Finding the nucleolus of any n-person cooperative game by a single linear program

In this paper we show a new method for calculating the nucleolus by solving a unique minimization linear program with O(4n) constraints whose coeffi- cients belong to {−1, 0, 1}. We discuss the need of having all these constraints and empirically prove that they can be reduced to O(kmax2 n), where k...

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Detalles Bibliográficos
Autores: Puerto Albandoz, Justo, Perea Rojas-Marcos, Federico
Tipo de recurso: artículo
Estado:Versión enviada para evaluación y publicación
Fecha de publicación:2013
País:España
Institución:Universidad de Sevilla (US)
Repositorio:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/43320
Acceso en línea:http://hdl.handle.net/11441/43320
https://doi.org/10.1016/j.cor.2013.03.011
Access Level:acceso abierto
Palabra clave:Cooperative games
Nucleolus
Order median problem
Descripción
Sumario:In this paper we show a new method for calculating the nucleolus by solving a unique minimization linear program with O(4n) constraints whose coeffi- cients belong to {−1, 0, 1}. We discuss the need of having all these constraints and empirically prove that they can be reduced to O(kmax2 n), where kmax is a positive integer comparable with the number of players. A computational experience shows the applicability of our method over (pseudo)random transferable utility cooperative games with up to 18 players.