Question

Nested sequence of compact subsets covering an open set in $\mathbb{R}^n$

score 504 · Answer 1 · 2026-04-13 21:05:05

504

Views

Nested sequence of compact subsets covering an open set in $\mathbb{R}^n$

Published on 13 Apr 2026 - 21:05

score 152 · Answer 2 · 2026-04-12 09:23:43

152

Views

Local connectedness and path-connectedness of a square $I\times I$.

Published on 12 Apr 2026 - 9:23

score 81 · Answer 3 · 2026-04-15 00:09:10

81

Views

Question about Urysohn's metrization theorem

Published on 15 Apr 2026 - 0:09

score 441 · Answer 4 · 2026-04-09 23:11:57

441

Views

When is the exponential law in topology discontinuous?

Published on 09 Apr 2026 - 23:11

score 78 · Answer 5 · 2026-04-10 23:20:18

78

Views

Is this subset of $GL_5(\mathbb R)$ under Vandermonde-like parametrization of square matrices path-connected?

Published on 10 Apr 2026 - 23:20

score 598 · Answer 6 · 2026-04-12 14:13:45

598

Views

What are some other topological invariants apart from connectedness, compactness and fundamental groups?

Published on 12 Apr 2026 - 14:13

score 252 · Answer 7 · 2026-04-12 18:14:35

252

Views

Continuous Bijection From $S^1$ to $[0,2\pi)$

Published on 12 Apr 2026 - 18:14

score 161 · Answer 8 · 2026-04-15 08:04:01

161

Views

Let X be a topological space and $f_1, . . . , f_n : X → \mathbb{R}$ be continuous functions.

Published on 15 Apr 2026 - 8:04

score 168 · Answer 9 · 2026-04-29 12:46:04

168

Views

What changes in the sheaf theory of topological spaces with the "étale topology"?

Published on 29 Apr 2026 - 12:46

score 169 · Answer 10 · 2026-04-11 15:04:52

169

Views

Clarification of the definition of a deformation retract

Published on 11 Apr 2026 - 15:04

score 315 · Answer 11 · 2026-04-09 17:00:38

315

Views

Is there a locally compact space which is not a k-space

Published on 09 Apr 2026 - 17:00

score 239 · Answer 12 · 2026-04-14 10:12:38

239

Views

Is path lifting property is utilized in Rough path theory?

Published on 14 Apr 2026 - 10:12

score 379 · Answer 13 · 2026-04-13 01:05:56

379

Views

Projective limit of spaces of probability measures is bijective to the space of probability measures on a projective limit.

Published on 13 Apr 2026 - 1:05

score 77 · Answer 14 · 2026-04-11 11:58:19

77

Views

About the definition of polyhedra in Rourke and Sanderson

Published on 11 Apr 2026 - 11:58

score 451 · Answer 15 · 2026-04-11 04:12:36

451

Views

Prove $[0,1]$ is closed using sequence definition of closed

Published on 11 Apr 2026 - 4:12

List Question

Nested sequence of compact subsets covering an open set in $\mathbb{R}^n$

Local connectedness and path-connectedness of a square $I\times I$.

Question about Urysohn's metrization theorem

When is the exponential law in topology discontinuous?

Is this subset of $GL_5(\mathbb R)$ under Vandermonde-like parametrization of square matrices path-connected?

What are some other topological invariants apart from connectedness, compactness and fundamental groups?

Continuous Bijection From $S^1$ to $[0,2\pi)$

Let X be a topological space and $f_1, . . . , f_n : X → \mathbb{R}$ be continuous functions.

What changes in the sheaf theory of topological spaces with the "étale topology"?

Clarification of the definition of a deformation retract

Is there a locally compact space which is not a k-space

Is path lifting property is utilized in Rough path theory?

Projective limit of spaces of probability measures is bijective to the space of probability measures on a projective limit.

About the definition of polyhedra in Rourke and Sanderson

Prove $[0,1]$ is closed using sequence definition of closed

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