Reference : The influence of variables on pseudo-Boolean functions with applications to game theo...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Mathematics
Business & economic sciences : Quantitative methods in economics & management
http://hdl.handle.net/10993/1771
The influence of variables on pseudo-Boolean functions with applications to game theory and multicriteria decision making
English
Marichal, Jean-Luc mailto [University of Liège, Belgium > Department of Management (FEGSS)]
1-Dec-2000
Discrete Applied Mathematics
Elsevier Science
107
1-3
Boolean Functions
139-164
Yes (verified by ORBilu)
International
0166-218X
Amsterdam
The Netherlands
[en] pseudo-Boolean functions ; game theory ; power and interaction indices ; multicriteria decision making
[en] The power of players in a collective decision process is a central issue in game theory. For this reason, the concept of influence of players on a simple game has been introduced. More generally, the influence of variables on Boolean functions has been defined and studied. We extend this concept to pseudo-Boolean functions, thus making it possible to appraise the degree of influence of any coalition of players in cooperative games. In the case of monotone games, we also point out the links with the concept of interaction among players. Although they do not have the same meaning at all, both influence and interaction functions coincide on singletons with the so-called Banzhaf power index. We also define the influence of variables on continuous extensions of pseudo-Boolean functions. In particular, the Lovász extension, also called discrete Choquet integral, is used in multicriteria decision making problems as an aggregation operator. In such problems, the degree of influence of decision criteria on the aggregation process can then be quite relevant information. We give the explicit form of this influence for the Choquet integral and its classical particular cases.
Department of Management (FEGSS)
University of Liège, Belgium
Researchers ; Professionals ; Students
http://hdl.handle.net/10993/1771
10.1016/S0166-218X(00)00264-X

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