The connectedness of the non-empty closed subsets hyperspace with locally finite topology is discussed and a cardinal function called discrete degree is introduced.

讨论了赋予局部有限拓扑的非空闭子集超空间的连通性，还引入了一个对讨论局部有限超拓扑有用的基数函数，称为离散度。

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A barycenter model of group decision making on resource allocation is constructed in this paper using groups loss function based on the additive kind of group cardinal utility function.

根据群体基数效用函数的加和性，用距离表示群体的损失函数，建立了资源分配群体决策的重心模型。

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A barycenter model of group decision making on resource allocation is constructed in this paper using group's loss function based on the additive form of group cardinal utility function.

根据群体基数效用函数的加和性，用距离表示群体的损失函数，建立了资源分配群体决策的重心模型。

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There was a lack of controls for risk: "The risk function was a cardinal area of weakness, " and this was "a matter of design, not accident".

BBC: Carrying on banking