On rough set and fuzzy sublattice

被引：35

作者：

Estaji, Ali Akbar ^{[1
]}

Khodaii, Somayeh ^{[1
]}

Bahrami, Solmaz ^{[1
]}

机构：

[1] Sabzevar Tarbiat Moallem Univ, Dept Math, Sabzevar, Iran

来源：

INFORMATION SCIENCES | 2011年 / 181卷 / 18期

关键词：

Rough set; Upper and lower approximations; Lattice; Fuzzy sublattice; Fuzzy prime ideal; UPPER APPROXIMATIONS; IDEALS;

D O I：

10.1016/j.ins.2011.04.043

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Let L be a lattice with the least element 0 and the greatest element 1 and let theta be a full congruence relation on L. In this paper, the notion of theta-upper and theta-lower approximations of a fuzzy subset of L is introduced and some important properties will be studied. (C) 2011 Elsevier Inc. All rights reserved.

引用

页码：3981 / 3994

页数：14

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