ON FUZZY UPPER AND LOWER CONTRA-CONTINUOUS MULTIFUNCTIONS

نویسندگان
Roohi, M. ID 1
Alimohammady, Mohsen ID 2
Ekici, E. ID 3
Jafari, S. ID 4

1 Ghaemshahr branch Islamic Azad University, Ghaemshahr, Iran

2 Department of Mathematics, University of Mazandaran, Babolsar, Iran

3 Department of Mathematics, Canakkale Onsekiz Mart University, Terzioglu Campus, 17020 Canakkale, Turkey

4 College of Vestsjaelland South, Herrestraede 11, 4200 Slagelse, Denmark

doi
10.22111/ijfs.2011.293
چکیده

This paper is devoted to the concepts of fuzzy upper and fuzzy lower contra-continuous multifunctions and also some characterizations of them are considered.

کلیدواژه‌ها
Fuzzy topological space, Fuzzy multifunctions, Fuzzy lower contracontinuous multifunction, Fuzzy upper contra-continuous multifunction