List questions from closed-map

Published on 22 Nov 2017 - 4:06

211

Views

Show that $\omega : I \to \mathbb{S}^1$ defined by $\omega(x) = e^{2\pi ix}$ is a closed map.

Published on 28 Nov 2017 - 13:19

119

Views

Continuous map on a dense subset which is not closed

Published on 06 Dec 2017 - 22:22

1.1k

Views

A continuous surjection is proper if and only if pre-images of compact sets are compact

Published on 19 Dec 2017 - 15:32

389

Views

Articles on the "Property I found" and other types of Centers (excluding the Centroid)?

Published on 24 Feb 2026 - 0:49

246

Views

Showing that a space is Hausdorff

Published on 08 Jan 2018 - 1:54

42.4k

Views

Projection map being a closed map

Published on 18 Feb 2011 - 18:54

1.9k

Views

Finite Product of Closed Maps Need Not Be Closed

Published on 26 Jan 2012 - 20:28

4.2k

Views

How to prove the function $y = \sin x$ is not a closed function?

Published on 21 Jul 2012 - 11:41

4.9k

Views

Image of a normal space under a closed and continuous map is normal

Published on 12 Jan 2013 - 14:53

143

Views

Verifying Topological Embeddings

Published on 10 Aug 2020 - 16:40

103

Views

Why the following function is closed?

Published on 07 Sep 2020 - 21:53

572

Views

Closed but not continuous operator

Published on 18 Sep 2020 - 14:07

437

Views

Is it true that any continuous injective map from a circle to circle is surjective?

Published on 18 Nov 2020 - 20:47

52

Views

Prove $f$ is closed in compact spaces

Published on 21 Nov 2020 - 17:47

List Question

action of a compact group is closed

Show that $\omega : I \to \mathbb{S}^1$ defined by $\omega(x) = e^{2\pi ix}$ is a closed map.

Continuous map on a dense subset which is not closed

A continuous surjection is proper if and only if pre-images of compact sets are compact

Articles on the "Property I found" and other types of Centers (excluding the Centroid)?

Showing that a space is Hausdorff

Projection map being a closed map

Finite Product of Closed Maps Need Not Be Closed

How to prove the function $y = \sin x$ is not a closed function?

Image of a normal space under a closed and continuous map is normal

Verifying Topological Embeddings

Why the following function is closed?

Closed but not continuous operator

Is it true that any continuous injective map from a circle to circle is surjective?

Prove $f$ is closed in compact spaces

Trending Questions

Popular # Hahtags

Popular Questions