Last-modified: 2011-08-21 (日) 11:51:24
- A subset A of topological space (X,τ) is called generalized closed (in short g-closed) if cl(A) ⊂ U whenever A ⊂ U and U is open in X.
- 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.