List questions from cw-complexes

Published on 22 Mar 2026 - 13:57

108

Views

If $(X, \Gamma)$ is a cell complex and $e \in \Gamma$, then the image of a characteristic map for $e$ equals its closure

Published on 23 Mar 2026 - 9:57

385

Views

Universal covering space of $\mathbb{R^3}\setminus S^1$

Published on 22 Mar 2026 - 23:33

144

Views

Are all cell decompositions useful?

Published on 25 Mar 2026 - 1:58

80

Views

Give an example of an open cell in a cell complex for which the image of the characteristic map is not a closed cell.

Published on 22 Mar 2026 - 16:22

622

Views

Computing cellular homology of the sphere using a different CW structure

Published on 23 Mar 2026 - 10:33

145

Views

Showing that a CW complex is compactly generated

Published on 23 Mar 2026 - 0:56

1.1k

Views

CW complex with fundamental group $\Bbb Z/n$

Published on 23 Mar 2026 - 6:48

208

Views

CW complex definition ambiguity

Published on 23 Mar 2026 - 0:27

2.8k

Views

CW complex for Möbius strip

Published on 23 Mar 2026 - 0:07

1.8k

Views

Compact subset of CW complex

Published on 22 Mar 2026 - 18:17

141

Views

CW Complexes $X/B$ and $X/A \cap B$ are homeomorphic

Published on 22 Mar 2026 - 10:48

97

Views

Using Homotopy Extension Propperty to prove that $S^{\infty}$ is contractible

Published on 25 Mar 2026 - 3:01

162

Views

Spaces homotopy dominated by a Moore space

Published on 25 Mar 2026 - 3:07

1.1k

Views

CW complex is connected iff 1-skeleton is connected

Published on 25 Mar 2026 - 2:59

List Question

CW complexes are compactly generated

If $(X, \Gamma)$ is a cell complex and $e \in \Gamma$, then the image of a characteristic map for $e$ equals its closure

Universal covering space of $\mathbb{R^3}\setminus S^1$

Are all cell decompositions useful?

Give an example of an open cell in a cell complex for which the image of the characteristic map is not a closed cell.

Computing cellular homology of the sphere using a different CW structure

Showing that a CW complex is compactly generated

CW complex with fundamental group $\Bbb Z/n$

CW complex definition ambiguity

CW complex for Möbius strip

Compact subset of CW complex

CW Complexes $X/B$ and $X/A \cap B$ are homeomorphic

Using Homotopy Extension Propperty to prove that $S^{\infty}$ is contractible

Spaces homotopy dominated by a Moore space

CW complex is connected iff 1-skeleton is connected

Trending Questions

Popular # Hahtags

Popular Questions