Question

Does always exist a CW-decomposition of topological space?

score 62 · Answer 1 · 2026-04-13 03:58:05

62

Views

Does always exist a CW-decomposition of topological space?

Published on 13 Apr 2026 - 3:58

score 246 · Answer 2 · 2026-04-12 12:00:45

246

Views

Why is closure finiteness necessary in this proof that every $n$-cell of an $n$-dimensional CW complex is open?

Published on 12 Apr 2026 - 12:00

score 213 · Answer 3 · 2026-04-13 07:20:55

213

Views

isomorphic relative homolog groups of CW-complexes (using excision)

Published on 13 Apr 2026 - 7:20

score 296 · Answer 4 · 2026-04-12 22:50:59

296

Views

Homology of a the Orbit Space of a "Nice" Action of a Group on a CW-Complex

Published on 12 Apr 2026 - 22:50

score 1.1k · Answer 5 · 2026-04-15 18:29:45

1.1k

Views

$\mathbb{R}^n$ and $S^n$: are they CW complexes?

Published on 15 Apr 2026 - 18:29

score 395 · Answer 6 · 2026-05-14 08:09:39

395

Views

Retracts of CW-complexes

Published on 14 May 2026 - 8:09

score 151 · Answer 7 · 2026-04-14 09:13:43

151

Views

Embedding of a CW-complex

Published on 14 Apr 2026 - 9:13

score 433 · Answer 8 · 2026-04-12 01:09:42

433

Views

Generators of homology groups of a CW-complex

Published on 12 Apr 2026 - 1:09

score 557 · Answer 9 · 2026-04-11 17:53:03

557

Views

Retract of a CW-complex

Published on 11 Apr 2026 - 17:53

score 107 · Answer 10 · 2026-04-09 07:41:45

107

Views

Cell complex and closed subset

Published on 09 Apr 2026 - 7:41

score 419 · Answer 11 · 2026-04-14 01:18:21

419

Views

infinite dimension cell in a CW complex

Published on 14 Apr 2026 - 1:18

score 85 · Answer 12 · 2026-04-14 13:55:37

85

Views

$G$ acts freely and cocompactly on $Y$ by permuting the cells, then $G$ is a factor group of $\pi_1(Y/G)$?

Published on 14 Apr 2026 - 13:55

score 857 · Answer 13 · 2026-04-14 07:00:10

857

Views

Homotopic equivalence embedding and contractible quotient space

Published on 14 Apr 2026 - 7:00

score 76 · Answer 14 · 2026-04-12 15:16:26

76

Views

Can $H_n(A) \cong H_n(X)$, where $(X,A)$ is a simply-connected $CW$ pair, always be induced by the inclusion map?

Published on 12 Apr 2026 - 15:16

score 127 · Answer 15 · 2026-04-12 20:09:30

127

Views

Is it possible to view $S^k\times\{0,1\}$ as a $CW$ subcomplex of $S^k\times I$ by defining a proper $CW$ structure on $S^k\times I$?

Published on 12 Apr 2026 - 20:09

List Question

Does always exist a CW-decomposition of topological space?

Why is closure finiteness necessary in this proof that every $n$-cell of an $n$-dimensional CW complex is open?

isomorphic relative homolog groups of CW-complexes (using excision)

Homology of a the Orbit Space of a "Nice" Action of a Group on a CW-Complex

$\mathbb{R}^n$ and $S^n$: are they CW complexes?

Retracts of CW-complexes

Embedding of a CW-complex

Generators of homology groups of a CW-complex

Retract of a CW-complex

Cell complex and closed subset

infinite dimension cell in a CW complex

$G$ acts freely and cocompactly on $Y$ by permuting the cells, then $G$ is a factor group of $\pi_1(Y/G)$?

Homotopic equivalence embedding and contractible quotient space

Can $H_n(A) \cong H_n(X)$, where $(X,A)$ is a simply-connected $CW$ pair, always be induced by the inclusion map?

Is it possible to view $S^k\times\{0,1\}$ as a $CW$ subcomplex of $S^k\times I$ by defining a proper $CW$ structure on $S^k\times I$?

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