User Taras Banakh

4 votes

1 answer

348 views

Is there a topologizable group admitting only Raikov-complete group topologies?

asked May 4, 2017 at 17:55

4 votes

1 answer

315 views

What is the number of representations of a real number?

asked Sep 4, 2017 at 13:44

4 votes

0 answers

216 views

Is each metric continuum $\ell_p$-chain connected?

asked Aug 14, 2018 at 20:47

4 votes

2 answers

443 views

On convergent sequences in locally convex topological vector spaces

asked Aug 16, 2018 at 10:03

4 votes

0 answers

50 views

The normality of powers versus the normality hypersymmetric powers

asked Oct 12, 2018 at 6:36

4 votes

1 answer

720 views

Hereditarily indecomposable groups

asked Oct 9, 2018 at 8:25

4 votes

0 answers

67 views

Irreducible separators of compact manifolds

asked Sep 3, 2018 at 18:43

4 votes

1 answer

153 views

The homological negligibility of certain subsets in compact manifolds

asked Sep 4, 2018 at 4:07

4 votes

1 answer

113 views

Does each separator between points of a continuum contain an irreducible separator?

asked Sep 4, 2018 at 7:40

4 votes

2 answers

244 views

Compact images of nowhere dense closed convex sets in a Hilbert space

asked Oct 31, 2018 at 19:45

3 votes

0 answers

183 views

On Khelif's example of a group of countable cofinality having the Bergman property

asked Oct 24, 2018 at 12:07

3 votes

1 answer

153 views

On decomposition of finite Abelian groups

asked Oct 13, 2018 at 10:14

3 votes

2 answers

152 views

What is the dimension of a subspace of the product of $n$ linearly ordered compacta

asked Jul 17, 2018 at 14:08

3 votes

1 answer

175 views

Has the Erdős space the structure of a monothetic topological group?

asked Jun 16, 2018 at 6:20

3 votes

1 answer

201 views

Is each closed subgroups of $\mathbb R^\omega$ isomorphic to a Tychonoff product of locally compact Abelian groups?

asked May 24, 2018 at 9:48

3 votes

0 answers

109 views

Is the Banach space $C(K)$ a $1$-Lipschitz comp-extensor?

asked Apr 22, 2018 at 18:31

3 votes

0 answers

161 views

A characterization of Cauchy filters on countable metric spaces?

asked Oct 22, 2017 at 10:39

3 votes

0 answers

143 views

Is an Abelian topological group compact if it is complete and Bohr-compact?

asked Jun 8, 2017 at 9:05

3 votes

1 answer

155 views

An infinite subset in $3^\omega$ with "large" projections?

asked Jun 29, 2017 at 13:14

3 votes

1 answer

233 views

Is there any characterization and/or classification of subsemigroups of finite monogenic semigroups?

asked Jan 21, 2018 at 18:55

3 votes

1 answer

269 views

What is a standard name for this kind of unconditional bases in Banach spaces?

asked Feb 13, 2018 at 21:14

3 votes

1 answer

197 views

Is the sumset of two Haar positive closed subsets of a Polish group non-meager?

asked Aug 25, 2015 at 18:09

3 votes

1 answer

143 views

A reference for a (folklore?) characterization of K-analytic spaces

asked Apr 18, 2019 at 15:50

3 votes

1 answer

107 views

Is each cometrizable space a subspace of a cometrizable topological group?

asked Jan 24, 2019 at 21:30

3 votes

1 answer

975 views

Implications of the existence of a pair of surjective functions, without Axiom of Choice

asked May 7, 2020 at 11:27

3 votes

0 answers

122 views

The existence of $T$-ultrafilters in ZFC

asked Feb 4, 2020 at 12:17

3 votes

1 answer

140 views

Is each preseparable topological group narrow?

asked Feb 14, 2020 at 17:40

3 votes

3 answers

397 views

Is the strong topology of a locally convex space always barrelled?

asked Jun 4, 2019 at 17:07

3 votes

0 answers

136 views

A question on a result of Imre Ruzsa concerning sum-sets

asked Aug 6, 2019 at 14:58

3 votes

1 answer

140 views

Is $\mathfrak p=\omega_1$ equivalent to the existence of a Hausdorff gap without infinite pseudointersection?

asked Jan 31, 2020 at 14:05

Stack Exchange Network

351 Questions

Is there a topologizable group admitting only Raikov-complete group topologies?

What is the number of representations of a real number?

Is each metric continuum $\ell_p$-chain connected?

On convergent sequences in locally convex topological vector spaces

The normality of powers versus the normality hypersymmetric powers

Hereditarily indecomposable groups

Irreducible separators of compact manifolds

The homological negligibility of certain subsets in compact manifolds

Does each separator between points of a continuum contain an irreducible separator?

Compact images of nowhere dense closed convex sets in a Hilbert space

On Khelif's example of a group of countable cofinality having the Bergman property

On decomposition of finite Abelian groups

What is the dimension of a subspace of the product of $n$ linearly ordered compacta

Has the Erdős space the structure of a monothetic topological group?

Is each closed subgroups of $\mathbb R^\omega$ isomorphic to a Tychonoff product of locally compact Abelian groups?

Is the Banach space $C(K)$ a $1$-Lipschitz comp-extensor?

A characterization of Cauchy filters on countable metric spaces?

Is an Abelian topological group compact if it is complete and Bohr-compact?

An infinite subset in $3^\omega$ with "large" projections?

Is there any characterization and/or classification of subsemigroups of finite monogenic semigroups?

What is a standard name for this kind of unconditional bases in Banach spaces?

Is the sumset of two Haar positive closed subsets of a Polish group non-meager?

A reference for a (folklore?) characterization of K-analytic spaces

Is each cometrizable space a subspace of a cometrizable topological group?

Implications of the existence of a pair of surjective functions, without Axiom of Choice

The existence of $T$-ultrafilters in ZFC

Is each preseparable topological group narrow?

Is the strong topology of a locally convex space always barrelled?

A question on a result of Imre Ruzsa concerning sum-sets

Is $\mathfrak p=\omega_1$ equivalent to the existence of a Hausdorff gap without infinite pseudointersection?