Question

Does gluing polyhedra together give you a CW complex?

score 24 · Answer 1 · 2026-05-14 08:57:51

24

Views

Does gluing polyhedra together give you a CW complex?

Published on 14 May 2026 - 8:57

score 171 · Answer 2 · 2026-05-10 23:30:48

171

Views

Cohomology class $ H^k(X; \pi_{k-1}(Y,y_0))$ as obstruction

Published on 10 May 2026 - 23:30

score 67 · Answer 3 · 2026-04-16 17:10:11

67

Views

CW structures compatible with fiber bundle structures

Published on 16 Apr 2026 - 17:10

score 95 · Answer 4 · 2026-04-16 02:17:16

95

Views

Showing homotopy equivalence of identity map from graph topology to metric topology on the same set

Published on 16 Apr 2026 - 2:17

score 150 · Answer 5 · 2026-04-13 08:34:13

150

Views

Homotopy type of a simply connected CW space with all homology groups trivial after a certain stage.

Published on 13 Apr 2026 - 8:34

score 155 · Answer 6 · 2026-05-11 05:30:00

155

Views

CW-complex of Möbius band without 0-cells

Published on 11 May 2026 - 5:30

score 373 · Answer 7 · 2026-04-13 11:40:28

373

Views

In cellular homology, how should we define the degree of a map between $0$-spheres?

Published on 13 Apr 2026 - 11:40

score 63 · Answer 8 · 2026-04-09 12:35:43

63

Views

higher-degree attaching maps in cell complexes

Published on 09 Apr 2026 - 12:35

score 111 · Answer 9 · 2026-04-13 00:53:39

111

Views

How can we rigorously cellulate spaces we can't visualise? Difficulty finding nontrivial cellulations of the $n$-cube, $n$-torus

Published on 13 Apr 2026 - 0:53

score 86 · Answer 10 · 2026-04-11 16:57:33

86

Views

Using chain homotopy equivalences of two chain complexes, show two spaces are homotopy equivalent.

Published on 11 Apr 2026 - 16:57

score 86 · Answer 11 · 2026-04-13 21:05:54

86

Views

Showing the shearing map between product CW space is a homotopy equivalence.

Published on 13 Apr 2026 - 21:05

score 400 · Answer 12 · 2026-04-13 02:51:24

400

Views

Definition of subcomplex of a CW-complex

Published on 13 Apr 2026 - 2:51

score 60 · Answer 13 · 2026-04-16 18:21:22

60

Views

Why is the Euler characteristic of a torus with four identified points equal to -2?

Published on 16 Apr 2026 - 18:21

score 70 · Answer 14 · 2026-04-15 19:03:05

70

Views

Topological description for graph minors

Published on 15 Apr 2026 - 19:03

score 164 · Answer 15 · 2026-04-12 04:54:46

164

Views

First differential in cellular homology

Published on 12 Apr 2026 - 4:54

List Question

Does gluing polyhedra together give you a CW complex?

Cohomology class $ H^k(X; \pi_{k-1}(Y,y_0))$ as obstruction

CW structures compatible with fiber bundle structures

Showing homotopy equivalence of identity map from graph topology to metric topology on the same set

Homotopy type of a simply connected CW space with all homology groups trivial after a certain stage.

CW-complex of Möbius band without 0-cells

In cellular homology, how should we define the degree of a map between $0$-spheres?

higher-degree attaching maps in cell complexes

How can we rigorously cellulate spaces we can't visualise? Difficulty finding nontrivial cellulations of the $n$-cube, $n$-torus

Using chain homotopy equivalences of two chain complexes, show two spaces are homotopy equivalent.

Showing the shearing map between product CW space is a homotopy equivalence.

Definition of subcomplex of a CW-complex

Why is the Euler characteristic of a torus with four identified points equal to -2?

Topological description for graph minors

First differential in cellular homology

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