Section: Dissemination

Promoting Scientific Activities

Scientific Events Organisation

General Chair, Scientific Chair

• Stéphane Gaubert is the coordinator of the Gaspard Monge Program for Optimization, Operations Research and their interactions with data sciences (PGMO), a corporate sponsorhip program, operated by Fondation Mathématique Jacques Hadamard, supported by Criteo, EDF, Orange and Thales, see http://www.fondation-hadamard.fr/fr/pgmo/.

Member of the Organizing Committees

• S. Gaubert co-organizes the “Séminaire Parisien d'Optimisation” at Institut Henri Poincaré. https://sites.google.com/site/spoihp/.

Scientific Events Selection

Chair of Conference Program Committees

• S. Gaubert, Chair of the PGMO days, EDF Labs Paris Saclay, Nov 20-21, 2018. http://www.fondation-hadamard.fr/fr/pgmo/pgmodays

• S. Gaubert, coorganizer, with A. Daniilidis and S. Tapia, of the workshop “Dynamical Aspects in Variational Analysis”, École polytechnique, Dec. 14th, 2018. http://www.cmap.polytechnique.fr/~gaubert/VariationalAnalysisWorkshop/index.html

Journal

Member of the Editorial Boards

• S. Gaubert is member of the editorial committee of the collection Mathématiques et Applications, SMAI and Springer.

• S. Gaubert is associate editor of Linear and Multilinear Algebra.

• S. Gaubert is associate editor of RAIRO Operations research.

Invited Talks

• M. Akian

  • Majorization inequalities for valuations of eigenvalues, Mittag-Leffler institute, February 2018.

• X. Allamigeon

  • Log-barrier interior point methods are not strongly polynomial, Workshop on Tropical Algebra and Applications, Mittag-Leffler Institute, Stockholm, Sweden, January 2018

  • Log-barrier interior point methods are not strongly polynomial, Workshop on Algebraic and geometric aspects of semidefinite programming at ISMP, Bordeaux, France, June 2018

  • Performance evaluation of an emergency call center: tropical polynomial systems applied to timed Petri nets, Workshop on Tropical Mathematics & Optimisation for Railways, Birmingham University, UK, June 2018

  • First steps in the formalization of convex polyhedra in Coq, International Conference on Mathematical Software, Notre-Dame University, USA, July 2018

• S. Gaubert

  • Nonarchimedean convex programming and its relation to mean payoff games, invited plenary talk at Highlights of Logic, Automata, and Games, Berlin, September 2018.

  • Condition numbers in nonarchimedean semidefinite programming and their relation with stochastic mean payoff games, Mittag-Leffler institute, February 2018.

  • Inequalities for the spectral radii and spectral norms of nonnegative tensors, ISMP, Bordeaux, Invited session, July 2018.

  • Nonarchimedean Degenerations of Convex Programming – In Which Tropical Geometry Shows That Log-Barrier Interior Point Methods Are Not Strongly Polynomial, Computational and Applied Mathematics Colloquium, The University of Chicago, May 2018.

Leadership within the Scientific Community

• -

  See Section 10.1.1.1 (coordination of PGMO).

Research Administration

• M. Akian :

  • Member of the “comité de liaison SMAI-MODE” since June 2015.

  • Member of the laboratory council of CMAP.

• S. Gaubert :

  • Chairman of the Gaspard Monge Program for Optimization, Operations Research and their interactions with data sciences (PGMO), see 10.1.1.1 for details.

  • Member of the scientific council of CMAP.

• X. Allamigeon:

  • Member of the scientific committee of Inria Saclay – Ile-de-France.

  • Member of the Applied Mathematics Department committee at Ecole Polytechnique.