Workshop OSGAD en l’honneur de Michel Grabisch
« Ordered Structures in Games and Decision »
📅 20 – 22 octobre 2025
📍 Centre d’Économie de la Sorbonne
PROGRAMME
Lundi 20 octobre 2025
14h30 – 14h40
Ouverture
14h40 – 15h20
Bernard Cornet (University of Kansas, USA & Université Paris 1 Panthéon-Sorbonne, France)
Pricing rules with market frictions: An axiomatic approach
15h20 – 16h00
Martin Loebl (Charles University, Prague, République tchèque)
Shapley meets Tutte
16h00 – 16h30
☕ Pause café
16h30 – 17h10
Patrice Perny (Sorbonne Université, France)
Learning additive decompositions of multiattribute utility functions
17h10 – 17h50
Christophe Labreuche (cortAlx-Labs France, Thales, France)
Hierarchical Choquet Integral: An explainable model for image processing
Mardi 21 octobre 2025
9h00 – 9h20
☕ Café d’accueil
9h20 – 10h00
Hervé Moulin (University of Glasgow, Royaume-Uni)
Fair Division with money and prices: Divide & Choose versus Bid & Sell
10h00 – 10h40
Stéphane Gonzalez (GATE Saint-Étienne, France)
Axiomatic characterizations of knapsack and greedy budget allocation rules
10h40 – 11h10
☕ Pause café
11h10 – 11h50
Miguel Couceiro (Universidade de Lisboa, Portugal)
Game-theoretic extensions of logistic regression ... and a few surprises!
11h50 – 12h30
Pedro Miranda (Universidad Complutense de Madrid, Espagne)
Random generation of bi-capacities based on Markov chains
12h30 – 14h00
🍴 Déjeuner (2ᵉ étage)
14h00 – 14h40
Agnès Rico (Université Claude Bernard Lyon 1, France)
Bipolar Sugeno integrals, if-then rules and preference orderings
14h40 – 15h20
Georges Zaccour (HEC Montréal, Canada)
Payment schemes for finitely repeated Prisoner's Dilemma games
15h20 – 15h50
☕ Pause café
15h50 – 16h30
Katarzyna Sznajd-Weron (Wroclaw University of Science and Technology, Pologne)
Toward understanding of social hysteresis: Insights from agent-based modeling
16h30 – 18h00
🎵 Session musicale (Jean-Marc Bonnisseau – piano, Franz Dietrich – violoncelle, Michel Grabisch – piano, Thierry Marchant – baryton)
& Session spéciale
19h30 – 22h30
🍽️ Dîner (sur invitation)
Mercredi 22 octobre 2025
8h40 – 9h00
☕ Café d’accueil
9h00 – 9h40
Thierry Marchant (Université de Gand, Belgique)
Axiomatic characterizations of dissimilarity orderings and distances between sets
9h40 – 10h20
Dylan Laplace Mermoud (ENSTA, Institut Polytechnique de Paris & CNAM, France)
An algebraic structure of social organizations: The operad of cooperative games
10h20 – 10h50
☕ Pause café
10h50 – 11h30
Michel Grabisch (Université Paris 1 Panthéon-Sorbonne, Paris School of Economics, France & Charles University, Prague, République tchèque)
Polynomial representation of TU-games
11h30 – 11h40
Clôture
Lieu du workshop
Maison des Sciences Économiques – 6ᵉ étage
106–112, boulevard de l’Hôpital
75647 Paris
🚇 Métro : Campo-Formio (M5) ou Place d’Italie (M5, M6, M7)
Organisation & Inscriptions
Organisation du 18ᵉ Atelier OSGAD :
Antoine Mandel, René Rebero, Agnieszka Rusinowska
Les inscriptions à l’atelier OSGAD sont désormais closes.
Pour toute question concernant l’atelier, veuillez contacter Agnieszka Rusinowska.