Local cardinal functions of H-closed spaces
Commentationes Mathematicae Universitatis Carolinae, Tome 37 (1996) no. 2, pp. 371-374
Cet article a éte moissonné depuis la source Czech Digital Mathematics Library
The cardinal functions of pseudocharacter, closed pseudocharacter, and character are used to examine H-closed spaces and to contrast the differences between H-closed and minimal Hausdorff spaces. An H-closed space $X$ is produced with the properties that $|X|>2^{2^{\psi (X)}}$ and $\overline{\psi}(X)>2^{\psi(X)}$.
The cardinal functions of pseudocharacter, closed pseudocharacter, and character are used to examine H-closed spaces and to contrast the differences between H-closed and minimal Hausdorff spaces. An H-closed space $X$ is produced with the properties that $|X|>2^{2^{\psi (X)}}$ and $\overline{\psi}(X)>2^{\psi(X)}$.
@article{CMUC_1996_37_2_a11,
author = {Bella, Angelo and Porter, Jack R.},
title = {Local cardinal functions of {H-closed} spaces},
journal = {Commentationes Mathematicae Universitatis Carolinae},
pages = {371--374},
year = {1996},
volume = {37},
number = {2},
mrnumber = {1399007},
zbl = {0854.54003},
language = {en},
url = {http://geodesic.mathdoc.fr/item/CMUC_1996_37_2_a11/}
}
Bella, Angelo; Porter, Jack R. Local cardinal functions of H-closed spaces. Commentationes Mathematicae Universitatis Carolinae, Tome 37 (1996) no. 2, pp. 371-374. http://geodesic.mathdoc.fr/item/CMUC_1996_37_2_a11/