Paul Émile Appell
From Wikipedia, the free encyclopedia
Paul Appel (September 27, 1855 in Strasbourg – October 24, 1930 in Paris) was a French mathematician and Rector of the University of Paris. The concept of Appell polynomials is named after him, as is rue Paul Appell in the 14th Arrondissement in Paris.
He was elected to the French Academy of Sciences in 1892.
Between 1903 and 1920 he was Dean of the Faculty of Science of the University of Paris, then Rector of the University of Paris from 1920 to 1925.
He worked first on projective geometry in the line of Chasles, then on algebraic functions, differential equations, and complex analysis.
He discovered a physical intepretation of the imaginary period of the doubly periodic function whose restriction to real arguments describes the motion of an ideal pendulum.
His daughter Marguerite Appell (1883–1969), who married the mathematician Émile Borel, is known as a novelist under her pen-name Camille Marbo.
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[edit] See also
[edit] Works
- Traité de mécanique rationnelle, 4 Vols. (1893-1896)
- See catalogue of the French National Library for a more detailed list
[edit] References
- (fr:) P. Appell, "Notice sur les travaux scientifiques" Acta Mathematica 45 (1925) pp. 161–285. describes 257 of Appell's publications.
- (fr:) E. Lebon, Biographie et bibliographie analytique des écrits de Paul Appell (Paris, 1910)
- (fr:) P. Appell, "Sur une classe de polynômes", Annales scientifiques de l'École Normale Supérieure 2e série, tome 9, 1880.
- (fr:) P. Appell, "Sur une interprétation des valeurs imaginaires du temps en Mécanique", Comptes Rendus Hebdomadaires des Scéances de l'Académie des Sciences, volume 87, number 1, July, 1878.
[edit] Further reading
- May, Kenneth. (1970). "Appell, Paul". Dictionary of Scientific Biography 1: 193-195. New York: Charles Scribner's Sons.
