semi-D_0

Last-modified: 2010-11-28 (日) 18:11:40

Definition

  • A topological space (X,τ) is called semi-D_0 if for imgtex.fcgi?%5bres=100%5d%7b%5c%5b%20x%2cy%5cin%20X%2c%5c%20x%5cneq%20y%20%5c%5d%7d%25.png , there exists a sD-set of X containing one of x and y but not the other.

Reference

  • Athisaya Ponmani, S.; Lellis Thivagar, M., Another form of separation axioms. , (English) [J] Methods Funct. Anal. Topol. 13, No. 4, 380-385 (2007).