定义了模糊联盟合作对策的τ值,讨论了其有效性、个体合理性、对称性、哑元性等性质.利用整体有效性、策略等价下的共变性和限制成比例性证明了模糊联盟合作对策的τ值存在唯一性,讨论了其和模糊核心的关系.针对模糊联盟凸合作对策,推导出这类对策τ值的一般简化公式,并给出基于Choquet积分的模糊联盟凸合作对策τ值.研究结果发现,模糊联盟合作对策τ值具有分配合理性和公平性,而且是对清晰合作对策τ值的扩展.
In this paper, we define the τ-value for fuzzy cooperative games, and discuss their properties about efficiency, individual rationality, symmetry, dummy etc. Then axiomatic characterizations are found for the τ-value using efficiency, covariant under strategic equivalence and restricted proportionality propety. The relationships between the τ-value and the fuzzy core are discussed. Finally, we deduce the general simplified formula of τ-value for the fuzzy convex cooperative games, and give τ-value for the fuzzy cooperative games with Choquet integral. The result of research shows that τ-value for fuzzy cooperative games is characterized by the distribution principles of rationality and equality, and it is also the extension of τ-value for cooperative games.