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Keywords:
cozero set; $\omega $-open set; Lindelöf; $z$-Lindelöf
cozero set; $\omega $-open set; Lindelöf; $z$-Lindelöf
Summary:
A topological space $(X, \tau )$ is said to be $z$-Lindelöf [1] if every cover of $X$ by cozero sets of $(X,\tau )$ admits a countable subcover. In this paper, we obtain new characterizations and preservation theorems of $z$-Lindelöf spaces.
References:
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