International
Member of the Editorial Board of CGAL, Computational Geometry Algorithms Library, open source software project.
LORIA
Member of the implementation committee of the Mentoring action since 2023.
Member of Steering Committees
Webmaster of the Computational Geometry Web Pages (2007 - Feb 2021).
Editorial Boards of journals
Program committees of conferences
Organization of scientific events
Organization committee chair, ALGO'13, Sophia Antipolis, September 2-6, 2013.
Scientific organization
Structures on Surfaces,
with SoS partners, CIRM, Marseille, May 2-6, 2022.
Lost in Translation Surfaces,
with SoS partners, Luxembourg, January 29-31, 2020.
Astonishing workshop, with
Éric Colin de Verdière,
Jean-Marc Schlenker, and
Gert Vegter,
LORIA, Nancy, September 25-26, 2017.
Geometric Aspects of Materials Science,
part of the
Computational Geometry Week,
with Vanessa Robins
and Ileana Streinu,
Brisbane, Australia, July 4-5, 2017.
Celebrating Claude Puech's birthday,
with Claire Mathieu
and Frederik Mallmann-Trenn,
Paris, June 12, 2017
20 years of CGAL, with
Efi Fogel,
Michael Hoffmann, and
Emo Welzl,
Zurich, Switzerland, September 10-11, 2016
Workshop on Computational geometry in non-Euclidean spaces, with
Éric Colin de Verdière and
Jean-Marc Schlenker,
LORIA, Nancy, August 26-28, 2015.
Dagstuhl Seminar on Computational Geometry, with
Otfried Cheong and
Jeff Erickson,
Leibniz-Zentrum für Informatik, Germany, March 9-13, 2015.
Workshop
on Geometric Structures with Symmetry and Periodicity,
part of the
Computational Geometry Week,
with Ileana Streinu, Kyoto University, Japan, June 8-9, 2014.
Dagstuhl Seminar on Drawing Graphs and Maps with Curves, with
Stephen Kobourov and
Martin Nöllenburg,
Leibniz-Zentrum für Informatik, Germany, April 8-12, 2013.
Dagstuhl Seminar on Computational Geometry, with
Otfried Cheong and Kurt Mehlhorn,
Leibniz-Zentrum für Informatik, Germany, March 4-8, 2013.
Workshop on Geometric Computing,
with Olivier Devillers,
Menelaos Karavelas,
and Elias Tsigaridas,
Heraklion, Crete, Greece, January 21-25th, 2013. The website seem to
have disappeared. Please check the mirror site
(without slides).
Workshop
SIGMA'2012: Signal, Image, Geometry, Modelling, Approximation
(member of the scientific committee), Marseille, November 19-23, 2012.
Minisymposium on
publicly available geometric/topological software,
part of the
First Computational Geometry Week,
with Menelaos Karavelas, Chapel
Hill, USA, June 17&19, 2012.
Dagstuhl Seminar on Computational Geometry, with
Pankaj K. Agarwal and
Kurt Mehlhorn,
Leibniz-Zentrum für Informatik, Germany, March 13-18, 2011.
Workshop on Computational Geometry, with Olivier Devillers, INRIA Sophia Antipolis - Méditerranée, December 8-10, 2010.
Session on Exact numeric computation for algebraic and geometric computation
in the Third International Congress on Mathematical Software
with Chee Yap
and Michael Sagraloff,
Kobe University, Kobe, Japan, September 13-17, 2010.
Subdivide
and Tile: Triangulating spaces for understanding the world
(program),
with Gert Vegter
and Rien van de Weijgaert,
Lorentz Center, The Netherlands, 2009.
Dagstuhl Seminar on Computational Geometry, with
Pankaj K. Agarwal and
Helmut
Alt, Leibniz-Zentrum für Informatik, Germany, 2009.
CGAL Prospective Workshop on Geometric Computing in Periodic Spaces
with Andreas Fabri, 2008.
Workshop on Robust Shape Operations, 2007.
Workshop on Effective Computational Geometry for Curves and Surfaces,
with Jean-Daniel Boissonnat, 2004.
Workshop on Robustness and Efficiency Issues in Implementing Arrangements of Curves and Surfaces,
with Dan Halperin, 2002.
Prisme Seminar until fall 2000.
Journées de géométrie algorithmique,
with Bernard Lacolle, CIRM, 2000.
Journées de géométrie algorithmique, 1998.
France
Member of the Scientifc Council of the French Society for Computer Science (SIF) (end 2014 - end 2018).
Member of the selection committee of the Agrégation de Mathématiques,
2009-2011 (rapports :
2009,
2010,
2011).
Motion du jury 2010
- Démission de 30 membres du jury, 2012
- Formations des enseignants en crise
INRIA national
Elected member of the
Evaluation
Committee (Sept 2005- July 2014).
PES:
La recherche en danger
- Lettre sur la PES
- Pas duPES
- Sauvons la recherche
Member of the national committee evaluating the proposals
for Actions de Développement Technologique
(internal
site) (2010-2012).
Member of the working group for the BIL,
Base d'Information des Logiciels (database of INRIA software)
LORIA
Member of the
Conseil de Laboratoire
(May 2018 - Dec. 2023).
INRIA Nancy - Grand Est
Vice-head of the Gamble team (until June 2023).
Member of the coordination team for the "Tuto Technos" (2019 - June 2023).
In charge of the mission as scientific advisor for the technological development (2 years, 2019 - 2021).
Member of the
Bureau du comité des projets
of INRIA Nancy - Grand Est (Apr. 2016 - Nov. 2018).
Member of the Commission
de développement technologique (Commission for technologic development) (3 years, 2015-2017).
INRIA Sophia Antipolis
Member of the
Commission de développement technologique (Commission for technologic development) (2009-2014).
Member of the
Comité de suivi doctoral (Committee for doctoral monitoring) (2007-2009).
Member of the
COLOR
(Local Research Collaborations) committee (2006, 2007, 2009, 2010).
Member of the
Hygiene and Security Commission (2000-2007).
Elected member of the
Comité de Centre (Laboratory committee) (many years, until end
2004). Webmaster of this committee for a few years.