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Master 2 : Orientation en Systèmes complexes

To candidate to the program, please follow the instructions underneath.

The “Complex Systems” master training, with emphasis on “Physics, Computer science and Complex Networks”, is an option of Master 2 which offers specific lectures as part of the Masters of Physics (Sciences de la Matière / Parcours Science et Innovation) or the Master of Biology (Biosciences); the lectures are also intended and accessible for the students in the Master of Computer Science (Informatique Fondamentale). All these Masters are organised by the ENS of Lyon and University Lyon 1, an the “Complex Systems” training aims to provide an innovative teaching for students who are interested in the interdisciplinary research of complex networks and modeling of complex systems.

This program maintains a balance between different disciplines by combining courses from the fields of biology, computer science, mathematics, physics and sociology. Students from all of these disciplines are welcome to participate; the student will follow both the ”Complex Systems” program and part of their own M2: Computer Science, Physics, or Bioscience (please contact the people responsible of the programs for more details).

The inscriptions to the program has to be made by following the procedure of the ENS de Lyon webpage : Follow the online procedure for admission in Master et the ENS of Lyon (or the University of Lyon 1). For the ENS of Lyon, this is explained here in french (for student already in France) or here: admission at ENS de Lyon (in english) for others. Be attentive to the deadlines. Also, please contact Pierre Borgnat, currently in charge this part of Master, so that we are aware of the application. 

The program puts a special focus on the theory and modelling of complex networks and provides special training in data-driven research. In the end of the program students will receive a degree supplement assigned in their original master degree. All courses are given in English (optionally in French if all the students are fluent in French) for 4 or 6 ECTS during the fall between September and January. For a successful validation the participating students are required to collect 30 ECTS of their Master during the first semester, and 30 ECTS for the second semester. Each Master has a specific list of lectures, supplemented by the following offer in the domain of complex systems and data processing and learning:

Mandatory courses

  • Fundamentals in Computer Science  (S. Thomassé) ; 18h + 8h TD; 3 ECTS  (*)
  • Complex Networks - Network Science (R. Cazabet, C. Cespelle) ; 24h + 8h TD, 5 ECTS
  • Methods in Complex Systems, (T. Nguyen-Huu, N. Garnier) ; 20h + 8h TD, 4 ECTS

(* : these lectures can not be taken by students from Computer Science Master)

Research courses

  • Data analysis and processing for networks, P. Borgnat, F. Picard, P. Abry - 18h, 3 ECTS
  • Machine learning, N. Pustelnik, P. Abry, P. Borgnat, 18h, 3 ECTS, 
  • Modeling in biology and medicine, L. Pujo-Menjouet, B. Audit, O. Gandrillon - 18h, 3ECTS
  • Modeling of Social Systems, P. Jensen - 18h, 3ECTS
  • Other research lectures in Master 2 in Computer Science Master or Physics (or other Masters)

Research Internship

The students have to follow a research internship during the second semester. The specific rules depend on the Master of inscription (Physics, Bioscience or Computer Science); usually, the internship is over the whole semester, of at least 20 or 24 weeks. In Physics, it will count as 30 ECTS (validated by a written report and an oral presentation), and 24 ECTS in Bioscience.


For further details about the program please contact the people in charge:

Schedule of 2021-2022

Beginning of lectures of the first semester: early September 2021. End of 1st semester: end of 1st week of January 2022. Second semester: Research internship up to mid July 2022.

See the schedule of 2021-2022 here:

Link to the schedule of the specific lectures in Complex Systems



ENS Lyon provides different scholarship programs for international students:

For further details please visit the site of the international student office of ENS Lyon. ERASMUS students from universities with partnership agreement with ENS Lyon are welcome.

22/06/2021 The graduate school "Confinement-Controlled Chemistry" is looking for top-class graduate students with an interest in exploring the influence of geometrical confinement on reactions. Our graduate school offers a three-year-program, starting October 1st 2021 latest (preferably earlier), that combines cutting-edge research with a structured curriculum (in English) of lectures, colloquia and workshops in the fields of theory, spectroscopy, synthesis, and surface science. The program also comprises the opportunity for an integrated three-month research stay, preferably at the University of California.
31/03/2021 Newsletter IXXI - AVRIL 2021
25/03/2021 Appel à candidatures 2021 Prix de Thèse Systèmes Complexes Depuis 2017, l’Institut des Systèmes Complexes de Paris IdF (ISC-PIF) et ses partenaires décernent annuellement un prix de thèse dont l’objectif est de mettre à l’honneur la recherche dans le domaine des systèmes complexes et de distinguer les travaux de jeunes chercheur·euse·s particulièrement prometteur·euse.s.