Jean Bertoin (born 25 May 1961) is a French mathematician. He is Professor at the

University of Zurich The University of Zurich (UZH, ) is a public university, public research university in Zurich, Switzerland. It is the largest university in Switzerland, with its 28,000 enrolled students. It was founded in 1833 from the existing colleges of the ...

since 2011.

Early life and education

Bertoin was born in

Lyon Lyon (Franco-Provençal: ''Liyon'') is a city in France. It is located at the confluence of the rivers Rhône and Saône, to the northwest of the French Alps, southeast of Paris, north of Marseille, southwest of Geneva, Switzerland, north ...

and completed his undergraduate studies at the École Normale Supérieure of St Cloud. He received his doctorate from

University of Paris VI Pierre and Marie Curie University ( , UPMC), also known as Paris VI, was a public research university in Paris, France, from 1971 to 2017. The university was located on the Jussieu Campus in the Latin Quarter of the 5th arrondissement of Paris, ...

in 1987, having been advised by

Marc Yor Marc Yor (24 July 1949 – 9 January 2014) was a French mathematician well known for his work on stochastic processes, especially properties of semimartingales, Brownian motion and other Lévy processes, the Bessel processes, and their applicat ...

Career

Bertoin is a specialist in

probability theory Probability theory or probability calculus is the branch of mathematics concerned with probability. Although there are several different probability interpretations, probability theory treats the concept in a rigorous mathematical manner by expre ...

. His research deals with

Lévy process In probability theory, a Lévy process, named after the French mathematician Paul Lévy, is a stochastic process with independent, stationary increments: it represents the motion of a point whose successive displacements are random, in which disp ...

es,

Brownian motion Brownian motion is the random motion of particles suspended in a medium (a liquid or a gas). The traditional mathematical formulation of Brownian motion is that of the Wiener process, which is often called Brownian motion, even in mathematical ...

, branching processes, random fragmentation, and coalescence processes. In 1988, Bertoin became a researcher at

CNRS The French National Centre for Scientific Research (, , CNRS) is the French state research organisation and is the largest fundamental science agency in Europe. In 2016, it employed 31,637 staff, including 11,137 tenured researchers, 13,415 eng ...

, and was appointed Professor at

Pierre-and-Marie-Curie University Pierre and Marie Curie University ( , UPMC), also known as Paris VI, was a public research university in Paris, France, from 1971 to 2017. The university was located on the Jussieu Campus in the Latin Quarter of the 5th arrondissement of Paris, ...

in 1992. In the early 1990s he began a collaboration with Ron Doney on the topic of conditioned

random walks In mathematics, a random walk, sometimes known as a drunkard's walk, is a stochastic process that describes a path that consists of a succession of random steps on some mathematical space. An elementary example of a random walk is the random ...

, with the pair co-writing six papers between 1994 and 1997. Bertoin has received numerous awards, including the CNRS Bronze Medal (1992), the

Rollo Davidson Prize The Rollo Davidson Prize is a prize awarded annually to early-career probabilists by the Rollo Davidson trustees. It is named after English mathematician Rollo Davidson (1944–1970). Rollo Davidson Trust In 1970, Rollo Davidson, a Fellow-e ...

(1996), and the Thérèse Gautier Prize (2015). He was an invited speaker at the ICM (2002) and

ECM ECM may refer to the following: Economics and commerce * Engineering change management * Equity capital markets * Error correction model, an econometric model * European Common Market Mathematics * Lenstra's Elliptic curve method for factor ...

(2012), and elected a corresponding member of the

Mexican Academy of Sciences The Mexican Academy of Sciences ''(Academia Mexicana de Ciencias)'' is a non-profit organization comprising over 1800 distinguished Mexico, Mexican scientists, attached to various institutions in the country, as well as a number of eminent forei ...

in 2011. His doctoral students include Grégory Miermont.

Selected publications

''Lévy processes''
Cambridge University Press 1996.
''Random fragmentation and coagulation processes''
Cambridge University Press 2006. * ''Subordinators: Examples and Applications'', in: Jean Bertoin, Fabio Martinelli, Yuval Peres, ''Lectures on Probability Theory and Statistics'', Ecole d’Eté de Probailités de Saint-Flour XXVII - 1997, ''Lectures Notes in Mathematics'' 1717, Springer 1999, pp. 1–91. * with Jean-François Le Gall: "The Bolthausen–Sznitman coalescent and the genealogy of continuous-state branching processes." Probability theory and related fields 117, no. 2 (2000): 249–266. * * * with Marc Yor: "Exponential functionals of Lévy processes." Probability Surveys 2 (2005): 191–212.

References

External links

Prof. Dr. Jean Bertoin, Universität ZürichBertoin, Jean — Idref
* {{DEFAULTSORT:Bertoin, Jean 20th-century French mathematicians 21st-century French mathematicians University of Paris alumni Academic staff of the University of Paris Academic staff of the University of Zurich 1961 births Living people Probability Theory and Related Fields editors