Question

Is a closed embedding of CW-complexes a cofibration?

score 611 · Answer 1 · 2026-04-09 10:06:40

611

Views

Is a closed embedding of CW-complexes a cofibration?

Published on 09 Apr 2026 - 10:06

score 70 · Answer 2 · 2026-04-11 14:13:05

70

Views

Open/Closed Properties of Word Metric

Published on 11 Apr 2026 - 14:13

score 117 · Answer 3 · 2026-04-14 07:10:01

117

Views

What parametrization of $2 \times 2$ real matrix could yield the most number of connected components in a specified set?

Published on 14 Apr 2026 - 7:10

score 115 · Answer 4 · 2026-05-11 04:40:47

115

Views

If two closed plane curves are outside each other, can there be a point inside both of them?

Published on 11 May 2026 - 4:40

score 73 · Answer 5 · 2026-04-15 17:02:45

73

Views

Embedding Dimension of a graph

Published on 15 Apr 2026 - 17:02

score 99 · Answer 6 · 2026-04-11 07:49:10

99

Views

Topology on the space of functions

Published on 11 Apr 2026 - 7:49

score 276 · Answer 7 · 2026-04-09 20:43:18

276

Views

Metric spaces problem regarding if composition function is uniformly continuous then what about individual function itself

Published on 09 Apr 2026 - 20:43

score 743 · Answer 8 · 2026-04-13 22:19:03

743

Views

To prove a map from a measurable space to a set with a $\sigma$-algebra generated by a family of subsets.

Published on 13 Apr 2026 - 22:19

score 122 · Answer 9 · 2026-04-15 04:49:48

122

Views

topology on $\mathbb{Q}\times \mathbb{Q}$

Published on 15 Apr 2026 - 4:49

score 74 · Answer 10 · 2026-04-15 03:19:09

74

Views

First fundamental group and connectedness of $X:=\mathbb{R^4}\setminus \{\pi_1 \cup \pi_2 \}$

Published on 15 Apr 2026 - 3:19

score 261 · Answer 11 · 2026-05-05 15:20:52

261

Views

Assuming Axiom of Choice, every uncountable closed set contains a perfect subset

Published on 05 May 2026 - 15:20

score 329 · Answer 12 · 2026-04-15 22:43:26

329

Views

Is the addition and scalar multiplication continuous with respect to this particular topology?

Published on 15 Apr 2026 - 22:43

score 105 · Answer 13 · 2026-04-11 09:42:50

105

Views

Strange definition in topology

Published on 11 Apr 2026 - 9:42

score 106 · Answer 14 · 2026-04-13 20:20:16

106

Views

Functions from an $n$-dimensional hypercube to $\mathbb{R}^m$ when $n >m$.

Published on 13 Apr 2026 - 20:20

score 96 · Answer 15 · 2026-04-10 05:53:38

96

Views

Trouble understanding topological groups.

Published on 10 Apr 2026 - 5:53

List Question

Is a closed embedding of CW-complexes a cofibration?

Open/Closed Properties of Word Metric

What parametrization of $2 \times 2$ real matrix could yield the most number of connected components in a specified set?

If two closed plane curves are outside each other, can there be a point inside both of them?

Embedding Dimension of a graph

Topology on the space of functions

Metric spaces problem regarding if composition function is uniformly continuous then what about individual function itself

To prove a map from a measurable space to a set with a $\sigma$-algebra generated by a family of subsets.

topology on $\mathbb{Q}\times \mathbb{Q}$

First fundamental group and connectedness of $X:=\mathbb{R^4}\setminus \{\pi_1 \cup \pi_2 \}$

Assuming Axiom of Choice, every uncountable closed set contains a perfect subset

Is the addition and scalar multiplication continuous with respect to this particular topology?

Strange definition in topology

Functions from an $n$-dimensional hypercube to $\mathbb{R}^m$ when $n >m$.

Trouble understanding topological groups.

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