Workshop OSGAD in honor of Michel Grabisch
« Ordered Structures in Games and Decision »
📅 october 20 – 22, 2025
📍 Centre d’Économie de la Sorbonne
PROGRAM
Monday october 20, 2025
14h30 – 14h40
Welcome
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
☕ Coffee break
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
Tuesday october 21, 2025
9h00 – 9h20
☕ Welcome coffee
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
☕ Coffee break
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
🍴 lunch (2nd floor)
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
☕ Coffee break
15h50 – 16h30
Katarzyna Sznajd-Weron (Wroclaw University of Science and Technology, Pologne)
Toward understanding of social hysteresis: Insights from agent-based modeling
16h30 – 18h00
🎵 Musical session (Jean-Marc Bonnisseau – piano, Franz Dietrich – violoncelle, Michel Grabisch – piano, Thierry Marchant – baryton)
& Special session
19h30 – 22h30
🍽️ Workshop dinner (by invitation only)
Wednesday october 22, 2025
8h40 – 9h00
☕ Welcome coffee
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
☕ Coffee break
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
Closing
Workshop venue
Maison des Sciences Économiques – 6th floor
106–112, boulevard de l’Hôpital
75647 Paris
🚇 Metro : Campo-Formio (M5) or Place d’Italie (M5, M6, M7)
Organization & Registration
Organization of the 18th OSGAD Workshop
Antoine Mandel, René Rebero, Agnieszka Rusinowska
Registration for the OSGAD Workshop is now closed.
For any questions regarding the workshop, please contact Agnieszka Rusinowska.