Personal profile


Anne-Sophie Libert is an Associate Professor at the Department of Mathematics since September 2014. She is also director of the Namur Institute for Complex Systems (naXys) since 2017 and board member of the Technological Platform for High Performance Computing (PTCI) since 2015.


As an FNRS (Belgian National Fund for Scientific Research) Research Fellow, she got her PhD thesis in applied mathematics at UNamur in 2007. After a postdoctoral stay at the University of Thessaloniki in 2008, she obtained a 4-year F.R.S.-FNRS Postdoctoral Research Fellowship at UNamur, during which she spent a one-year research stay at the University of Lille (Institut de Mécanique Céleste et de Calcul des Ephémérides, 2012). In 2013, she was consecutively researcher for the 'Dysco' IAP and the F.R.S.-FNRS 'ExtraOrDynHa' PDR at naXys, showing her interest for a multidisciplinary research in applied mathematics. Her main research topic is the formation and evolution of extrasolar systems, with a particular focus on the question of life in these systems (exobiology).   

Areas of expertise

  • Dynamical evolution, formation and habitability of extrasolar systems (celestial mechanics, Lagrangian/Hamiltonian theory, resonance, n-body problem)
  • Dynamical systems and chaos (differential equations, chaos indicator, frequency analysis)
  • Large graphs and networks (centrality measures, community detection, link prediction, PageRank, social networks)

External responsibilities

  • Member of the International Astronomical Union (IAU), since 2012.
  • Member of the Collège des Alumni (Classe des Sciences) of the Royal Academy of Belgium,  since 2016.
  • Member of the BNEC (Belgian National ESO Committee), 2016-2020.
  • Invited Professor at the "Collège Belgique" in 2011 and 2014 (Royal Academy of Belgium).
  • Associated scientist to selected CHEOPS space mission (ESA) and PLATO space mission (ESA)


  • PhD in Sciences (FUNDP, 2007)
  • Master in Applied Mathematics (The Highest Honour, FUNDP, 2004)


  • Prize Agathon de Potter - Astronomy of the Royal Academy of Belgium (32nd triennial period, 2012-2014)
  • 2008 FNRS Post-doctoral Research Fellowship
  • 2004 FNRS Research Fellowship (PhD)

Education/Academic qualification

Doctor of Science, University of Namur

Fingerprint Fingerprint is based on mining the text of the person's scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

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Projects 2000 2019

Research Output 2004 2018

Highly inclined and eccentric massive planets: II. Planet-planet interactions during the disc phase

Sotiriadis, S., Libert, A. S., Bitsch, B. & Crida, A. 1 Feb 2017 In : Astronomy and Astrophysics. 598, A70

Research output: Contribution to journalArticle


The language of exoplanet ranking metrics needs to change

Tasker, E., Tan, J., Heng, K., Kane, S. R., Spiegel, D., Brasser, R., Casey, A., Desch, S., Dorn, C., Hernlund, J., Houser, C., Laneuville, M., Lasbleis, M., Libert, A-S., Noack, L., Unterborn, C. & Wicks, J. 2017 In : Nature Astronomy. 1, p. 42

Research output: Contribution to journalArticle

Earth (planet)

Habitability of planets on eccentric orbits: Limits of the mean flux approximation

Bolmont, E., Libert, A. S., Leconte, J. & Selsis, F. 1 Jul 2016 In : Astronomy and Astrophysics. 591, A106

Research output: Contribution to journalArticle

Open Access
eccentric orbits
planetary systems

Kozai resonance in extrasolar systems

Libert, A-S. & Tsiganis, K. 1 Jan 2009 In : Astronomy and Astrophysics. 493, 2, p. 677-686 10 p.

Research output: Contribution to journalArticle

Open Access
frequency analysis

Activities 2004 2018


Dynamique séculaire du problème des trois corps appliqué aux systèmes extrasolaires

Author: Libert, A., 24 Oct 2007

Supervisor: Henrard, J. (Supervisor), Lemaitre, A. (Co-Supervisor), Carletti, T. (Jury), Giorgilli, A. (Jury) & Laskar, J. (Jury)

Student thesis: Doc typesDoctor of Sciences


Formation of non-coplanar planetary systems

Author: Sotiriadis, S., 25 Oct 2017

Supervisor: Carletti, T. (President), Libert, A. (Supervisor), Lemaitre, A. (Co-Supervisor), Dehant, V. (Jury), Morbidelli, A. (Jury) & Tsiganis, K. (Jury)

Student thesis: Doc typesDoctor of Sciences


Développement d'un intégrateur symplectique pour les systèmes binaires. Application à la formation des systèmes de planètes géantes.

Author: Roisin, A., 22 Jun 2017

Supervisor: Libert, A. (Supervisor), Fuzfa, A. (Jury), Lemaitre, A. (Jury) & Mauroy, A. (Jury)

Student thesis: Master typesMaster of Mathematical sciences


Dynamique séculaire du problème des trois corps : excentricités faibles et moyennes et inclinaisons nulles

Author: Libert, A., 2004

Supervisor: Henrard, J. (Supervisor), Jancart, S. (Jury) & Lemaitre, A. (Jury)

Student thesis: Master typesMaster of Mathematical sciences

Etude de différents formalismes mathématiques en géométrie symplectique et conception d'un enseignement

Author: Mal, E., 27 Jun 2016

Supervisor: Libert, A. (Supervisor), Carletti, T. (Jury), Winkin, J. (Jury) & Henry, V. (Jury)

Student thesis: Master typesMaster of Mathematical sciences