| 词条 | Michel Talagrand |
| 释义 |
| name = Michel Talagrand | image = Michel Talagrand.jpg | image_size = | caption = | birth_date = {{birth date and age|1952|02|15|df=y|}} | birth_place = | death_date = | death_place = | nationality = French | fields = Mathematics | workplaces = CNRS | alma_mater = Paris VI University | doctoral_advisor = Gustave Choquet | doctoral_students = Yimin Xiao | known_for = Talagrand's concentration inequality | awards = Loève Prize {{small|(1995)}} Fermat Prize {{small|(1997)}} }} Michel Pierre Talagrand (born 15 February 1952) is a French mathematician. Docteur ès sciences since 1977, he has been, since 1985, Directeur de Recherches at CNRS and a member of the Functional Analysis Team of the Institut de Mathématique of Paris. Talagrand was elected as correspondent of the Académie des sciences of Paris on March 1997, and then as a full member on November 2004, in the Mathematics section. Talagrand studies mainly functional analysis and probability theory and their applications. Scientific activityTalagrand has been interested in probability with minimal structure. He has obtained a complete characterization of bounded Gaussian processes in very general settings, and also new methods to bound stochastic processes. He discovered new aspects of the isoperimetric and concentration of measure phenomena for product spaces, by obtaining inequalities which make use of new kind of distances between a point and a subset of a product space. These inequalities show in great generality that a random quantity which depends on many independent variables, without depending too much on one of them, does have only small fluctuations. These inequalities helped to solve most classical problems in probability theory on Banach spaces, and have also transformed the abstract theory of stochastic processes. These inequalities have been successfully used in many applications involving stochastic quantities, like for instance in statistical mechanics (disordered systems), theoretical computer science, random matrices, and statistics (empirical processes). The recent works of Talagrand concern spin glasses mean fields models. His objective is to give a mathematical foundation to numerous remarkable works of physicists in this domain. Talagrand showed for instance recently the validity of the Parisi formula. Awards
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10 : 1952 births|Probability theorists|20th-century mathematicians|21st-century mathematicians|French mathematicians|Living people|Members of the French Academy of Sciences|ISI highly cited researchers|Chevaliers of the Légion d'honneur|Functional analysts |
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