Question

Does gluing polyhedra together give you a CW complex?

score 20 · Answer 1 · 2022-10-13 02:46:45

20

Views

Does gluing polyhedra together give you a CW complex?

Published on 13 Oct 2022 - 2:46

score 167 · Answer 2 · 2026-03-25 20:36:35

167

Views

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

Published on 25 Mar 2026 - 20:36

score 64 · Answer 3 · 2022-10-25 11:21:54

64

Views

CW structures compatible with fiber bundle structures

Published on 25 Oct 2022 - 11:21

score 92 · Answer 4 · 2022-10-27 15:46:39

92

Views

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

Published on 27 Oct 2022 - 15:46

score 147 · Answer 5 · 2022-11-08 13:12:45

147

Views

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

Published on 08 Nov 2022 - 13:12

score 154 · Answer 6 · 2026-03-26 01:10:55

154

Views

CW-complex of Möbius band without 0-cells

Published on 26 Mar 2026 - 1:10

score 370 · Answer 7 · 2022-11-08 18:51:23

370

Views

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

Published on 08 Nov 2022 - 18:51

score 60 · Answer 8 · 2022-11-10 17:29:25

60

Views

higher-degree attaching maps in cell complexes

Published on 10 Nov 2022 - 17:29

score 108 · Answer 9 · 2022-11-12 21:33:06

108

Views

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

Published on 12 Nov 2022 - 21:33

score 83 · Answer 10 · 2022-11-16 14:49:25

83

Views

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

Published on 16 Nov 2022 - 14:49

score 83 · Answer 11 · 2022-11-16 23:53:28

83

Views

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

Published on 16 Nov 2022 - 23:53

score 397 · Answer 12 · 2022-11-23 18:04:39

397

Views

Definition of subcomplex of a CW-complex

Published on 23 Nov 2022 - 18:04

score 55 · Answer 13 · 2022-11-30 10:43:12

55

Views

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

Published on 30 Nov 2022 - 10:43

score 67 · Answer 14 · 2022-11-30 17:19:06

67

Views

Topological description for graph minors

Published on 30 Nov 2022 - 17:19

score 161 · Answer 15 · 2022-12-06 12:16:50

161

Views

First differential in cellular homology

Published on 06 Dec 2022 - 12:16

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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