Professor Pierre-Louis Lions

Chairman of Hong Kong Institute for Advanced Study, City University of Hong Kong
Professor at the Collège de France
Member of the Academia Europaea
Member of the French Academy of Sciences
Fields Medalist (1994)

Professor Pierre-Louis Lions is one of the most prominent experts, worldwide, of the theory of nonlinear partial differential equations. He is a Professor at the prestigious Collège de France in Paris, where he holds the Chair of "Partial Differential Equations and Applications" since 2002.

Professor Pierre-Louis Lions has made profound and lasting contributions to the mathematical analysis of the Boltzmann equation, the compressible Navier-Stokes equations, the Hamilton-Jacobi equations, the Hartree-Fock equation, image processing, viscosity solutions, concentration compactness, mean field games, and stochastic partial differential equations.

Professor Pierre-Louis Lions is Commandeur in the National Order of the Legion of Honor in France. He is a member of the French Academy of Sciences, of the Accademia dei Lincei, of the Academies of Sciences of Argentina, Chile, and Brazil, of the Academia Europaea, of the Istituto Lombardo, of the Accademia di Napoli, of the French Academy of Technologies, of the World Academy of Sciences (TWAS), and of the Royal Academy of Belgium.

Professor Pierre-Louis Lions has received numerous awards, including the prestigious Fields Medal in 1994, the Grand Prize Ampère from the French Academy of Sciences, the Grand Prize from the INRIA, France, the IBM Prize, and the Philip Morris Prize. He is "Doctor Honoris Causa" at Heriot-Watt University, at City University of Hong Kong, at the Ecole Polytechnique Fédérale de Lausanne, at Bucharest University, at University of Santiago of Chile, at Narvik University and at University of Chicago. He is listed as an ISI highly cited researcher.

 

Bibliography

Major scientific articles

  1. “The concentration-compactness principle in the Calculus of Variations, Ann. I.H.P. Anal. Non-lineaire”, 1 (1984), p. 109-145 et 223-283. Riv. Mat. Iberoamericana, 1 (1985), p. 45-121 et p. 145-201.
  2. “On the Cauchy problem for Boltzmann equations: global existence and weak stability”. Ann. of Math., 130 (1989), p. 321-366 (avec R.J. Di Perna).
  3. “Ordinary differential equations, Sobolev spaces and transport theory”. Inventiores, 98 (1989), p. 511-547 (avec R.J. Di Perna).
  4. “Mathematical Topics in Fluid Mechanics”. Oxford Univ. Press, Oxford, Vol. I, 1996 ; Vol. II, 1998.
  5. “Thermodynamical limit for Thomas-Fermi type models”. Oxford Univ. Press, Oxford, 1998 (avec I. Catto et C. Le Bris).
  6. On Lipschitz solutions of mean field games master equations. arXiv preprint arXiv:2302.05218, 2023. To appear in Journal of Functional Analysis, 2024 (avec Ch. Bertucci et J-M. Lasry).
  7. The master equation and the convergence problem in mean field games. AMS-201, Princeton University Press, 2019.

 

Professional Affiliations

  1. Chairman of the Board of Directors of the Ecole Normale Supérieure 
  2. Chairman of the of EDF Scientific Council, CEA-DAM, France Telecom, FRAE 
  3. Chair of Finance and Durable Development of Paris-Dauphine University, of Paris Tech Scientific Council of Research Initiative “Finance post-crisis”, of EMMA Project, Member (founder) of International
  4. Committee of “International Summer School of Applied Mathematics”, Morningside Institute Chinese Academy of Sciences, of Program Committee ICM 2006 
  5. Chairman of Institute Louis Bachelier Scientific Council, of the Chair Havas Dauphine EIF “Economics of New Data”
  6. Member of the High Council for Science and Technology
  7. Member of Board of Trustees and Scientific Council of IMDEA (Madrid), of the BCAM
  8. Member of the Board of Directors and Scientific Council of the Fondation Sciences Mathématiques de Paris, Member of the Board of Directors of the Fondation d'Entreprise IXIS
  9. Member of Scientific Council of Europlace Institute of Finance, of Risk Foundation
  10. Founder and member of Supervisory Board of MFG R&D, Member of the Scientific Committee of the Scor Foundation for science
  11. Member of the Comité d'Orientation de l'ENS
  12. Member of Société des Amis du Palais de la Découverte
  13. Member of the International Advisory Board of the Scuola di Dottorato in Scienze Astronomiche, Chimiche, Fisiche e Mathematiche “Vito Volterra”
  14. Member of Scientific Advisory Panel of European Mathematical Society, of International Advisory Board of Institute of Mathematical Sciences of Imperial College
  15. Scientific Director of LABEX ILB International
  16. Member of the Defence Scientific Council, Member of the Board of Sark and Channel Bridge
  17. Consultant at INRIA, BNP-Paribas, EADS, IEF, HAVAS, ILB
  18. Director of the Unité d'Enseignement et de Recherche “Mathématiques de la Décision”, 1986-1989 
  19. Member of the Conseil d'Administration of the Université Paris-Dauphine, 1988-1991 
  20. Director of Ceremade, 1991-1996 
  21. Member of the Conseil Scientifique de l'Université Paris-Dauphine, 1992-1996 
  22. Member of the Executive Committee of the European Mathematical Society (1990-1994) and of the Société de Mathématiques Appliquées et Industrielles (1989-1993) 
  23. Member of the Comité d'Orientation Stratégique de la Recherche from 1995 to 2000 
  24. Member of the Conseil d'Orientation de l'Université de Cergy-Pontoise from 1995 to 2000
  25. Editorial Board of “Series” : Monographs in Mathematics (Birkhaüser), Partial Differential Equations (Birkhaüser), Advances in Applications for Applied Sciences (World Scientific), Studies in Mathematics and its Applications (Elsevier)
  26. Chief Editor of Journal de Mathématiques Pures et Appliquées (JMPA)
  27. Editor of Series in Applied Mathematics, North Holland
  28. Editorial Board of the Journals : Archives for Rational Mechanics and Analysis, Communications in Partial Differential Equations, Revista Matematica Iberoamericana, Journal of Differential and Integral Equations, Numerische Mathematik, Applied Mathematics Letters, Dynamic Systems and Applications, Mathematical Models and Methods for Applied Sciences, Nonlinear Analysis – Theory Methods and Applications, Asymptotic Theory, Modélisation Mathématique et Analyse Numérique, Communications in Nonlinear Analysis and Applications, Advances in Differential Equations, Numerical Algorithms, Journal de Mathématiques Pures et Appliquées, Comptes-Rendus de l'Académie des Sciences, Discrete and Continuous Dynamical Systems, Mathematical Research Letters, Journal of Inequalities and Applications, Zeitschrift Analysis Anwendungen, Ricercha Matematica, Interfaces and Free Boundaries, Nonlinear Analysis Forum, International Journal of Differential Equations and Applications, Chinese Annals of Mathematics, Mathematical Analysis and Applications, COSMOS (Journal of Science and Technology), Computer Methods in Applied Mechanics and Engineering, Annali di Matematica Pura et Applicata, Foundations of Computational Mathematics, International Journal of Pure and Applied Mathematics, Mathematics and Financial Economics, Bulletin of the Brazilian Mathematical Society, Advances in Nonlinear Studies. Kinetic and Related Models, Mathematics in Action, Nonlinear Differential Equations
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Nobel Laureates
HKIAS News
22 Oct 2025
The Hong Kong Institute for Advanced Study (HKIAS) hosted its Annual General Meeting (AGM) on October 15, 2025, gathering Senior Fellows from across the globe to mark the Institute’s 10th anniversary and engage in discussions centered on strategic advancements in research and international collaboration. Under the leadership of Chairman Professor Serge Haroche, the meeting commenced with a heart-warming welcome to the new appointed HKIAS Senior Fellows: Professor Françoise Combes, Professor Étienne Ghys, Professor Dame Madeleine Atkins, Professor Alessio Figalli and Professor Sylvie Méléard. The Executive Director, Professor Shuk Han Cheng, presented a comprehensive review of the recent initiatives undertaken by City University of Hong Kong (CityUHK) and HKIAS, highlighting current news, activities, collaborative interactions with faculty members between CityUHK and the home institutions of our Senior Fellows and the significant achievements of Senior Fellows to underscore a decade of excellence. 
Nobel Laureates
HKIAS News
21 Nov 2025
City University of Hong Kong (CityUHK) signed a Memorandum of Understanding (MoU) with the Collège de France and the French Academy of Sciences on 17 October to strengthen academic partnerships and foster collaborative research and exchanges. This tripartite agreement underscores CityUHK’s commitment to promoting international education and research collaboration, reinforcing its recognition as the Most International University in the World.
Nobel Laureates
HKIAS News
06 Dec 2024
The Hong Kong Institute for Advanced Study (HKIAS) hosted its Annual General Meeting (AGM) on 19 November 2024, bringing together Senior Fellows from across the globe to discuss strategic advancements in research and international collaboration. Chaired by our HKIAS Chairman Professor Serge Haroche, the meeting focused on strengthening global partnerships between the City University of Hong Kong (CityUHK) and the home institutions of our Senior Fellows, recruiting leading scholars to HKIAS, and preparing for the Institute's 10th-anniversary celebration in 2025, etc.
Nobel Laureates
CityU NewsCentrer
08 Mar 2017
An eminent scholar Professor Pierre-Louis Lions, Professor at the prestigious ColIège de France in Paris and Senior Fellow at the Institute for Advanced Study at City University of Hong Kong, delivered a distinguished lecture titled “Interfaces, junctions & stratifications" on 2 March.
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