摘要
提出了变异S 粗集 ,给出单向变异S 粗集与双向变异S 粗集的数学结构 ;提出变异S 粗集与S 粗集的对偶性定理与变异 -对偶原理 .变异S 粗集是S
Variation S-rough sets were puts forward. The mathematical structure of one direction variation S-rough sets and two direction variation S-rough sets were given; forward dual theorems and principle of variation-dual of S-rough sets were also put forward. Variation S-rough sets is a new research direction of S-rough sets.
出处
《山东大学学报（理学版）》
CAS
CSCD
北大核心
2004年第5期52-57,共6页
Journal of Shandong University(Natural Science)
基金
国家自然科学基金资助项目 ( 70 2 710 48)
关键词
变异S-粗集
属性类
变异对偶性定理
变异-对偶原理
variation S-rough sets
attribution class
variation dual theorem
principle of variation-dual
