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Yves Le Jan (born 15 April 1952 in
Grenoble lat, Gratianopolis , commune status = Prefecture and commune , image = Panorama grenoble.png , image size = , caption = From upper left: Panorama of the city, Grenoble’s cable cars, place Saint- ...
) is a French mathematician working in
Probability theory Probability theory 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 expressing it through a set o ...
and
Stochastic processes In probability theory and related fields, a stochastic () or random process is a mathematical object usually defined as a family of random variables. Stochastic processes are widely used as mathematical models of systems and phenomena that appe ...
. Le Jan studied from 1971 to 1974 at the
École normale supérieure École may refer to: * an elementary school in the French educational stages normally followed by secondary education establishments (collège and lycée) * École (river), a tributary of the Seine flowing in région Île-de-France * École, Savoi ...
, finishing with an Agrégation. 1975 he became a researcher (Attaché de Recherche) at the
CNRS The French National Centre for Scientific Research (french: link=no, Centre national de la recherche scientifique, CNRS) is the French state research organisation and is the largest fundamental science agency in Europe. In 2016, it employed 31,637 ...
(from 1987 Directeur de Recherche) and in 1979 obtained his PhD (Doctorat d´Etat). Since 1993 he is Professor at the
University of Paris-Sud Paris-Sud University (French: ''Université Paris-Sud''), also known as University of Paris — XI (or as Université d'Orsay before 1971), was a French research university distributed among several campuses in the southern suburbs of Paris, in ...
. From 2001 to 2004 he was leading its group on probability theory and statistics. In 2006 he was
invited speaker at the International Congress of Mathematicians This is a list of International Congresses of Mathematicians Plenary and Invited Speakers. Being invited to talk at an International Congress of Mathematicians has been called "the equivalent, in this community, of an induction to a hall of fame." ...
in
Madrid Madrid ( , ) is the capital and most populous city of Spain. The city has almost 3.4 million inhabitants and a metropolitan area population of approximately 6.7 million. It is the second-largest city in the European Union (EU), and ...
(''New developments in stochastic dynamics''). In 2008 he became Senior Member of the
Institut Universitaire de France The Institut Universitaire de France (IUF, Academic Institute of France), is a service of the French Ministry of Higher Education that distinguishes each year a small number of university professors for their research excellence, as evidenced by t ...
. In 2011 he was Doob Lecturer at the 8th World Congress in Probability and Statistics in
Istanbul Istanbul ( , ; tr, İstanbul ), formerly known as Constantinople ( grc-gre, Κωνσταντινούπολις; la, Constantinopolis), is the List of largest cities and towns in Turkey, largest city in Turkey, serving as the country's economic, ...
. In 2011 he was awarded the
Sophie Germain Prize The Sophie Germain Prize (in French: ''Prix Sophie Germain'') is an annual mathematics prize from the French Academy of Sciences conferred since the year 2003. It is named after the French mathematician Sophie Germain, and comes with a prize of ...
and in 1995 the
Poncelet Prize The Poncelet Prize (french: Prix Poncelet) is awarded by the French Academy of Sciences. The prize was established in 1868 by the widow of General Jean-Victor Poncelet for the advancement of the sciences. It was in the amount of 2,000 francs (as of ...
of the
French Academy of Sciences The French Academy of Sciences (French: ''Académie des sciences'') is a learned society, founded in 1666 by Louis XIV of France, Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French Scientific me ...
. From 2000 to 2006 he was Editor of
Annales Henri Poincaré The ''Annales Henri Poincaré'' (''A Journal of Theoretical and Mathematical Physics'') is a peer-reviewed scientific journal which collects and publishes original research papers in the field of theoretical and mathematical physics. The emphasis ...
.


Books

*with Jacques Franchi ''Hyperbolic dynamics and Brownian motion : an introduction'', Oxford University Press 2012 *with
K. David Elworthy Kenneth David Elworthy is a Professor Emeritus of Mathematics at the University of Warwick. He works on stochastic analysis, stochastic differential equations and geometric analysis. Life and career Elworthy was born on 21 December 1940. He was ...
, Xue-Mei Li ''The Geometry of Filtering'', Birkhäuser 2010 *with
K. David Elworthy Kenneth David Elworthy is a Professor Emeritus of Mathematics at the University of Warwick. He works on stochastic analysis, stochastic differential equations and geometric analysis. Life and career Elworthy was born on 21 December 1940. He was ...
, Xue-Mei Li ''On the geometry of diffusion operators and stochastic flows'', Springer Verlag 1999 *''Markov paths, loops and fields'', École d’Été de Probabilités de Saint-Flour XXXVIII-2008, Springer Verlag 2011


References


External links


Homepage
* *http://www.idref.fr/076172937 *http://www.math.u-psud.fr/~lejan/CVanglais.pdf {{DEFAULTSORT:Le Jan, Yves 1952 births Living people French mathematicians École Normale Supérieure alumni Academic staff of Paris-Sud University