Question

show that a quotient space is a CW complex.

score 76 · Answer 1 · 2026-04-14 05:47:53

76

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show that a quotient space is a CW complex.

Published on 14 Apr 2026 - 5:47

score 63 · Answer 2 · 2026-04-11 09:19:54

63

Views

Question about an alternative description of the topology on CW complex from Hatcher

Published on 11 Apr 2026 - 9:19

score 183 · Answer 3 · 2026-04-13 01:30:32

183

Views

Lifting a map from the quotient by a contractible topological group

Published on 13 Apr 2026 - 1:30

score 88 · Answer 4 · 2026-04-14 14:30:43

88

Views

Are transfinite cell complexes the same as the usual cell complexes?

Published on 14 Apr 2026 - 14:30

score 100 · Answer 5 · 2026-04-12 03:09:05

100

Views

A simple question about Hatcher's notation (abuse?) in Algebraic Topology when defining coproducts.

Published on 12 Apr 2026 - 3:09

score 98 · Answer 6 · 2026-04-09 00:06:09

98

Views

"Open" Cell? (Hatcher and Husemoller)

Published on 09 Apr 2026 - 0:06

score 54 · Answer 7 · 2026-05-11 08:41:06

54

Views

S : ∞-Grpd₀ ⭢ ∞-Grpd₀ such that Homology of X is the homotopy of SX?

Published on 11 May 2026 - 8:41

score 52 · Answer 8 · 2026-04-09 06:03:03

52

Views

how to understand a simplicial complex as a CW structure

Published on 09 Apr 2026 - 6:03

score 130 · Answer 9 · 2026-04-14 16:42:03

130

Views

Want a simple construction of a relative CW complex (something like a torus) analogous to regular CW Complex constructions.

Published on 14 Apr 2026 - 16:42

score 77 · Answer 10 · 2026-04-14 19:39:32

77

Views

CW Complex Decomposition of $S^{n}$

Published on 14 Apr 2026 - 19:39

score 57 · Answer 11 · 2026-04-17 05:52:49

57

Views

Hatcher Theorem 1B.8 / Proposition 1B.9 concluding that a map inducing the identity is homotopic to the identity?

Published on 17 Apr 2026 - 5:52

score 55 · Answer 12 · 2026-04-15 09:47:12

55

Views

Question regarding Hatcher Exercise 0.24

Published on 15 Apr 2026 - 9:47

score 80 · Answer 13 · 2026-04-10 22:56:31

80

Views

Is the adjunction space of two Hausdorff spaces also Hausdorff?

Published on 10 Apr 2026 - 22:56

score 68 · Answer 14 · 2026-04-14 10:43:02

68

Views

An example of something that is not a subcomplex.

Published on 14 Apr 2026 - 10:43

score 41 · Answer 15 · 2026-04-16 07:55:38

41

Views

CW complex - closure finiteness and weak topology

Published on 16 Apr 2026 - 7:55

List Question

show that a quotient space is a CW complex.

Question about an alternative description of the topology on CW complex from Hatcher

Lifting a map from the quotient by a contractible topological group

Are transfinite cell complexes the same as the usual cell complexes?

A simple question about Hatcher's notation (abuse?) in Algebraic Topology when defining coproducts.

"Open" Cell? (Hatcher and Husemoller)

S : ∞-Grpd₀ ⭢ ∞-Grpd₀ such that Homology of X is the homotopy of SX?

how to understand a simplicial complex as a CW structure

Want a simple construction of a relative CW complex (something like a torus) analogous to regular CW Complex constructions.

CW Complex Decomposition of $S^{n}$

Hatcher Theorem 1B.8 / Proposition 1B.9 concluding that a map inducing the identity is homotopic to the identity?

Question regarding Hatcher Exercise 0.24

Is the adjunction space of two Hausdorff spaces also Hausdorff?

An example of something that is not a subcomplex.

CW complex - closure finiteness and weak topology

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