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Valérie Berthé

Valérie Berthé (born 16 December 1968)[1] is a French mathematician who works as a director of research for the Centre national de la recherche scientifique (CNRS) at the Institut de Recherche en Informatique Fondamentale (IRIF), a joint project between CNRS and Paris Diderot University. Her research involves symbolic dynamics, combinatorics on words, discrete geometry, numeral systems, tessellations, and fractals.[2]



Berthé completed her baccalauréat at age 16,[3] and studied at the École Normale Supérieure from 1988 to 1993. She earned a licentiate and master's degree in pure mathematics from Pierre and Marie Curie University in 1989, a Diplôme d'études approfondies from University of Paris-Sud in 1991, completed her agrégation in 1992, and was recruited by CNRS in 1993.[1] Continuing her graduate studies, she defended a doctoral thesis in 1994 at the University of Bordeaux 1. Her dissertation, Fonctions de Carlitz et automates: Entropies conditionnelles was supervised by Jean-Paul Allouche.[1][4] She completed a habilitation in 1999, again under the supervision of Allouche, at the University of the Mediterranean Aix-Marseille II; her habilitation thesis was Étude arithmétique et dynamique de suites algorithmiques.[1]


Berthé is a vice-president of the Société mathématique de France (SMF), and director of publications for the SMF.[5] She has played an active role in L'association femmes et mathématiques.[6] Berthé has also been associated with the M. Lothaire pseudonymous mathematical collaboration on combinatorics on words[7] and the Pythias Fogg pseudonymous collaboration on substitution systems.[8]


In 2013, Berthé was elevated to the Legion of Honour.[3][6]


  1. ^ a b c d Curriculum vitae (PDF), April 2012, retrieved 2018-02-10 
  2. ^ Berthé Valérie, Institut de Recherche en Informatique Fondamentale (IRIF), retrieved 2018-02-10 
  3. ^ a b "Valérie Berthé, brillante tête chercheuse au CNRS", Ouest-France (in French), February 7, 2014 
  4. ^ Valérie Berthé at the Mathematics Genealogy Project
  5. ^ Bureau, Société mathématique de France, retrieved 2018-02-10 
  6. ^ a b "Valérie Berthé", Women and Men Inspiring Europe Resource-Pool, European Institute for Gender Equality, retrieved 2018-02-10 
  7. ^ Lothaire, M. (2005), Applied combinatorics on words, Encyclopedia of Mathematics and Its Applications, 105, A collective work by Jean Berstel, Dominique Perrin, Maxime Crochemore, Eric Laporte, Mehryar Mohri, Nadia Pisanti, Marie-France Sagot, Gesine Reinert, Sophie Schbath, Michael Waterman, Philippe Jacquet, Wojciech Szpankowski, Dominique Poulalhon, Gilles Schaeffer, Roman Kolpakov, Gregory Koucherov, Jean-Paul Allouche and Valérie Berthé, Cambridge: Cambridge University Press, ISBN 0-521-84802-4, Zbl 1133.68067 
  8. ^ Pytheas Fogg, N. (2002), Berthé, Valérie; Ferenczi, Sébastien; Mauduit, Christian; Siegel, A., eds., Substitutions in dynamics, arithmetics and combinatorics, Lecture Notes in Mathematics, 1794, Berlin: Springer-Verlag, ISBN 3-540-44141-7, Zbl 1014.11015 

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