Article ID Journal Published Year Pages File Type
973166 Mathematical Social Sciences 2016 10 Pages PDF
Abstract

•We discuss the problem of characterizing all the topological spaces such that every closed and respectively semi-closed preorder admits a continuous multi-utility representation.•We prove three different results concerning the existence of a continuous multi-utility representation for a preorder on a metrizable space.•A very general restrictive result is obtained by negating the existence of weakly inaccessible cardinal numbers.•We show that in a Hausdorff space a closed preorder admits a continuous multi-utility representation if and only if it is normal.

On the basis of the classical continuous multi-utility representation theorem of Levin on locally compact and σσ-compact Hausdorff spaces, we present necessary and sufficient conditions on a topological space (X,t)(X,t) under which every semi-closed and closed preorder respectively admits a continuous multi-utility representation. This discussion provides the fundaments of a mainly topological theory that systematically combines topological and order theoretic aspects of the continuous multi-utility representation problem.

Related Topics
Physical Sciences and Engineering Mathematics Applied Mathematics
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