Charles Pisot

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Charles Pisot
Born (1910-03-02)2 March 1910
Obernai, Alsace
Died 7 March 1984(1984-03-07) (aged 74)
Nationality  French
Alma mater École Normale Supérieure
Known for Pisot–Vijayaraghavan number
Scientific career
Fields Mathematics
Institutions University of Paris
Doctoral advisor Arnaud Denjoy
Doctoral students Yvette 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/0010024Freely accessible. doi:10.2307/121122. JSTOR 121122. 

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