Nondecomposable conjoint measurement for bisymmetric structures |
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Authors: | Peter C Fishburn |
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Affiliation: | The Pennsylvania State University, University Park, Pennsylvania 16802 USA |
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Abstract: | This paper discusses two “nondecomposable” conjoint measurement representations for an asymmetric binary relation ? on a product set A × X, namely (a, x) ? (b, y) iff f1(a) + g1(a)g2(x) > f1(b) + g1(b)g2(y), and (a, x) ? (b, y) iff f1(a) + f2(x) + g1(a)g2(x) > f1(b) + f2(y) + g1(b)g2(y). Difficulties in developing axioms for ? on A × X which imply these representations in a general formulation have led to their examination from the standpoint of bisymmetric structures based on applications of a binary operation to A × X. Depending on context, the binary operation may refer to concatenation, extensive or intensive averaging, gambles based on an uncertain chance event, or to some other interpretable process. Independence axioms which are necessary and sufficient for the special representations within the context of bisymmetric structures are presented. |
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