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Hereditary normality of a space of the form ℱ(X)

✍ Scribed by A. V. Ivanov; E. V. Kashuba


Book ID
106530349
Publisher
SP MAIK Nauka/Interperiodica
Year
2008
Tongue
English
Weight
199 KB
Volume
49
Category
Article
ISSN
0037-4466

No coin nor oath required. For personal study only.


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Hereditary normality of γN-spaces
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Note on hereditary normality of product
✍ A. Okuyama; S. Watson 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 397 KB

In 1964 K. Morita introduced the concept of P(m)-spaces which characterized the normality of products with any metrizable space of weight < m. Especially, a topological space X is a normal P(No)-space if and only if X x Y is normal for any separable metrizable space Y. Okuyama (1991) introduced a si

On hereditary normality of zero-dimensio
✍ Sergei Logunov 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 67 KB

We show, in particular, that if X is a zero-dimensional second countable space without isolated points, then each point of the remainder of the space βX is a non-normality point of βX.