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by Marc LEFRANC - published on , updated on

Professor of Physics
University of Lille

Contact :
- P5bis building - Office 163
- Tel: +33(0)320 33 64 50

Research themes

- Dynamics of biological systems
- Characterization of chaotic systems by topological methods
- Instability and pattern formation.

Current projects
- Coupling between the mammalian circadian clock (with Bart Staels and Hélène Duez at Institut Pasteur de Lille, France)
- Study of the design principles of genetic oscillators and genetic clocks by evolutionary alogorithms (with Enrico Carlon at Institute for Theoretical Physics of KU Leuven)
- Robustness and flexibility of the circadian clock of the microscopic alga Ostreococus tauri (with François-Yves Bouget at Observatoire Océanologique de Banyuls, France)
- characterization of deterministic chaos (with Robert Gilmore at Drexel University, Philadelphia, and Roberto Barrio at the University of Zaragoza, Spain)

- Deputy director of PhLAM laboratory (2015-...)
- Coordinator for Physics of CEMPI excellence center (2012-...)
- Member of the Comité National de la Recherche Scientifique (CoNRS), panel 04 [atomic and molecular physics, optics and plasmas] (2012-...). The CoNRS is in charge of evaluating research fellows and units of CNRS, of recruting junior and senior researching and deciding their promotions.
- Permanent member of the organizing committee of the "Rencontre du Non-Linéaire", the main french-speaking conference of non linear dynamics (since 2004, chair of the organizing and scientific committees from 2005 to 2013)
- Permanent member of the organizing committee of the Experimental Chaos and Complexity Conference, one of the main international non linear dynamics conferences (2010-...)
- Member of the steering committee of the CNRS research network GDR 3070 "Physique de la Cellule au Tissu", in charge of the theme "Signaling and regulation" (2013-...)
- Member of the scientific committee of the interdisciplinary school in biology of Berder-Porquerolles (2011-...)

- Professor of Physics at University of Lille, PhLAM laboratory (2010-...).
- Research scientist at CNRS, LSH and PhLAM laboratories (1993-2010).
- Assistant Professor, LSH laboratory, University of Lille (1992-1993).
- Teaching assistant and PhD student, LSH laboratory, University of Lille (1988-1990,1991-1992).

- Robert Gilmore and Marc Lefranc, The Topology of Chaos: Alice in Stretch and Squeezeland, 2nd revised and augmented edition (Wiley-VCH, Mannheim, 2011).

  • M. Lefranc, "Entraining Oscillations in the NF-κB Signaling System: With a Little Help from Noise", Cell Systems 3, 507 (2016).
  • A. Woller, H. Duez, B. Staels & M. Lefranc, "A Mathematical Model of the Liver Circadian Clock Linking Feeding and Fasting Cycles to Clock Function", Cell Reports 17, 1087 (2016).
  • B. Lannoo, E. Carlon & M. Lefranc, "Heterodimer Autorepression Loop: A Robust and Flexible Pulse-Generating Genetic Module", Physical Review Letters 117, 018102 (2016).
  • Q. Thommen, B. Pfeuty, P. Schatt, A. Bijoux, F.-Y. Bouget and M. Lefranc, "Probing entrainment of Ostreococcus tauri circadian clock by green and blue light through a mathematical modeling approach", Frontiers in Genetics 6, 65 (2015).
  • R. Barrio, M. Lefranc, M.A. Martinez and S. Serrano, "Symbolic dynamical unfolding of spike-adding bifurcations in chaotic neuron models", EPL 109, 20002 (2015).

Full bibliography at ResearcherId

- Habilitation à diriger des recherches, "Instabilités et chaos déterministe : modélisation et caractérisation, en optique ou ailleurs" (2006).
- PhD thesis, "Caractérisation du chaos dans les lasers CO2" (1992).
- Ecole normale supérieure, Paris (1984-1988)