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In this paper the notion of a-open set used as a tool to introduce certain types of covering properties which is similar to the familiar property of Hurewicz, and prove that we can use a-open sets instead of open sets in the definition of a-compact and a-Hurewicz space and investigated. Some properties and counter examples are given, also the relationship between these spaces was considered.
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Ghani et al. (2024) studied this question.
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