Question

Volume preserving transformation between a cube and a ball (solid sphere)?

score 217 · Answer 1 · 2020-11-24 10:55:15

217

Views

Volume preserving transformation between a cube and a ball (solid sphere)?

Published on 24 Nov 2020 - 10:55

score 350 · Answer 2 · 2020-12-07 13:45:09

350

Views

Continuous functions are closed

Published on 07 Dec 2020 - 13:45

score 27 · Answer 3 · 2020-12-15 04:45:04

27

Views

Homemorphic spaces.

Published on 15 Dec 2020 - 4:45

score 163 · Answer 4 · 2020-12-25 15:01:36

163

Views

Example of a map which is not closed but every closed ball maps into closed set

Published on 25 Dec 2020 - 15:01

score 314 · Answer 5 · 2021-01-08 14:04:40

314

Views

On Closed maps between metric spaces

Published on 08 Jan 2021 - 14:04

score 58 · Answer 6 · 2021-01-19 15:40:52

58

Views

Surjectivity of $f:\mathbb{S}^{1}\longrightarrow\mathbb{S}^{1}$ via universal covering of $\mathbb{S}^{1}$

Published on 19 Jan 2021 - 15:40

score 200 · Answer 7 · 2021-02-17 16:29:31

200

Views

Restriction of a covering map on a closed set having finite fibers is a proper map?

Published on 17 Feb 2021 - 16:29

score 195 · Answer 8 · 2021-03-04 04:17:24

195

Views

$f$ Open, Closed and continuous but not a local homeomorphism

Published on 04 Mar 2021 - 4:17

score 146 · Answer 9 · 2021-03-21 17:24:26

146

Views

Function that is closed but not open and not continuous

Published on 21 Mar 2021 - 17:24

score 154 · Answer 10 · 2021-03-23 09:09:43

154

Views

A $T_4$ space satisfying that 'every continuous map from it to a Hausdorff space is a closed map' is compact.

Published on 23 Mar 2021 - 9:09

score 161 · Answer 11 · 2021-04-17 13:16:53

161

Views

Banach fixed point theorem in $\mathbb R^n$

Published on 17 Apr 2021 - 13:16

score 855 · Answer 12 · 2021-04-19 22:43:53

855

Views

If a continuous surjection $f$ is open/closed, then it is an identification.

Published on 19 Apr 2021 - 22:43

score 73 · Answer 13 · 2026-02-23 14:05:43

73

Views

Stacks Project, modules locally generated by sections; is the hypothesis necessary?

Published on 23 Feb 2026 - 14:05

score 46 · Answer 14 · 2021-05-08 11:12:01

46

Views

closed quotient maps and $T_{k}$ spaces with $k \in \{1,2,3\}$

Published on 08 May 2021 - 11:12

score 100 · Answer 15 · 2021-05-18 08:53:25

100

Views

How to prove that this map is not closed map

Published on 18 May 2021 - 8:53

List Question

Volume preserving transformation between a cube and a ball (solid sphere)?

Continuous functions are closed

Homemorphic spaces.

Example of a map which is not closed but every closed ball maps into closed set

On Closed maps between metric spaces

Surjectivity of $f:\mathbb{S}^{1}\longrightarrow\mathbb{S}^{1}$ via universal covering of $\mathbb{S}^{1}$

Restriction of a covering map on a closed set having finite fibers is a proper map?

$f$ Open, Closed and continuous but not a local homeomorphism

Function that is closed but not open and not continuous

A $T_4$ space satisfying that 'every continuous map from it to a Hausdorff space is a closed map' is compact.

Banach fixed point theorem in $\mathbb R^n$

If a continuous surjection $f$ is open/closed, then it is an identification.

Stacks Project, modules locally generated by sections; is the hypothesis necessary?

closed quotient maps and $T_{k}$ spaces with $k \in \{1,2,3\}$

How to prove that this map is not closed map

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