Convexity of hesitant fuzzy sets

被引:2
|
作者
Janis, Vladimir [1 ]
Montes, Susana [2 ]
Rencova, Magdalena [1 ]
机构
[1] Matej Bel Univ, Fac Nat Sci, Dept Math, Banska Bystrica, Slovakia
[2] Univ Oviedo, Dept Stat & Operat Res, Oviedo, Spain
关键词
Fuzzy sets; hesitant fuzzy sets; convexity; rough sets; GROUP DECISION-MAKING; AGGREGATION OPERATORS; INFORMATION;
D O I
10.3233/JIFS-162204
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
We show that a definition of convexity based on the convexity of the score function does not guarantee preservation of convexity under intersections and provide a concept of convexity for hesitant fuzzy sets without this backdraw. We study the relationship between convex hesitant fuzzy sets and convex rough sets as their cuts.
引用
收藏
页码:2099 / 2102
页数:4
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