γ-β generalized closed

Definition

• A subset A of a topological space (X,τ) with an operation γ on τ is called a γ-β generalized closed set (γ-βg closed, for short) if γ-βcl(A) ⊂ U whenever A ⊂ U and U is a γ-β-open set in X.

Reference

• Basu, C. K.; Afsan, B. M. Uzzal; Ghosh, M. K., A class of functions and separation axioms with respect to an operation. (English summary), Hacet. J. Math. Stat. 38 (2009), no. 2, 103-118.