Erratum to “More on λ-closed sets in topological spaces” Revista Colombiana de Matemáticas 41 (2007) 2 355-369
Errata sobre “Más sobre conjuntos λ-cerrados en espacios topológicos” Revista Colombiana de Matemáticas 41 (2007) 2 355-369
Mots-clés :
λ-closed, topological spaces (en)λ-cerrados, espacios topológicos (es)
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Since, from Lemma 2.1 of this article it follows that λCl (ꭓ) = Cl (ꭓ)∩K er (ꭓ) for all ꭓ ∊ X . Therefore ꭓ ∊ λCl ({ y } if and only if y ∊ λCl { ꭓ }). This means that every topological space is λ-Ro.
Références
Caldas, M., and Jafari, S. On some low separation axioms via A-open and A-closure operator. Rend. Cire. Mat. Di Palermo 54, 2 (2005), 195-208.
Caldas, M., Jafari, S., and Navalagi, G. More on λ-cIosed sets in topological spaces. Revista Colombiana de Mat 41, 2 (2007), 355-369.
Ganster, M., Jafari, S., and Steiner, M. Some observations on λ-closed sets. Submitted.