Question

If $X \times Y$ is Separable, are $X, Y$ Separable?

score 685 · Answer 1 · 2026-03-25 11:22:55

685

Views

If $X \times Y$ is Separable, are $X, Y$ Separable?

Published on 25 Mar 2026 - 11:22

score 63 · Answer 2 · 2018-06-30 10:38:45

63

Views

Proving three circles of radius 1 centred at $(0,0), (2,0), (4,0)$ homotopy equivalent to $^1∨^1∨^1$

Published on 30 Jun 2018 - 10:38

score 119 · Answer 3 · 2026-03-25 21:51:14

119

Views

Can we find a curve that covers the unit sphere s.t any point $x$ on the unit sphere $S^2$, the curve passes through $x$ at least once?

Published on 25 Mar 2026 - 21:51

score 620 · Answer 4 · 2026-03-25 01:15:28

620

Views

Existence of a unique "outer" normal vector

Published on 25 Mar 2026 - 1:15

score 276 · Answer 5 · 2018-07-01 11:18:46

276

Views

Definition of integration of forms over manifolds, Spivak.

Published on 01 Jul 2018 - 11:18

score 109 · Answer 6 · 2018-07-01 19:41:17

109

Views

How decomposition of prime 3-manifold along incompressible tori help in classification of 3-manifolds

Published on 01 Jul 2018 - 19:41

score 1.1k · Answer 7 · 2018-06-21 07:51:36

1.1k

Views

Poincaré lemma for star shaped domain

Published on 21 Jun 2018 - 7:51

score 405 · Answer 8 · 2018-07-03 04:45:18

405

Views

$G$ acts properly discontinuous upon $\mathbb{R}$ so $G\cong\mathbb{Z}$

Published on 03 Jul 2018 - 4:45

score 69 · Answer 9 · 2026-03-26 21:35:35

69

Views

Application of inverse function theorem on map between manifolds

Published on 26 Mar 2026 - 21:35

score 782 · Answer 10 · 2026-03-25 09:35:44

782

Views

Understanding the low-rank manifold

Published on 25 Mar 2026 - 9:35

score 93 · Answer 11 · 2026-03-26 21:25:31

93

Views

Differentiability of a function between manifolds

Published on 26 Mar 2026 - 21:25

score 2.4k · Answer 12 · 2018-07-04 20:34:21

2.4k

Views

If $n$ is odd then $\mathbb{R}P^n$ is orientable

Published on 04 Jul 2018 - 20:34

score 297 · Answer 13 · 2026-03-26 23:10:40

297

Views

prove that a manifold $M$ can be covered by a countable collection of neighbourhoods each diffeomorphic to an open subset of $\mathbb R^m$

Published on 26 Mar 2026 - 23:10

score 89 · Answer 14 · 2026-03-25 09:31:59

89

Views

Folitaion of $\mathbb R^n$ by compact leaves

Published on 25 Mar 2026 - 9:31

score 130 · Answer 15 · 2026-03-25 03:18:01

130

Views

Showing a certain bundle is trivial

Published on 25 Mar 2026 - 3:18

List Question

If $X \times Y$ is Separable, are $X, Y$ Separable?

Proving three circles of radius 1 centred at $(0,0), (2,0), (4,0)$ homotopy equivalent to $^1∨^1∨^1$

Can we find a curve that covers the unit sphere s.t any point $x$ on the unit sphere $S^2$, the curve passes through $x$ at least once?

Existence of a unique "outer" normal vector

Definition of integration of forms over manifolds, Spivak.

How decomposition of prime 3-manifold along incompressible tori help in classification of 3-manifolds

Poincaré lemma for star shaped domain

$G$ acts properly discontinuous upon $\mathbb{R}$ so $G\cong\mathbb{Z}$

Application of inverse function theorem on map between manifolds

Understanding the low-rank manifold

Differentiability of a function between manifolds

If $n$ is odd then $\mathbb{R}P^n$ is orientable

prove that a manifold $M$ can be covered by a countable collection of neighbourhoods each diffeomorphic to an open subset of $\mathbb R^m$

Folitaion of $\mathbb R^n$ by compact leaves

Showing a certain bundle is trivial

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