On upper and lower α-continuous fuzzy multifunctions

被引：7
|
作者：
Hebeshi, M. A. [1 ]
Taha, I. M. [1 ]
机构：
[1] Sohag Univ, Fac Sci, Dept Math, Sohag, Egypt
来源：
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS | 2015年 / 28卷 / 06期
关键词：
L-fuzzy topology; fuzzy multifunction; graph multifunction; upper and lower alpha-continuous; almost alpha-continuous; weakly alpha-continuous; composition; union; compactness; TOPOLOGICAL-SPACES; MULTIVALUED MAPPINGS; SETS;
D O I：
10.3233/IFS-151533
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
In this paper, we introduced the concepts of fuzzy upper and fuzzy lower alpha-continuous, almost alpha-continuous and weakly alpha-continuous multifunctions. Several characterizations and properties of these multifunctions along with their mutual relationships are established in L-fuzzy topological spaces. Later, composition and union between these multifunctions have been studied.
引用
收藏
页码：2537 / 2546
页数：10
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