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σ∗-projective covers and σ-Artinian rings

✍ Scribed by A.C. Benander


Book ID
107816422
Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
489 KB
Volume
42
Category
Article
ISSN
0022-4049

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Projective σ-compactness, ω1-caliber, an
✍ A.V. Arhangel'skii 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 128 KB

A space is called projectively σ -compact, if every separable metrizable continuous image of this space is σ -compact. In particular, we establish when C p (X) is projectively σ -compact. In the last section, a theorem on cardinality of Lindelöf spaces is proved and then applied to obtain a result i