Congruence indicators for fuzzy choice functions

被引：0
|
作者：
Irina Georgescu
机构：
[1] Academy of Economic Studies,Department of Economic Cybernetics
来源：
Social Choice and Welfare | 2008年 / 30卷
关键词：
Choice Function; Fuzzy Subset; Fuzzy Relation; Minimum Operator; Fuzzy Preference Relation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We introduce the congruence indicators WFCA(·) and SFCA(·) corresponding to fuzzy congruence axioms WFCA and SFCA. These indicators measure the degree to which a fuzzy choice function verifies the axioms WFCA and SFCA, respectively. The main result of the paper establishes for a given choice function the relationship between its congruence indicators and some rationality conditions. One obtains a fuzzy counterpart of the well-known Arrow–Sen theorem in crisp choice functions theory.
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页码：331 / 352
页数：21
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