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Paul
  • Member for 10 years, 7 months
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16 Questions

Score Activity Newest Views
5 votes
0 answers
115 views

Is there a star countable, semi-stratifiable space $X$ with $|X|> \mathfrak c$? [closed]

5 votes
1 answer
149 views

Is there a Hausdorff weakly Lindelof space which is not DCCC?

5 votes
1 answer
154 views

A regular first countable space of cellularity at most $2^\omega$

4 votes
0 answers
79 views

Is $c(\mathcal M(X)) = c(X)$ for any first countable regular space?

4 votes
2 answers
195 views

A result on spaces with countable pseudocharacter and countable tightness

4 votes
1 answer
166 views

Semi-metrizable spaces with countable chain condition

3 votes
1 answer
94 views

Is there a calibre $\aleph_1$ Moore space which is not separable

3 votes
1 answer
128 views

Is there a metacompact, normal, CCC space which is not Lindelof

3 votes
1 answer
197 views

How could I see quickly that this space is not normal?

3 votes
1 answer
150 views

A question on quasitopological group

2 votes
0 answers
61 views

Looking for a weakly Lindel\"of Tychonoff Moore non-ccc space

2 votes
0 answers
73 views

Is there a star Lindelöf topological group which is not star countable?

2 votes
1 answer
138 views

Is every semi-stratifiable space $\omega$-monolithic?

1 vote
0 answers
86 views

Are there results on cardinal function using o-tightness?

1 vote
1 answer
132 views

Let $X$ be a Lindelof, perfectly normal, $\sigma$-space. Must $X$ be separable?

0 votes
1 answer
128 views

Is there a $\sigma$-metacompact space which is not metacompact?