Upper and Lower δ ij -Continuous Multifunctions
Authors : Arafa Nasef, Abd-el Ftah. Abd Alla. Azzam, Nada Seyam
Pages : 49-58
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Publication Date : 2018-02-27
Article Type : Research
Abstract :In this paper we introduce and study the notions of upper and lower δij-continuous multifunctions. Several characterizations and properties concerning upper and lower δij-continuous multifunctions and other known forms of multifunctions introduced previously are investigated.Keywords : Upper(lower)±ij-continuous multifunction