THE LOWER AND UPPER APPROXIMATIONS IN A FUZZY GROUP

Authors
KUROKI N WANG PP
Citation
N. Kuroki et Pp. Wang, THE LOWER AND UPPER APPROXIMATIONS IN A FUZZY GROUP, Information sciences, 90(1-4), 1996, pp. 203-220
Citations number
7
Categorie Soggetti
Information Science & Library Science","Computer Science Information Systems
Journal title
Information sciences → ACNP
ISSN journal
00200255
Volume
90
Issue
1-4
Year of publication
1996
Pages
203 - 220
Database
ISI
SICI code
0020-0255(1996)90:1-4<203:TLAUAI>2.0.ZU;2-T
Abstract
In this paper, we shall introduce the notion of a rough subgroup with respect to a normal subgroup of a group, and give some properties of t he lower and the upper approximations in a group. Also, we will discus s a rough subgroup with respect to a t-level subset of a fuzzy normal subgroup.