User KP Hart

3 votes

Ideals on $\mathbb N$ and large sets that have small intersection

answered Oct 5, 2018 at 8:05

3 votes

Accepted

Relationship of ${\cal P}(\omega)/fin$ and ${\cal L}$

answered Oct 3, 2018 at 9:00

3 votes

Accepted

Does every cut-point space embed into the plane?

answered Oct 8, 2018 at 9:31

3 votes

Accepted

Injective choice function for non-separable $T_2$-spaces

answered Nov 7, 2018 at 12:42

3 votes

Accepted

Homeomorphic open sets and total disconnectedness

answered Nov 1, 2018 at 12:30

3 votes

Accepted

CH and the density topology on $\mathbb{R}$

answered Mar 13, 2021 at 14:39

3 votes

Resource request on "$\in$-homomorphisms" in Set Theory

answered Jul 5, 2021 at 9:31

3 votes

Image of a complex disc by this function?

answered Feb 18, 2021 at 16:54

3 votes

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Compactifications with remainder $[0,\omega_1]$ and convergent sequences

answered Jan 31, 2020 at 9:55

3 votes

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Countable open covering of normal space

answered Jan 5, 2021 at 15:21

3 votes

Does there exist a strongly star-Lindelöf space which is not DCCC?

answered Sep 2, 2021 at 7:02

3 votes

Convergence properties in dense subsets of $\omega^*$

answered Jul 23, 2021 at 19:21

3 votes

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Subsets of $\mathbb{R}$, every nonempty subset of which generates a disconnected translation-invariant topology

answered Aug 4, 2021 at 10:30

3 votes

Accepted

Is the Čech–Stone compactification of the integers always a retract of an extremally disconnected space?

answered Jan 17, 2022 at 16:42

3 votes

Is the Isbell–Mrówka space $\Psi(\mathcal A)$ with $\lvert\mathcal A\rvert=\omega_1$ starcompact?

answered Jan 25, 2022 at 22:06

3 votes

Accepted

Connectedness of a union regading a proximity

answered Jun 14, 2010 at 21:49

3 votes

What does the property that path-connectedness implies arc-connectedness imply?

answered May 21, 2010 at 12:59

3 votes

A good place to read about uniform spaces

answered Aug 30, 2010 at 8:45

3 votes

totally disconnected and zero-dimensional spaces

answered Sep 13, 2010 at 11:57

3 votes

Chain of ideals in a BA

answered Nov 23, 2011 at 12:30

3 votes

$\mathfrak{c}$-universal linear order

answered May 2, 2012 at 9:26

3 votes

Stone-Čech compactification of $\mathbb R$

answered Mar 16, 2012 at 22:53

3 votes

Accepted

Infinite closed partition of the real line with no closed infinite unions

answered Mar 16, 2012 at 23:12

3 votes

Accepted

Metrizable implies hemicompact

answered Mar 17, 2012 at 14:01

3 votes

Problem understanding a passage of the proof of $\mathfrak{p}=\mathfrak{t}$ involving forcing

answered Sep 4, 2018 at 11:13

3 votes

Large discrete subsets of connected $T_2$-spaces

answered Sep 9, 2018 at 9:10

2 votes

Accepted

A property on some unbounded metric spaces

answered Sep 16, 2018 at 11:26

2 votes

Function spaces over pseudocompact spaces

answered Aug 4, 2012 at 13:14

2 votes

Countable support product of Sacks forcings and selective ultrafilters

answered Sep 3, 2018 at 12:49

2 votes

How big is the lattice of all functions?

answered Oct 2, 2018 at 12:00

Stack Exchange Network

213 Answers

Ideals on $\mathbb N$ and large sets that have small intersection

Relationship of ${\cal P}(\omega)/fin$ and ${\cal L}$

Does every cut-point space embed into the plane?

Injective choice function for non-separable $T_2$-spaces

Homeomorphic open sets and total disconnectedness

CH and the density topology on $\mathbb{R}$

Resource request on "$\in$-homomorphisms" in Set Theory

Image of a complex disc by this function?

Compactifications with remainder $[0,\omega_1]$ and convergent sequences

Countable open covering of normal space

Does there exist a strongly star-Lindelöf space which is not DCCC?

Convergence properties in dense subsets of $\omega^*$

Subsets of $\mathbb{R}$, every nonempty subset of which generates a disconnected translation-invariant topology

Is the Čech–Stone compactification of the integers always a retract of an extremally disconnected space?

Is the Isbell–Mrówka space $\Psi(\mathcal A)$ with $\lvert\mathcal A\rvert=\omega_1$ starcompact?

Connectedness of a union regading a proximity

What does the property that path-connectedness implies arc-connectedness imply?

A good place to read about uniform spaces

totally disconnected and zero-dimensional spaces

Chain of ideals in a BA

$\mathfrak{c}$-universal linear order

Stone-Čech compactification of $\mathbb R$

Infinite closed partition of the real line with no closed infinite unions

Metrizable implies hemicompact

Problem understanding a passage of the proof of $\mathfrak{p}=\mathfrak{t}$ involving forcing

Large discrete subsets of connected $T_2$-spaces

A property on some unbounded metric spaces

Function spaces over pseudocompact spaces

Countable support product of Sacks forcings and selective ultrafilters

How big is the lattice of all functions?