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Fuzzy preference orderings in group decision making. (English) Zbl 0567.90002
An $$n\times n$$ matrix $$R=[r_{ij}]$$ with $$0\leq r_{ij}\leq 1$$ and satisfying additional conditions determines various types of fuzzy preference orderings on a set of alternatives $$(x_ 1,...,x_ n)$$. $$r_{ij}$$ represents the degree of preference of the alternative $$x_ i$$ to the alternative $$x_ j$$. From individual fuzzy preference orderings $$R^ p$$ $$(p=1,...,m)$$ a group preference ordering R can be constructed. Several constructions are given in order that the final group ordering R shall again be fuzzy. The group matrix R can be used as data for the extended contributive rule method developed by the author and his collaborators.
Reviewer: J.Sustal

##### MSC:
 91B08 Individual preferences 03E72 Theory of fuzzy sets, etc. 91B16 Utility theory
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##### References:
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