On generalized -closed sets.
Characterizations of strongly compact spaces.
Weak and strong forms of -continuous functions.
Contra--continuous and almost contra--continuous.
Regular generalized -closed sets.
Characterizations of -Lindelöf spaces
A topological space is said to be -Lindelöf [1] if every cover of by cozero sets of admits a countable subcover. In this paper, we obtain new characterizations and preservation theorems of -Lindelöf spaces.
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