Georges Henri Halphen

He did his studies at École Polytechnique (X 1862), where he graduated in 1866. He continued his education at École d'Application de l'Artillerie et du Génie de Metz. As a lieutenant of Artillery he was sent Auxonne first and then to Strasbourg. ==Awards==

Georges-Henri Halphen received in the Steiner prize of the Prussian Academy of Sciences in 1882 along with Max Noether. In 1881 Halphen received the Grand Prix of the Académie des sciences for his work on linear differential equations: Mémoire sur la Reduction des Equations Différentielles Linéaires aux Formes Intégrales. He received the Prix Poncelet in 1883 and the ''Prix Petit d'Ormoy in 1885. He was elected to the Académie des sciences in 1886 in the Section de Géométrie'', replacing the deceased Jean Claude Bouquet. In 1887 Halphen was elected to the Accademia dei Lincei in Rome. ==Works==

• Oeuvres de G.H. Halphen, in 4 vols. edited by Camille Jordan, Henri Poincaré, Charles Émile Picard with assistance from Ernest Vessiot, 1916, 1918, 1921, 1924, Paris, France: Gauthier-Villars • Traité des fonctions elliptiques et de leurs applications, 3 vols., 1886, 1888, 1891 (in vol. 2 applications to physics, geometry, the theory of integrals, and geodesy; in vol. 3 applications to algebra, especially the quintic equation, number theory — vol. 3 consists merely of fragments) An overview of Halphen's work is provided by Laurent Gruson and a complete list of the works was compiled by Camille Jordan as part of Halphen's obituary in Journal de Mathématiques Pures et Appliquées. ==See also==