Monotonically normal $e$-separable spaces may not be perfect

DOI10.14712/1213-7243.2015.253zbMath1474.54096OpenAlexW2901273503MaRDI QIDQ4683365

John E. Porter

Publication date: 20 September 2018

Published in: Commentationes Mathematicae Universitatis Carolinae (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.14712/1213-7243.2015.253

zbMATH Keywords

perfect spacemonotonically normal spaceperfectly normal spacepoint network\(\sigma\)-closed-discrete dense set\(e\)-separable spaceperfect images of generalized ordered space

Mathematics Subject Classification ID

Product spaces in general topology (54B10) Higher separation axioms (completely regular, normal, perfectly or collectionwise normal, etc.) (54D15) Counterexamples in general topology (54G20)

Cites Work

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• An application of Mary Ellen Rudin's solution to Nikiel's conjecture
• Criteria for Metrisability
• A Lattice of Conditions on Topological Spaces
• Topological Spaces with Point-Networks
• A lattice of conditions on topological spaces II
• Perfect images of generalized ordered spaces
• On spaces with $\sigma$-closed-discrete dense sets
• A Study of Monotonically Normal Spaces
• Monotonically Normal Spaces

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