Question

Closure of Ball = Closed Ball in Normed Space

score 4.4k · Answer 1 · 2026-03-27 00:04:31

4.4k

Views

Closure of Ball = Closed Ball in Normed Space

Published on 27 Mar 2026 - 0:04

score 51 · Answer 2 · 2018-03-05 02:42:29

51

Views

Confusion in Subsets and subspace

Published on 05 Mar 2018 - 2:42

score 2.6k · Answer 3 · 2018-03-05 07:04:07

2.6k

Views

Closure of a Ball is Contained in Closed Ball (usual metric)

Published on 05 Mar 2018 - 7:04

score 490 · Answer 4 · 2026-03-25 09:27:36

490

Views

A question from the proof of topologists sine curve being not path connected

Published on 25 Mar 2026 - 9:27

score 60 · Answer 5 · 2026-03-28 12:14:32

60

Views

Does nodes of a polygon and cell relationships determine the shape of the polygoon?

Published on 28 Mar 2026 - 12:14

score 146 · Answer 6 · 2026-03-27 11:31:42

146

Views

Open connected sets with connected boundary

Published on 27 Mar 2026 - 11:31

score 28 · Answer 7 · 2018-03-05 16:57:22

28

Views

What are closure and boundary of $(-\infty,\infty)\times (0,T)$

Published on 05 Mar 2018 - 16:57

score 89 · Answer 8 · 2018-03-05 18:08:49

89

Views

A topology generated by neighborhood

Published on 05 Mar 2018 - 18:08

score 62 · Answer 9 · 2026-03-22 04:11:08

62

Views

The interior of the elements of a uniform structure $D$ is also base for $D$

Published on 22 Mar 2026 - 4:11

score 349 · Answer 10 · 2026-03-25 13:59:03

349

Views

Retraction onto a circle in a simplicial complex

Published on 25 Mar 2026 - 13:59

score 51 · Answer 11 · 2026-03-25 12:50:12

51

Views

Find an integer $m$ such that for an endomorphism of the n-dimensional torus there is a rational number with period $m$

Published on 25 Mar 2026 - 12:50

score 31 · Answer 12 · 2018-03-05 20:29:49

31

Views

Determine if the set $\{(x, \alpha, \beta) \mid x \ge 0 \land 0 \le \alpha \le \pi \land 0 \le \beta \le 2 \pi\}$ is compact

Published on 05 Mar 2018 - 20:29

score 116 · Answer 13 · 2018-03-05 20:33:58

116

Views

On necessary and sufficient condition for a set to be open

Published on 05 Mar 2018 - 20:33

score 130 · Answer 14 · 2026-03-22 14:47:24

130

Views

Space of Sequences with Finitely Many Nonzero Terms is Paracompact

Published on 22 Mar 2026 - 14:47

score 145 · Answer 15 · 2026-03-20 13:59:52

145

Views

Under $MA+\neg CH$ there exists a $Q$-set.

Published on 20 Mar 2026 - 13:59

List Question

Closure of Ball = Closed Ball in Normed Space

Confusion in Subsets and subspace

Closure of a Ball is Contained in Closed Ball (usual metric)

A question from the proof of topologists sine curve being not path connected

Does nodes of a polygon and cell relationships determine the shape of the polygoon?

Open connected sets with connected boundary

What are closure and boundary of $(-\infty,\infty)\times (0,T)$

A topology generated by neighborhood

The interior of the elements of a uniform structure $D$ is also base for $D$

Retraction onto a circle in a simplicial complex

Find an integer $m$ such that for an endomorphism of the n-dimensional torus there is a rational number with period $m$

Determine if the set $\{(x, \alpha, \beta) \mid x \ge 0 \land 0 \le \alpha \le \pi \land 0 \le \beta \le 2 \pi\}$ is compact

On necessary and sufficient condition for a set to be open

Space of Sequences with Finitely Many Nonzero Terms is Paracompact

Under $MA+\neg CH$ there exists a $Q$-set.

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