γ-open

Last-modified: 2010-08-22 (日) 00:43:27

Definition

A subset A in a topological space is called γ-open if imgtex.fcgi?%5bres=100%5d%7b$A%5csubset%20%5cmathrm%7bcl%7d%28%5cmathrm%7bint%7d%28A%29%29%5ccup%20%5cmathrm%7bint%7d%28%5cmathrm%7bcl%7d%28A%29%29$%7d%25.png .

Remark

  • It is also called b-open or sp-open?.

Reference

E. Ekici and M. Caldas, Slightly γ-Continuous Functions, Bol. Soc. Paran. Mat. (3s.) Vol.22-2 (2004), pp.63-74.