δ(δg)* - Sets and Functions in Topological Spaces
This study introduced the notion of delta(delta g)star set and functions in topological spaces (briefly TS). This proves that in TS, the delta-closure of a set is smaller than its delta(delta g)star- closure while the delta-interior is generally larger than its delta(delta g)star- interior. In addition, in the same space the delta(delta g)star-continuous functions, absolute-delta(delta g)star- continuous functions and rs -delta(delta g)star - continuous functions are introduced and investigated. Characterization and properties of these functions are also determined.
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