Geodesic
Coalitional fuzzy preferences
Kybernetika, Tome 38 (2002) no. 3, pp. 339-352 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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The paper deals with the concept of coalitional preferences in the group decision-making situations in which the agents and coalitions have only vague idea about the comparative acceptability of particular outcomes. The coalitional games with vague utilities (see, e. g., [6]) can serve for a good example when some types of the game solutions (e. g., the von Neumann– Morgenstern one) are to be extended to the fuzzy game case. In this paper, we consider the fuzzy analogies of coalitional preferences and coalitional domination concepts known from the deterministic optimization models. These coalitional preferences are derived from the individual preferences of the coalition members. In the fuzzy extension of the model the input individual preferences are represented by fuzzy relations and, consequently, also the coalitional preferences have to be fuzzy. The general properties of these coalitional preferences are discussed in this contribution, and they are compared with the situation in the deterministic model. Finally, the case when the fuzziness of the individual preferences follows from fuzziness of the utility functions over the outcomes of the decision-making is mentioned and discussed.
The paper deals with the concept of coalitional preferences in the group decision-making situations in which the agents and coalitions have only vague idea about the comparative acceptability of particular outcomes. The coalitional games with vague utilities (see, e. g., [6]) can serve for a good example when some types of the game solutions (e. g., the von Neumann– Morgenstern one) are to be extended to the fuzzy game case. In this paper, we consider the fuzzy analogies of coalitional preferences and coalitional domination concepts known from the deterministic optimization models. These coalitional preferences are derived from the individual preferences of the coalition members. In the fuzzy extension of the model the input individual preferences are represented by fuzzy relations and, consequently, also the coalitional preferences have to be fuzzy. The general properties of these coalitional preferences are discussed in this contribution, and they are compared with the situation in the deterministic model. Finally, the case when the fuzziness of the individual preferences follows from fuzziness of the utility functions over the outcomes of the decision-making is mentioned and discussed.
Classification : 03E72, 91A12, 91A35, 91B06, 91B08, 91B10
Keywords: coalitional preferences; fuzzy game; optimization 
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     author = {Mare\v{s}, Milan},
     title = {Coalitional fuzzy preferences},
     journal = {Kybernetika},
     pages = {339--352},
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     number = {3},
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     zbl = {1265.91012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2002_38_3_a9/}
}
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Mareš, Milan. Coalitional fuzzy preferences. Kybernetika, Tome 38 (2002) no. 3, pp. 339-352. http://geodesic.mathdoc.fr/item/KYB_2002_38_3_a9/

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