A subclass of the class MOBI
H. Bennett, J. Chaber (1990)
Fundamenta Mathematicae
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Displaying similar documents to “On mapping of countable spaces”
A subclass of the class MOBI
Metacompactness and the class MOBI
J. Chaber (1976)
Fundamenta Mathematicae
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On Hausdorff compactifications of non-locally compact spaces.
Hatzenbuhler, James, Mattson, Don A. (1979)
International Journal of Mathematics and Mathematical Sciences
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First countable and countable spaces all compactifications of which contain βN
Eric van Douwen, Teodor Przymusiński (1979)
Fundamenta Mathematicae
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A new way to find compact zero-dimensional first countable preimages of first countable compact spaces
Vladimir Vladimirovich Tkachuk (1988)
Commentationes Mathematicae Universitatis Carolinae
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On functions defined on Cartesian products
R. Engelking (1966)
Fundamenta Mathematicae
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On covering properties by regular closed sets.
Janković, Dragan, Konstadilaki, Chariklia (1996)
Mathematica Pannonica
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A construction of a Fréchet-Urysohn space, and some convergence concepts
Aleksander V. Arhangel'skii (2010)
Commentationes Mathematicae Universitatis Carolinae
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Some strong versions of the Fréchet-Urysohn property are introduced and studied. We also strengthen the concept of countable tightness and generalize the notions of first-countability and countable base. A construction of a topological space is described which results, in particular, in a Tychonoff countable Fréchet-Urysohn space which is not first-countable at any point. It is shown that this space can be represented as the image of a countable metrizable space under a continuous pseudoopen...