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On characterizing
certain classses of first countable spaces by open
mappings
Kenneth Abernethy |
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Vol. 53 (1974), No. 2, 319–326
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Abstract |
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This paper has three main results. These are characterizations of Nagata spaces, γ-spaces, and semi-metric spaces, respectively, as images of metrizable spaces under certain kinds of continuous open mappings. |
Mathematical Subject Classification 2000
Primary: 54E20
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Milestones
Received: 24 September 1973
Revised: 1 December 1973
Published: 1 August 1974
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Authors |
| Kenneth Abernethy | |
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