“…A regular open sets if A= int cl(A) (for short, r-open) [8] where cl(A) and int(A) refer to the closure operator and the interior operator of the set A, respectively. The δ-interior [9] of a subset A of X is the union of all regular open sets of X contained in A and is denoted by δ-int (A) and the subset A is called δ-open [9] if A=δ-int(A). i.e., a set is δ-open if it is the union of regular open sets.…”
Section: Preliminaresmentioning
confidence: 99%
“…Definition 2.2: A subset A of a space X is said to be a. 1-regular b-closed (briefly r-b-closed) [9] if rcl (A) ⊂ U whenever A ⊂ U and U is b-open in X. 2-generalized closed set (briefly g-closed) [4] if cl(A) ⊆ U whenever A ⊆ U and U is open in (X ,τ).…”
The purpose this paper is to introduce gr-b-I- open sets, via thisconcept we study some weak separation axioms in ideal topologicalspaces. The implications of these axioms among themselves and with theknown axioms are investigated
“…A regular open sets if A= int cl(A) (for short, r-open) [8] where cl(A) and int(A) refer to the closure operator and the interior operator of the set A, respectively. The δ-interior [9] of a subset A of X is the union of all regular open sets of X contained in A and is denoted by δ-int (A) and the subset A is called δ-open [9] if A=δ-int(A). i.e., a set is δ-open if it is the union of regular open sets.…”
Section: Preliminaresmentioning
confidence: 99%
“…Definition 2.2: A subset A of a space X is said to be a. 1-regular b-closed (briefly r-b-closed) [9] if rcl (A) ⊂ U whenever A ⊂ U and U is b-open in X. 2-generalized closed set (briefly g-closed) [4] if cl(A) ⊆ U whenever A ⊆ U and U is open in (X ,τ).…”
The purpose this paper is to introduce gr-b-I- open sets, via thisconcept we study some weak separation axioms in ideal topologicalspaces. The implications of these axioms among themselves and with theknown axioms are investigated
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