A theorem of insertion and extension of functions for normal spaces

DOI10.1007/BF01236080zbMATH Open0778.54008WikidataQ59330153 ScholiaQ59330153MaRDI QIDQ689765

A. Gutiérrez, Salvador Romaguera, Manuel López-Pellicer

Publication date: 15 November 1993

Published in: Archiv der Mathematik (Search for Journal in Brave)

zbMATH Keywords

semicontinuous functioninsertionnormal space\({\mathcal C}\)-binary relationKatětov-Tong theoremTietze-Urysohn theorem

Mathematics Subject Classification ID

Continuous maps (54C05) Higher separation axioms (completely regular, normal, perfectly or collectionwise normal, etc.) (54D15) Extension of maps (54C20) Real-valued functions in general topology (54C30)

Cites Work

• Some characterizations of normal and perfectly normal spaces
• Indefinite Cut Sets for Real Functions
• Boundedness Properties in Function-Lattices
• On Real-Valued Functions in Topological Spaces

This page was built for publication: A theorem of insertion and extension of functions for normal spaces