The Sorgenfrey plane is not a δ -normally discrete space
1 Department of Mathematical Analysis, Yuriy Fedkovych Chernivtsi National University, Chernivtsi, 58000, Ukraine
2 Jan Kokhanowski University, Kielce, 25-001, Poland
Keywords:
Sorgenfrey plane
Abstract
It is proved that the Sorgenfrey plane is not a ___ -normally discrete space.
References
1. R. Blair, A. Hager Extensions of zero-sets and of real-valued functions, Math. Zeit. 136 (1974), 41–52.
2. L. Gillman, M. Jerison Rings of continuous functions, Van Nostrand, Princeton (1960).
3. J. Mack Countable paracompactness and weak normality properties, Trans. Amer. Math. Soc. 148 (1970), 265–272.
4. Open problems in topology II /ed. by Elliott Pearl/ Elsevier, 2007, 776 p.
5. R. Engelking General Topology, M.: Mir (1986), 752 p.
Cite
- ACS Style
- Karlova, O. The Sorgenfrey plane is not a δ -normally discrete space. Bukovinian Mathematical Journal. 2016, 2
- AMA Style
- Karlova O. The Sorgenfrey plane is not a δ -normally discrete space. Bukovinian Mathematical Journal. 2016; 2(1).
- Chicago/Turabian Style
- Olena Karlova. 2016. "The Sorgenfrey plane is not a δ -normally discrete space". Bukovinian Mathematical Journal. 2 no. 1.
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