DocumentCode
499076
Title
Comment on “The lower and upper approximations in a fuzzy group”
Author
Wang, Chang-zhong ; Du, Wenju ; Chen, De-gang
Author_Institution
Dept. of Math., Bohai Univ., Jinzhou, China
Volume
1
fYear
2009
fDate
12-15 July 2009
Firstpage
602
Lastpage
605
Abstract
In this paper, we first point out that there are still some incomplete theorems in although some authors have showed several incorrect statements in the literature. We then present the improved versions of the incomplete propositions.
Keywords
approximation theory; group theory; rough set theory; fuzzy group; incomplete propositions; lower approximations; rough set theory; upper approximations; Cybernetics; Data mining; Fuzzy logic; Fuzzy sets; Information systems; Machine learning; Mathematics; Physics; Rough sets; Set theory; Group; Normal subgroup; Rough approximation; Rough set;
fLanguage
English
Publisher
ieee
Conference_Titel
Machine Learning and Cybernetics, 2009 International Conference on
Conference_Location
Baoding
Print_ISBN
978-1-4244-3702-3
Electronic_ISBN
978-1-4244-3703-0
Type
conf
DOI
10.1109/ICMLC.2009.5212579
Filename
5212579
Link To Document