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Bienvenue - Laboratoire Jacques-Louis Lions




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Key figures

Key figures

189 people work at LJLL

90 permanent staff

82 researchers and permanent lecturers

8 engineers, technicians and administrative staff

99 non-permanent staff

73 Phd students

14 Post-doc and ATER

12 emeritus scholars and external collaborators


Figures : March 2019


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Created in 1969, the laboratory is named after its founder Jacques-Louis Lions. It is now a joint research unit between Sorbonne University and the University of Paris.


The Laboratoire Jacques-Louis Lions is the largest applied mathematics university department in France and one of the world leaders in applied mathematics training and research. It is home to two second-year masters programs of Sorbonne University that total about a hundred graduate students. LJLL research spans many different topics such as mathematical analysis, modeling, and high performance computing for phenomena represented by partial differential equations. With approximately 100 academics, engineers, permanent or emeritus staff, and as many doctoral or post-doctoral students, the LJLL interacts with the economic world and other scientific fields across a wide spectrum of applications: fluid dynamics; physics, mechanics and theoretical chemistry; control, optimization and finance; medicine and biology; signal and data processing.



Currently, the director of LJLL is Benoît Perthame

Translation carried out by the Masters 2 ILTS team