This paper presents new classes of open and closed functions defined between bitopological spaces, called weakly (₁, ₂) b-open functions and weakly (₁, ₂) b-closed functions. Moreover, several characterizations and some properties concerning weakly (₁, ₂) b-open functions and weakly (₁, ₂) b-closed functions are established.
Chutiman et al. (Fri,) studied this question.
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