Mathematician:Georges Fontené

Mathematician
French mathematician who worked in geometry, analytic geometry, linear algebra, elliptic functions and elliptic integrals.

Also studied hyperspaces and "courbes gauches".

Supposed to have priority over and  on what is known in the English-speaking world as the Rouché-Frobenius Theorem.

Nationality
French

History

 * Born: 23 September 1848 in Rousies, France
 * Died: 7 April 1923 in 5th arrondissement, Paris, France

Theorems and Definitions

 * Rouché-Fontené Theorem (with ) as it is known in France: also known as:
 * Rouché-Frobenius Theorem (after and )
 * Rouché-Capelli Theorem (after and ) as it is known in Italy
 * Kronecker-Capelli Theorem (after and ) as it is known in Russia


 * Fontené-Ward Generalized Binomial Coefficient (with )

Publications

 * 1892: Hyperespace à $\paren {n - 1}$ dimensions
 * 1897: Géométrie dirigée. Les angles dans un plan orienté avec des droites dirigées et non dirigées
 * 1915: Généralisation d’une formule connue
 * 1922: La Relativité restreinte