Pseudo-metrizability of quotient spaces
C. J. Himmelberg (1968)
Fundamenta Mathematicae
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C. J. Himmelberg (1968)
Fundamenta Mathematicae
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Anna Kucia (1990)
Commentationes Mathematicae Universitatis Carolinae
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J. Oxtoby (1961)
Fundamenta Mathematicae
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H. W. Pu, H. H. Pu (1989)
Colloquium Mathematicae
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McCoy, R.A. (1983)
International Journal of Mathematics and Mathematical Sciences
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Petr Simon, Gino Tironi (1986)
Commentationes Mathematicae Universitatis Carolinae
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Jin Yuan Zhou (1993)
Commentationes Mathematicae Universitatis Carolinae
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It is proved that, under the Martin’s Axiom, every -space with countable tightness is a subspace of some pseudo-radial space. We also give several characterizations of subspaces of pseudo-radial spaces and conclude that being a subspace of a pseudo-radial space is a local property.