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 World War I, and used his position to exclude countries with whom France had been at war from the mathematical congresses.
He was awarded the Poncelet Prize for 1893.
Publications Koenigs G. Recherches sur les intégrals de certaines équations fontionnelles. Ann. École Normale, Suppl., 1884, (3)1.
See also Koenigs function Schröder's equation
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