Monotone normality free of \(T_1\) axiom

DOI10.1007/S10474-009-7234-3zbMath1240.54077MaRDI QIDQ1046842

Javier Gutiérrez García, Iraide Mardones-Pérez, María Angeles de Prada Vicente

Publication date: 29 December 2009

Published in: Acta Mathematica Hungarica (Search for Journal in Brave)

zbMATH Keywords

lower semicontinuous functionextension theoremmonotone normalitycompletely distributive latticeupper semicontinuous functionRaney relation\(\triangleleft\)-separable

Mathematics Subject Classification ID

Complete distributivity (06D10) Higher separation axioms (completely regular, normal, perfectly or collectionwise normal, etc.) (54D15) Extension of maps (54C20) Maps and general types of topological spaces defined by maps (54C99)

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