnitz), Saxony (now Germany)
 * Died: 29 September 1941 in Giessen, Germany

Theorems and Definitions

 * Engel Condition
 * Engel Element
 * Engel Group
 * Engel Expansion
 * Engel's Theorem

Books and Papers

 * 1888: Theorie der Transformationsgruppen I (Theory of transformation groups I) (with Sophus Lie)
 * 1890: Theorie der Transformationsgruppen II (Theory of transformation groups II) (with Sophus Lie)
 * 1893: Theorie der Transformationsgruppen III (Theory of transformation groups III) (with Sophus Lie)
 * 1913: Entwicklung der Zahlen nach Stammbruechen