Gabriel Xavier Paul Koenigs

Gabriel Xavier Paul Koenigs (17 January 1858 in Toulouse, France – 29 October 1931 in Paris, France) was a French mathematician who worked on analysis and geometry. He was elected as Secretary General of the Executive Committee of the International Mathematical Union after the first world war, and used his position to exclude countries with whom France had been at war from the mathematical congresses.

Gabriel Xavier Paul Koenigs
Portrait of Gabriel Koenigs, December 1929
Born	17 January 1858 Toulouse, France
Died	29 October 1931 Paris, France
Nationality	French
Occupation	Mathematician
Known for	Won the Poncelet Prize

He was awarded the Poncelet Prize for 1893.^[1]

Publications

• Koenigs G. Recherches sur les intégrals de certaines équations fontionnelles. Ann. École Normale, Suppl., 1884, (3)1.
• Leçons de l'agrégation classique de mathématiques. A. Hermann. 1892.
• Mémoire sur les lignes géodésiques. Paris: Imp. nationale. 1894.
• La géométrie réglée et ses applications. Gauthier-Villars. 1895.^[2]
• Leçons de cinématique. Paris: A. Hermann. 1897.^[3]
• Introduction a une théorie nouvelle des mechanismes. A. Hermann. 1905.

See also

• Koenigs function
• Schröder's equation