Question

Formula relating Euler characteristics $\chi(A)$, $\chi(X)$, $\chi(Y)$, $\chi(Y \cup_f X)$ when $X$ and $Y$ are finite.

score 582 · Answer 1 · 2026-05-14 10:15:41

582

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Formula relating Euler characteristics $\chi(A)$, $\chi(X)$, $\chi(Y)$, $\chi(Y \cup_f X)$ when $X$ and $Y$ are finite.

Published on 14 May 2026 - 10:15

score 65 · Answer 2 · 2015-10-22 06:37:37

65

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What is the name of the $(k-1)$ faces of a $k$ cell?

Published on 22 Oct 2015 - 6:37

score 1.4k · Answer 3 · 2026-05-03 08:26:37

1.4k

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Applying a cell structure to $S^2$ with north and south pole identified.

Published on 03 May 2026 - 8:26

score 530 · Answer 4 · 2026-05-07 19:20:58

530

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Decoupling the algebra from the topology in cellular homology

Published on 07 May 2026 - 19:20

score 367 · Answer 5 · 2026-04-16 19:12:26

367

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Simplicial Complex and CW's

Published on 16 Apr 2026 - 19:12

score 102 · Answer 6 · 2026-03-27 11:49:37

102

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Generalization of Euler tour to higher dimensions

Published on 27 Mar 2026 - 11:49

score 261 · Answer 7 · 2026-05-14 12:36:59

261

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Homotopy between cellular maps: an additional property

Published on 14 May 2026 - 12:36

score 54 · Answer 8 · 2026-03-27 13:21:32

54

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Which maps are cellular between triangulable manifolds?

Published on 27 Mar 2026 - 13:21

score 63 · Answer 9 · 2026-03-27 14:53:42

63

Views

Structures created from cell complexes

Published on 27 Mar 2026 - 14:53

score 902 · Answer 10 · 2026-04-16 08:40:41

902

Views

Uniqueness of (co)homology theories on category of finite CW pairs

Published on 16 Apr 2026 - 8:40

score 166 · Answer 11 · 2026-04-14 22:36:54

166

Views

Can every CW complex be presented as a countable collection of integer valued matrices?

Published on 14 Apr 2026 - 22:36

score 19.5k · Answer 12 · 2026-05-01 02:52:27

19.5k

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Simplicial Complex vs Delta Complex vs CW Complex

Published on 01 May 2026 - 2:52

score 736 · Answer 13 · 2026-05-13 04:17:40

736

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Getting intuition for Munkres' 2 dimensional CW complex construction:

Published on 13 May 2026 - 4:17

score 351 · Answer 14 · 2026-03-27 13:23:12

351

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Barycentric subdivision of regular CW decomposition is a combinatorial manifold?

Published on 27 Mar 2026 - 13:23

score 623 · Answer 15 · 2026-04-10 16:28:55

623

Views

Isomorphism on Homology induced by Inclusion of CW-complexes

Published on 10 Apr 2026 - 16:28

List Question

Formula relating Euler characteristics $\chi(A)$, $\chi(X)$, $\chi(Y)$, $\chi(Y \cup_f X)$ when $X$ and $Y$ are finite.

What is the name of the $(k-1)$ faces of a $k$ cell?

Applying a cell structure to $S^2$ with north and south pole identified.

Decoupling the algebra from the topology in cellular homology

Simplicial Complex and CW's

Generalization of Euler tour to higher dimensions

Homotopy between cellular maps: an additional property

Which maps are cellular between triangulable manifolds?

Structures created from cell complexes

Uniqueness of (co)homology theories on category of finite CW pairs

Can every CW complex be presented as a countable collection of integer valued matrices?

Simplicial Complex vs Delta Complex vs CW Complex

Getting intuition for Munkres' 2 dimensional CW complex construction:

Barycentric subdivision of regular CW decomposition is a combinatorial manifold?

Isomorphism on Homology induced by Inclusion of CW-complexes

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