### Countably $S$-closed spaces

Karin Dlaska, Nurettin Ergun, Maximilian Ganster (1994)

Mathematica Slovaca

Similarity:

Skip to main content (access key 's'),
Skip to navigation (access key 'n'),
Accessibility information (access key '0')

Karin Dlaska, Nurettin Ergun, Maximilian Ganster (1994)

Mathematica Slovaca

Similarity:

H. Bennett, J. Chaber (1990)

Fundamenta Mathematicae

Similarity:

J. Chaber (1976)

Fundamenta Mathematicae

Similarity:

Baboolal, D., Backhouse, J., Ori, R.G. (1990)

International Journal of Mathematics and Mathematical Sciences

Similarity:

Yan-Kui Song (2013)

Open Mathematics

Similarity:

We prove the following statements: (1) every Tychonoff linked-Lindelöf (centered-Lindelöf, star countable) space can be represented as a closed subspace in a Tychonoff pseudocompact absolutely star countable space; (2) every Hausdorff (regular, Tychonoff) linked-Lindelöf space can be represented as a closed G δ-subspace in a Hausdorff (regular, Tychonoff) absolutely star countable space; (3) there exists a pseudocompact absolutely star countable Tychonoff space having a regular closed...

Eric van Douwen, Michael Wage (1979)

Fundamenta Mathematicae

Similarity:

McIntyre, David W. (2002)

International Journal of Mathematics and Mathematical Sciences

Similarity:

Al-Zoubi, Khalid, Al-Nashef, Bassam (2004)

International Journal of Mathematics and Mathematical Sciences

Similarity:

Ofelia Alas, Lucia Junqueira, Jan Mill, Vladimir Tkachuk, Richard Wilson (2011)

Open Mathematics

Similarity:

For a topological property P, we say that a space X is star Pif for every open cover Uof the space X there exists Y ⊂ X such that St(Y,U) = X and Y has P. We consider star countable and star Lindelöf spaces establishing, among other things, that there exists first countable pseudocompact spaces which are not star Lindelöf. We also describe some classes of spaces in which star countability is equivalent to countable extent and show that a star countable space with a dense σ-compact subspace...

Al-Nashef, Bassam (2001)

International Journal of Mathematics and Mathematical Sciences

Similarity: