An extension theorem for D-normal spaces

DOI10.1016/0166-8641(83)90052-4zbMath0506.54013OpenAlexW2006535607MaRDI QIDQ1836894

Harald Brandenburg

Publication date: 1983

Published in: Topology and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0166-8641(83)90052-4

zbMATH Keywords

perfect spacedevelopable spaceD-normal spaceabsolute extensor for perfect spacescontinuous mapping from a closed G-delta-subspace of a D-normal spaceuniversal space for second countable developable T1-spacesUrysohn type lemma

Mathematics Subject Classification ID

Higher separation axioms (completely regular, normal, perfectly or collectionwise normal, etc.) (54D15) Moore spaces (54E30) Extension of maps (54C20) Embedding (54C25)

Related Items (4)

On mappings from products into developable spaces ⋮ On para-uniform nearness spaces and D-complete regularity ⋮ Some open categorical problems in Top ⋮ On D-paracompact spaces

Cites Work

• Unnamed Item
• On spaces with a \(G_\delta\)-basis
• Developability and Some New Regularity Axioms
• Separating Closed Sets by Continuous Mappings into Developable Spaces
• Some Characterizations of Developable Spaces
• The Category of D-Completely Regular Spaces is Simple
• Upper Semicontinuous Decompositions of Developable Spaces
• Metrization of Topological Spaces

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