-compact spaces via 
-open sets![Sample our Mathematics & Statistics journals, sign in here to start your FREE access for 14 days]({"type":"image" , "src" : "/sda/5943/TOC-Subject-Sample-2021-Mathematics-Statistics.jpg"})
In this article, we presented the concepts of -compact, 
b -compact, 
pre -compact, 
a -compact and 
-compact) spaces by using 
-open sets in 
-space 
and study their properties in detail. The relationship between these concepts has also been studied with certain conditions and discuss some of the results about it.
Subject Classification:
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a -compact spaces
b -compact spaces
pre -open se