Upper and Lower δij-Continuous Multifunctions

In this paper we introduce and study the notions of upper and lower δ<sub>ij</sub>-continuous multifunctions. Several characterizations and properties concerning upper and lower δ<sub>ij</sub>-continuous mul...

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Main Authors: Arafa Nasef, Abd-el Ftah. Abd Alla. Azzam, Nada Seyam
Format: Article
Language:English
Published: Naim Çağman 2018-02-01
Series:Journal of New Theory
Subjects:
Online Access:https://dergipark.org.tr/en/download/article-file/433801
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author Arafa Nasef
Abd-el Ftah. Abd Alla. Azzam
Nada Seyam
author_facet Arafa Nasef
Abd-el Ftah. Abd Alla. Azzam
Nada Seyam
author_sort Arafa Nasef
collection DOAJ
description In this paper we introduce and study the notions of upper and lower δ<sub>ij</sub>-continuous multifunctions. Several characterizations and properties concerning upper and lower δ<sub>ij</sub>-continuous multifunctions and other known forms of multifunctions introduced previously are investigated.
format Article
id doaj-art-af37a08a2b7b41f294bd42a9e05e4c35
institution OA Journals
issn 2149-1402
language English
publishDate 2018-02-01
publisher Naim Çağman
record_format Article
series Journal of New Theory
spelling doaj-art-af37a08a2b7b41f294bd42a9e05e4c352025-08-20T02:15:46ZengNaim ÇağmanJournal of New Theory2149-14022018-02-012149582425Upper and Lower δij-Continuous MultifunctionsArafa NasefAbd-el Ftah. Abd Alla. AzzamNada SeyamIn this paper we introduce and study the notions of upper and lower δ<sub>ij</sub>-continuous multifunctions. Several characterizations and properties concerning upper and lower δ<sub>ij</sub>-continuous multifunctions and other known forms of multifunctions introduced previously are investigated.https://dergipark.org.tr/en/download/article-file/433801upper(lower)±ij-continuous multifunction
spellingShingle Arafa Nasef
Abd-el Ftah. Abd Alla. Azzam
Nada Seyam
Upper and Lower δij-Continuous Multifunctions
Journal of New Theory
upper(lower)±ij-continuous multifunction
title Upper and Lower δij-Continuous Multifunctions
title_full Upper and Lower δij-Continuous Multifunctions
title_fullStr Upper and Lower δij-Continuous Multifunctions
title_full_unstemmed Upper and Lower δij-Continuous Multifunctions
title_short Upper and Lower δij-Continuous Multifunctions
title_sort upper and lower delta ij continuous multifunctions
topic upper(lower)±ij-continuous multifunction
url https://dergipark.org.tr/en/download/article-file/433801
work_keys_str_mv AT arafanasef upperandlowerdeltaijcontinuousmultifunctions
AT abdelftahabdallaazzam upperandlowerdeltaijcontinuousmultifunctions
AT nadaseyam upperandlowerdeltaijcontinuousmultifunctions