𝔖 Bobbio Scriptorium
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Characterizations of absoluteFσδ-sets

✍ Scribed by H. J. K. Junnila; H. P. A. Küunzi


Book ID
110420324
Publisher
Springer
Year
1998
Tongue
English
Weight
570 KB
Volume
48
Category
Article
ISSN
0011-4642

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Characterizations of (R∞,σ) - or (Q∞,Σ)
✍ Taras Banakh; Katsuro Sakai 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 181 KB

We identify Euclidean spaces R n with the subspaces of the countable infinite product R ω . Then the set n∈N R n has two natural topologies, namely the weak topology (the direct limit) with respect to the tower R 1 ⊂ R 2 ⊂ R 3 ⊂ • • • and the relative topology inherited from the product topology of