λ-T_0

Last-modified: 2011-12-27 (火) 20:30:12

Definition

  • A topological space (X, τ) is said to be λ-T_0 if for x, y ∈ X such that imgtex.fcgi?%5bres=100%5d%7b%5c%5b%20x%5cneq%20y%20%5c%5d%7d%25.png there exists an λ-open set containing x but not y or a λ-open set containing y but not x .

Property

Reference

  • Caldas Miguel, Jafari Saeid, Navalagi Govindappa, More on λ-closed sets in topological spaces.,Rev. Colombiana Mat. 41 (2007), no. 2, 355-369.