André-Louis Cholesky

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André-Louis Cholesky
Andre Cholesky.jpg
Born(1875-10-15)15 October 1875
Montguyon, France
Died31 August 1918(1918-08-31) (aged 42)
Bagneux, France
Cause of deathKilled in action
NationalityFrance
Alma materEcole Polytechnique
Known forCholesky decomposition
Scientific career
FieldsMathematics

André-Louis Cholesky (15 October 1875, in Montguyon – 31 August 1918, in Bagneux) was a French military officer and mathematician.

Cholesky was born in Montguyon, France. His paternal family was descendant from the Cholewski family who emigrated from Poland during the Great Emigration. He attended the Lycée in Bordeaux and entered the École Polytechnique, where Camille Jordan and Henri Becquerel taught.[1] He worked in geodesy and cartography, and was involved in the surveying of Crete and North Africa before World War I. He is primarily remembered for the development of a matrix decomposition known as the Cholesky decomposition which he used in his surveying work. He served in the French military as an artillery officer and was killed in battle a few months before the end of World War I; his discovery was published posthumously by his fellow officer Commandant Benoît in the Bulletin Géodésique.[2]

References[]

  1. ^ O'Connor, John J.; Robertson, Edmund F., "André-Louis Cholesky", MacTutor History of Mathematics archive, University of St Andrews
  2. ^ Commandant Benoit, Note sur une méthode de résolution des équations normales provenant de l'application de la méthode des moindres carrés à un système d'équations linéaires en nombre inférieur à celui des inconnues (Procédé du Commandant Cholesky), Bulletin Géodésique 2 (1924), 67-77.

Further reading[]

  • Brezinski, Claude; Tournès, Dominique (2014). André-Louis Cholesky: Mathematician, Topographer and Army Officer. Cham: Springer International Publishing. doi:10.1007/978-3-319-08135-9. ISBN 978-3-319-08134-2.

External links[]

  • Bulletin de la SABIX, n°39, 2005, André-Louis Cholesky (in French)
  • Cholesky's CV at the library of Ecole Polytechnique (in French)
  • Claude Brezinski, Dominique Tournès, André-Louis Cholesky, Mathematician, Topographer and Army Officer, Birkhaeuser, 2014.
  • Major Cholesky, obituary
  • Sur la résolution numérique des systèmes d'équations linéaires, Cholesky 1910 manuscript, online and analyzed on BibNum (in French and English) [for English, click 'A télécharger']
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