ROADEF 2020, Montpellier, Feb. 19-21, "Une méthode exacte pour le problème d'assortiment optimal avec modèle de choix nested-logit", with A. Hassanzadei, I. Ljubic.
EURO 2019, Dublin, June 24-26 "Robust optimization for non-linear impact of data variation", with J.C. Espinoza-Garcia.
ROADEF 2019, Le Havre, Feb., "Optimal design of diversified package tours for digital travel", with Y. Zhao
GOL 2018, Le Havre, "Tighter MIP formulations for the Barge Container Ship Routing Problem", with T. Davidovic, F. Furini, I. Ljubic, V. Maras, S. Martin
ROADEF 2018, Lorient, Feb., "Optimisation robuste pour la localisation de nouveaux logements avec modèle de choix", with J.C. Espinoza-Garcia
IFORS 2017, Quebec, July 16-19 "Tighter MIP formulations for the Barge Container Ship Routing Problem with Empty Container Repositioning", with T. Damjanovic, F. Furini, I. Ljubic, V. Maras,, S. Martin
ROADEF 2017, Feb. 22-24, Metz, "New MIP models for Liner Shipping Route Design with Empty Container Repositioning", with F. Furini, I. Ljubic, S. Martin.
ROADEF 2016, Compiègne, "Robust optimization of healthcare network design under reference pricing ", with V. Denoyel and A. Thiele.
EURO 2015, Glasgow, "Robust in-network selection of hospitals by healthcare insurers under Reference pricing", with V. Denoyel and A. Thiele
ROADEF 2015, Marseille, " Localisation de hubs avec fonction de coût discrète", with M. Keshvari-Fard.
9th International Conference on City Logistics, Tenerife, June 2015. "A Branch & Price algorithm for the Multicommodity-Ring Vehicle Routing Problem", with P. Gianessi, L. Létocart, R. Wolfler Calvo.
ODYSSEUS 2015, Ajaccio, May 2015, "A Column Generation based Heuristic for the Multicommodity-Ring Vehicle Routing Problem" with P. Gianessi, L. Létocart, R. Wolfler Calvo, , 6th International WorkshFop on Freight Transportation and Logistics.
IFORS 2014, Barcelona, July 2014; MOPTA Bethléem, August 2014; Health Systems Optimization Workshop, Chicago, september 2014: "Optimal facility in-network selection of healthcare payers under Reference Pricing, with V. Denoyel and A. Thiele.
INFORMS 2014, San Francisco, Nov 9-12, 2014 "Robust facility location optimization with location-dependend demands", with JC Espinoza
IFORS 2014, Barcelona, 14-18 July 2014 : "Branch-and-Price-and-Cut for Sustainable Crop Rotation Planning", with A. Plateau and X. Schepler.
ROADEF 2014, Bordeaux, "Branch-and-Price-and-Cut for Large Sustainable Crop Planning", with X. Schepler and A. Plateau.
EURO 2013, Rome, 1-4 July 2013 : "Hybrid column generation for large-size Covering Integer Programs", with J. Sadki, A. Plateau and A. Nagih.
EURO 2013, Rome 1-4 July 2013 : "Branch-and-Price-and-Cut for large Sustainable Crop Rotation Planning", with A. Plateau and X. Schepler.
ECCO 2013, Paris. "Hybrid column generation for large-size Covering Integer Programs", with J. Sadki, A. Plateau and A. Nagih.
ROADEF 2013, Troyes, "Un algorithme de Branch-and-Price pour un problème de planification durable de rotations culturales", with X. Schepler and A. Plateau
ROADEF 2013, Troyes, " Approximation du problème de Clustered Set Covetring", with J. Monnot
EURO XXV 2012, Vilnius. "Combining VNS, Simulated Annealing, and a Greedy Heuristic for the ROADEF/EURO 2012 Challenge". with F. Butelle, C. Coti, L. Finta, G. Plateau, A. Rozenknop and F. Roupin.
ODYSSEUS 2012, Mykonos. "Solving network design and routing problems for urban freight distribution", with P. Gianessi, L. Létocart, R. Wolfler-Calwo.
ISCO 2012, Athens, April 19-21, 2012 : "Generalizations of Dobson approximation heuristic for Covering Integer Programs and cooperation with Column Generation", with A. Nagih, A. Plateau, J. Sadki
ROADEF 2012, Angers, "Planification et routage pour l'optimisation de la distribution urbaine de marchandises", with P. Gianessi, L. Letocart, R. Wolfler-Calvo.
MIC 2011, Udine. "Hybridization of Column Generation and Approximation Heuristic for large-size Covering Integer Programs", with J. Fenzar-Sadki, A. Nagih and A. Plateau.
EURO XXIV, Lisbon, July 2010 : "A column generation approach for scheduling nuclear power plants refueling" with R. Wolfler-Calvo, A. Rozenknop, D. Chemla, L. Létocart, G. Turri
CIRO, Marrakech, May 2010: "Hybridization of column generation and greedy schemes for transportation planning problems" with J. Sadki, A. Plateau, A. Nagih
ISCO 2010, Hammamet : "Approximation of the Clustered Set Covering Problem" with J. Monnot
ISMP 2009, Chicago, August 24-28, 2009 : "A hybrid approach combining column generation and approximation heuristics for large-scale Covering Integer Programs", with J. Sadki, A. Plateau and A.Nagih
IFORS 2008, Johannesburg, July 13-18, 2008 : "Approximation of generic locomotive assignment problems" J. Sadki, A. Plateau, A. Nagih
ROADEF 2008, Clermont-Ferrand, february 25-27, "Approximation du problème générique d'affectation de locomotives" with J. Sadki, A. Plateau and A. Nagih.
ROADEF 2008 " Modèles linéaires et quadratiques pour le problème du voyageur de commerce assymétrique" with L. Létocart and S. Borne.
NCP 07, Rouen, 2007 : "Linear and quadratic formulations of the asymmetric Traveling Salesman Problem", with L. Létocart, S. Borne
EURO XXII, Prague, July 8-11, 2007: "A greedy approximation algorithm for the soft-capacitated facility location problem"
6th CTW Workshops on Graphs & Combinatorial Optimization, Enschede, Nederlands, May 29-31, 2007: "Edge cover by bipartite subgraphs" with M.C. Plateau and L. Liberti
EURO XXI, Reykjavik, July 3-6, 2006: "A MIP flow model for crop rotation planning in a sustainable development context", with J.L. Lemalade, A. Nagih and G. Plateau
ROADEF 2006, Lille, february 6-8 2006, "Un modèle de planification des rotations culturales dans un contexte de lutte contre la déforestation à Madagascar" with J.L. Lemalade, A. Nagih and G. Plateau
ROADEF 2005, Tours, february 2005, "Une approche de modélisation générique pour la gestion des locomotives frêt à la SNCF", N. Marcos, D. de Almeida, D. Gauyacq, A. Nagih, G. Plateau
EURO XX, Rhodos, July 4-7, 2004: "Boolean inverse optimization problems", with M. Demange and J. Monnot
ROADEF 2003, Avignon, 26-28 fev 2003, "Modeles de localisation pour l'Aide Multicritere a la Decision"
CO'02 (12th Intl Symp. on Combinatorial Opt.), Paris, Apr. 8-10, 2002: "A path-relinking metaheuristic for the Generalized Assignment Problem", with A. Plateau and P. Tolla.
MIC 2001 (Metaheuristics Intl Conf.), Porto, Jul. 16-20, 2001: "A two-phase path-relinking algorithm for the Generalized Assignment Problem", with A. Plateau and P. Tolla.
FRANCORO II (2è Journées Francophones de RO), Sousse, 6-8 avr. 2000 : "Une approche heuristique pour des problèmes d'affectation de personnel appliqués au transport ferroviaire", with S. Gabteni.
CLAIO X (10th Latin-Ibero-American Conf. on Op. Res. and Syst.), Mexico, Sept. 4-8, 2000: "Logical Definability of Covering and Partitioning Minimization Problems."
lROADEF II, Autrans, 12-15 jan 1999, "Une heuristique avec garantie de performance pour le problème d'arbre recouvrant euclidien de diamètre 4."
ISCIS XIII (Intl Symp. on Comp. and Inf. Sc.), Antalya, Oct. 26-28, 1998: "On the Approximation of Some Spanning-Arborescence Problems", with V. Paschos.
ROADEF I, Paris, 14-16 jan 1998, "Le problème de la forêt minimum de diamètre k."
MODE 5(Math. de l'Opt. et de la Déc.), Paris, 19-21 mar 1997, "Approximation du problème de l'arbre recouvrant de poids minimum de profondeur 2."
EURO XV/ INFORMS XXXIV, Barcelona, Jul 13-16, 1997: "Approximating the Minimum Weight Rooted Spanning Tree with Radius Less Than Two."
Organization of events
Organization of an event for practitionners and managers: “La Recherche Opérationnelle: clé de la performance des entreprises?” at University Paris-Dauphine, April 2013. 200 managers and practionners attended, round-table with Air France, Amadeus, Bouygues Télécom
Organization of the French OR contest : "Les Pros de la RO", nov. 2015 (finalists : Gefco-Eurodecision, Amadeus, Decision Brain, Orange)
Consulting activities & industrial contracts : SNCF, Essec BS, Babcok-Wanson, Aid-Impact...