[PDF][PDF] Separation axioms via novel operators in the frame of topological spaces and applications

MH Alqahtani, AM Abd El-latif - AIMS Mathematics, 2024 - aimspress.com
In this work, we introduce a very wide category of open sets in topological spaces, called ℵ-
open sets. We study the category of ℵ-open sets that contains β-open sets in addition to β∗ …