An extension theorem for D-normal spaces (Q1836894)
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scientific article; zbMATH DE number 3798621
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | An extension theorem for D-normal spaces |
scientific article; zbMATH DE number 3798621 |
Statements
An extension theorem for D-normal spaces (English)
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1983
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universal space for second countable developable T1-spaces
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D-normal space
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perfect space
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developable space
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absolute extensor for perfect spaces
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continuous mapping from a closed G-delta-subspace of a D-normal space
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Urysohn type lemma
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