Upper and lower approximations of fuzzy sets

被引：128
作者：
Boixader, D
Jacas, J
Recasens, J
机构：
[1] ETSAV, Sec Matemat & Informat, Sant Cugat 08190, Spain
[2] ETSAB, Sec Matemat & Informat, Barcelona 08028, Spain
来源：
INTERNATIONAL JOURNAL OF GENERAL SYSTEMS | 2000年 / 29卷 / 04期
关键词：
indistinguishability operator; generator; observable set; upper approximation; lower approximation; rough set; closure operator; fuzzy topology;
D O I：
10.1080/03081070008960961
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The upper and lower approximations of a fuzzy subset with respect to an indistinguishability operator are studied. Their relations with fuzzy rough sets are also investigated.
引用
收藏
页码：555 / 568
页数：14
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