Edmond Laguerre

Edmond Nicolas Laguerre (9 April 1834, Bar-le-Duc – 14 August 1886, Bar-le-Duc) was a French mathematician[1] and a member of the Académie française (1885). His main works were in the areas of geometry and complex analysis. He also investigated orthogonal polynomials (see Laguerre polynomials). Laguerre's method is a root-finding algorithm tailored to polynomials. He laid the foundations of a geometry of oriented spheres (Laguerre geometry and Laguerre plane), including the Laguerre transformation or transformation by reciprocal directions.

See also: Laguerre (surname)
Edmond Nicolas Laguerre
Born(1834-04-09)9 April 1834
Bar-le-Duc, France
Died14 August 1886(1886-08-14) (aged 52)
Bar-le-Duc, France
Known forLaguerre polynomials, Laguerre's method, Laguerre plane
Scientific career
FieldsMathematics

Works

Selection
  • Notes sur la résolution des équations numériques. Paris: Gauthier-Villars. 1880.
  • Laguerre, Edmond (1881). "Sur la transformation par directions réciproques" . Comptes rendus. 92: 71–73.
  • Laguerre, Edmond (1882). "Transformations par semi-droites réciproques" . Nouvelles annales de mathématiques. 1: 542–556.
  • Théorie des équations numériques, Paris: Gauthier-Villars. 1884 on Google Books
  • Recherches sur la géométrie de direction; méthodes de transformation; anticaustiques. Gauthier-Villars. 1885.
  • (in French) Oeuvres de Laguerre publ. sous les auspices de l'Académie des sciences par MM. Charles Hermite, Henri Poincaré, et Eugène Rouché. (Paris, 1898-1905) (reprint: New York : Chelsea publ., 1972 ISBN 0-8284-0263-9)

Extensive lists
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See also

References
  1. "LAGUERRE, Edmond Nicolas". The New International Encyclopaedia. vol. 13 (2nd ed.). 1918. pp. 468–469.
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