Pierre-Louis Lions

Pierre-Louis Lions
Lions in 2005
Born	(1956-08-11) 11 August 1956 (age 67) Grasse, Alpes-Maritimes, France
Education	Lycée Louis-le-Grand
Alma mater	École normale supérieure Pierre and Marie Curie University
Known for	Nonlinear partial differential equations Mean field game theory Viscosity solution
Awards	ICM Speaker (1983, 1990, 1994) Peccot Lecture (1983) Prix Paul Doistau–Émile Blutet (1986) Ampère Prize (1992) Fields Medal (1994)
Scientific career
Fields	Mathematics
Institutions	Collège de France École Polytechnique University of Paris-Dauphine
Thesis	Sur quelques classes d'équations aux dérivées partielles non linéaires et leur résolution numérique  (1979)
Doctoral advisor	Haïm Brezis
Doctoral students	María J. Esteban Olivier Guéant Gilles Motet Benoit Perthame Nader Masmoudi Cédric Villani

Pierre-Louis Lions (French: [ljɔ̃ːs];^[1] born 11 August 1956) is a French mathematician. He is known for a number of contributions to the fields of partial differential equations and the calculus of variations. He was a recipient of the 1994 Fields Medal and the 1991 Prize of the Philip Morris tobacco and cigarette company.^[2]