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Journals / Journal of New Theory / 2018 / Sayı: 21

Upper and Lower &delta;<sub>ij</sub>-Continuous Multifunctions

Arafa NASEF, Abd-el Ftah. Abd Alla. AZZAM, Nada SEYAM

Pages
49–58
DOI
—

Abstract

In this paper we introduce and study the notions of upper and lower &delta;<sub>ij</sub>-continuous multifunctions. Several characterizations and properties concerning upper and lower &delta;<sub>ij</sub>-continuous multifunctions and other known forms of multifunctions introduced previously are investigated.