The purpose of this study is to introduce a new class of regular spaces called e* $\theta $-
regular spaces which is a generalization of the class of $\beta\theta $-regular spaces. Also …

In this study, we defined the concept of quasi e^*-θ-closed sets by means of e^*-θ-open sets.
Depending on this concept, we introduced approximately e^∗θ-open functions and …

The main purpose of this paper is to introduce and investigate a new class of open sets
called δe-open sets. For this aim, first we define and study the notion of e-regular open set …

The main aim of this paper is to introduce and study a new class of weakly open functions
called weakly e*-θ-open functions via e*-θ-open sets [13], which is a stronger concept than …

Regular and normal space concepts, which has an important role in the classification of
topological spaces, was introduced and studied respectively by Vietoris [4] and Tietze [3]. In …

Regular and normal space concepts, which has an important role in the classification of
topological spaces, was introduced and studied respectively by Vietoris [4] and Tietze [3]. In …

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