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Séminaire : Remarkable polyhedra related to set functions, games and capacities

Date
Vendredi 31 mars 2017
Débute à 11:00

Prix
gratuit

Contact
Marilyne Lavoie
Site Web

Lieu
4488
2920, chemin de la Tour
Montréal, QC Canada
H3T 1N8

514 343-6111
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Séminaire : Remarkable polyhedra related to set functions, games and capacities

Séminaire Fondation HEC conjoint avec la Chaire de théorie des jeux et gestion et le GERAD

Titre : Remarkable polyhedra related to set functions, games and capacities

Conférencier : Michel Grabisch – Université Paris 1, France

Set functions are widely used in many domains of Operations Research (cooperative game theory, decision under risk and uncertainty, combinatorial optimization) under different names (TU-game, capacity, nonadditive measure, pseudo-Boolean function, etc.). Remarkable families of set functions form polyhedra, e.g., the polytope of capacities, the polytope of p-additive capacities, the cone of supermodular games, etc. Also, the core of a set function, defined as the set of additive set functions dominating that set function, is a polyhedron which is of fundamental importance in game theory, decision making and combinatorial optimization. This survey paper gives an overview of these notions and studies all these polyhedra.

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