Charles Pisot

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Charles Pisot
Born(1910-03-02)2 March 1910
Obernai, Alsace
Died7 March 1984(1984-03-07) (aged 74)
Nationality French
Alma materÉcole Normale Supérieure
Known forPisot–Vijayaraghavan number
Scientific career
InstitutionsUniversity of Paris
Doctoral advisorArnaud Denjoy
Doctoral studentsYvette Amice
Benali Benzaghou
Jean-Marc Deshouillers
Jean-Louis Nicolas
Gérard Rauzy
Spiros Zervos

Charles Pisot (2 March 1910 – 7 March 1984) was a French mathematician. He is chiefly recognized as one of the primary investigators of the numerical set associated with his name, the Pisot–Vijayaraghavan numbers.

He followed the classical path of great French mathematicians by studying at the École Normale Supérieure on Ulm street, where he was received first at the agrégation in 1932. He then began his academic career at the Bordeaux University before being offered a chair at the Science Faculty of Paris and at the École Polytechnique. He was a member of Bourbaki.[1]

Also of interest is the recently solved Pisot conjecture on rational functions. (For a technical account and bibliography see Umberto Zannier's paper in the Annals of Mathematics.)[2] He was also the coauthor (with Marc Zamansky) of a textbook in general mathematics (titled Mathématiques générales) which was very popular in the 1960s and 1970s.


  1. ^ Mashaal, Maurice (2006) [2002]. Bourbaki: une sociéte secréte de mathématiciens. Translated by Anna Pierrehumbert. American Mathematical Society. p. 137.
  2. ^ Zannier, Umberto (2000). "A Proof of Pisot's dth Root Conjecture" (PDF). The Annals of Mathematics. 151 (1): 375–383. arXiv:math/0010024. doi:10.2307/121122. JSTOR 121122.

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