Arnaud Chéritat

Arnaud Chéritat (born June 7, 1975) is a French mathematician who works as a director of research at the Institut de Mathématiques de Toulouse.^[1] His research concerns complex dynamics and the shape of Julia sets.^[2]

Arnaud Chéritat
Born	(1975-06-07) June 7, 1975 (age 50)
Academic work
Discipline	Mathematics

Chéritat earned a licenciate in mathematics in 1995 from the École Normale Supérieure, a diplôme d'études approfondies in pure mathematics in 1996 from the University of Paris-Sud, and a master's degree in pure and applied mathematics and informatics in 1998 from the École Normale Supérieure.^[1] He defended his doctoral thesis in 2001 from the University of Paris-Sud, under the supervision of Adrien Douady,^[3] and completed his habilitation in 2008 from the University of Toulouse.^[1] He worked as a maître de conférences at the University of Toulouse from 2002 until 2007, when he moved to the Institut de Mathématiques de Toulouse.^[1]

In 2006, Chéritat won the Leconte Prize of the French Academy of Sciences.^[4] He was an invited speaker at the International Congress of Mathematicians in 2010.^[5] In 2012, he became one of the inaugural fellows of the American Mathematical Society.^[6]

Selected publications

• with Artur Avila and Xavier Buff: Avila, Artur; Buff, Xavier; Chéritat, Arnaud (2004). "Siegel disks with smooth boundaries". Acta Mathematica. 193 (1): 1–30. doi:10.1007/BF02392549.
• with Xavier Buff: Buff, Xavier; Chéritat, Arnaud (2004). "Upper bound for the size of quadratic Siegel disks". Inventiones Mathematicae. 156 (1): 1–24. Bibcode:2004InMat.156....1B. CiteSeerX 10.1.1.539.6535. doi:10.1007/s00222-003-0331-6. S2CID 41612832.
• with Xavier Buff: Buff, Xavier; Chéritat, Arnaud (2006). "The Brjuno function continuously estimates the size of quadratic Siegel disks". Annals of Mathematics. 164 (1): 265–312. arXiv:math/0401044. doi:10.4007/annals.2006.164.265. JSTOR 20159990. S2CID 55781012.