Question

Consider $f: S^1 \to$ Figure Eight. $f$ is an immersion, but how?

score 607 · Answer 1 · 2016-09-08 18:28:26

607

Views

Consider $f: S^1 \to$ Figure Eight. $f$ is an immersion, but how?

Published on 08 Sep 2016 - 18:28

score 1.7k · Answer 2 · 2026-03-26 15:36:41

1.7k

Views

Understanding Poincare Duality

Published on 26 Mar 2026 - 15:36

score 138 · Answer 3 · 2016-09-09 17:29:44

138

Views

"The sum of vector spaces in the transversality condition need not be direct."

Published on 09 Sep 2016 - 17:29

score 72 · Answer 4 · 2016-09-09 18:41:42

72

Views

Find the largest subset in complex parabola such that every point in the subset has a neighborhood homeomorphic to a complex open disk

Published on 09 Sep 2016 - 18:41

score 1.3k · Answer 5 · 2016-09-10 04:50:34

1.3k

Views

Example of a space that is locally homeomorhpic to $\mathbb{R}^n$ but not Hausdorff

Published on 10 Sep 2016 - 4:50

score 58 · Answer 6 · 2026-03-26 12:50:36

58

Views

Let $X, Y$ be smooth manifolds. The, for $p : X \times Y \to X$ the projection, is $p^*$ on complexes of sheaves exact?

Published on 26 Mar 2026 - 12:50

score 358 · Answer 7 · 2026-03-29 16:21:01

358

Views

Intuition behind the concept of points "near infinity" in topology

Published on 29 Mar 2026 - 16:21

score 2.1k · Answer 8 · 2026-03-30 04:53:32

2.1k

Views

Understanding Vector Bundles Over Spheres

Published on 30 Mar 2026 - 4:53

score 2.3k · Answer 9 · 2016-09-12 18:11:55

2.3k

Views

How to show that $\Bbb R^m$ is not diffeomorphic to $\Bbb R^n$ when $n \neq m$

Published on 12 Sep 2016 - 18:11

score 69 · Answer 10 · 2016-09-13 00:42:00

69

Views

What is meant by the notation $\mathbb{R}^{p \vert q}$?

Published on 13 Sep 2016 - 0:42

score 330 · Answer 11 · 2016-09-13 02:54:11

330

Views

Does any homeomorphism between these two manifolds factor through a higher-dimensional space?

Published on 13 Sep 2016 - 2:54

score 122 · Answer 12 · 2016-09-14 00:09:04

122

Views

"diffeomorphically inequivalent" functions?

Published on 14 Sep 2016 - 0:09

score 42 · Answer 13 · 2016-09-14 11:51:35

42

Views

Show that the degree is continuous in the $W^{1,n}$ norm.

Published on 14 Sep 2016 - 11:51

score 2.5k · Answer 14 · 2026-04-01 15:49:36

2.5k

Views

Differential of a function between manifolds

Published on 01 Apr 2026 - 15:49

score 907 · Answer 15 · 2026-04-01 17:27:56

907

Views

Cap product in De Rham cohomology?

Published on 01 Apr 2026 - 17:27

List Question

Consider $f: S^1 \to$ Figure Eight. $f$ is an immersion, but how?

Understanding Poincare Duality

"The sum of vector spaces in the transversality condition need not be direct."

Find the largest subset in complex parabola such that every point in the subset has a neighborhood homeomorphic to a complex open disk

Example of a space that is locally homeomorhpic to $\mathbb{R}^n$ but not Hausdorff

Let $X, Y$ be smooth manifolds. The, for $p : X \times Y \to X$ the projection, is $p^*$ on complexes of sheaves exact?

Intuition behind the concept of points "near infinity" in topology

Understanding Vector Bundles Over Spheres

How to show that $\Bbb R^m$ is not diffeomorphic to $\Bbb R^n$ when $n \neq m$

What is meant by the notation $\mathbb{R}^{p \vert q}$?

Does any homeomorphism between these two manifolds factor through a higher-dimensional space?

"diffeomorphically inequivalent" functions?

Show that the degree is continuous in the $W^{1,n}$ norm.

Differential of a function between manifolds

Cap product in De Rham cohomology?

Trending Questions

Popular # Hahtags

Popular Questions