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ζ Oph and the weak-wind problem

✍ Scribed by V. V. Gvaramadze; N. Langer; J. Mackey

Book ID
117964630
Publisher
John Wiley and Sons
Year
2012
Tongue
English
Weight
325 KB
Volume
aop
Category
Article
ISSN
1745-3925

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Weak Hausdorff Gaps and the ≤ t Problem
Weak Hausdorff Gaps and the ≤ t Problem
✍ Kyriakos Keremedis 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 604 KB

We find topological characterizations of the pseudointersection number p and the tower number t of the real line and we show that p < tiff there exists a compact separable Tz space X of \*-weight < p that can be covered by < t nowhere dense sets iff there exists a weak Hausdorff gap of size n < t, i