Question

Are surfaces (equivalent to) continuous maps from rectangles?

score 12 · Answer 1 · 2026-02-26 22:32:41

12

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Are surfaces (equivalent to) continuous maps from rectangles?

Published on 26 Feb 2026 - 22:32

score 99 · Answer 2 · 2026-04-06 14:55:40

99

Views

Homotop a homotopy-equivalence of $S_g$ to make the inverse image of an embedded circle to be a single circle

Published on 06 Apr 2026 - 14:55

score 57 · Answer 3 · 2026-04-08 17:56:51

57

Views

$z=x=y$ in $\Bbb R^3$

Published on 08 Apr 2026 - 17:56

score 159 · Answer 4 · 2026-04-02 18:28:35

159

Views

Prove that the normal curvature satisfies $\left|k_{n}\right| \geq 1 /|p|$

Published on 02 Apr 2026 - 18:28

score 474 · Answer 5 · 2021-03-18 10:54:32

474

Views

Proving that Gauss map $N: S \rightarrow \mathbb{S}^{2}$ is surjective

Published on 18 Mar 2021 - 10:54

score 267 · Answer 6 · 2021-03-18 17:41:42

267

Views

Asymptotic curves of hyperboloid of one sheet

Published on 18 Mar 2021 - 17:41

score 213 · Answer 7 · 2021-03-19 19:31:07

213

Views

Understanding a local definition of the gradient

Published on 19 Mar 2021 - 19:31

score 27 · Answer 8 · 2026-04-08 03:17:17

27

Views

Help on finding level curves for a function

Published on 08 Apr 2026 - 3:17

score 70 · Answer 9 · 2026-04-06 14:55:31

70

Views

Can the infinite jungle gym surface be expressed by an exhaustion of compact surfaces with one boundary component?

Published on 06 Apr 2026 - 14:55

score 68 · Answer 10 · 2021-03-22 14:55:15

68

Views

How to model a rotated cardioid with mesh density relative to surface tangent?

Published on 22 Mar 2021 - 14:55

score 1.3k · Answer 11 · 2021-03-22 15:39:02

1.3k

Views

Show that if all the normal lines to a surface pass through a fixed point, then the surface is (a portion of) a sphere.

Published on 22 Mar 2021 - 15:39

score 123 · Answer 12 · 2021-03-23 15:12:07

123

Views

Detail in Massey's Classification Theorem for Compact Surfaces

Published on 23 Mar 2021 - 15:12

score 56 · Answer 13 · 2026-03-27 02:01:25

56

Views

If $D$ is nef, then $h^1(D)=h^2(D)=0$

Published on 27 Mar 2026 - 2:01

score 293 · Answer 14 · 2026-04-04 21:09:49

293

Views

Is there a connected $n$-sheeted covering space of a closed orientable surface for any positive integer $n$?

Published on 04 Apr 2026 - 21:09

score 18 · Answer 15 · 2021-03-25 17:40:02

M regular surface if $rank\frac{\partial \left(\Psi ^1\left(x\right),..,\Psi \:^s\left(x\right)\right)\:}{\partial \left(x^1,..,x^s\right)\:}=s$,why?

List Question

Are surfaces (equivalent to) continuous maps from rectangles?

Homotop a homotopy-equivalence of $S_g$ to make the inverse image of an embedded circle to be a single circle

$z=x=y$ in $\Bbb R^3$

Prove that the normal curvature satisfies $\left|k_{n}\right| \geq 1 /|p|$

Proving that Gauss map $N: S \rightarrow \mathbb{S}^{2}$ is surjective

Asymptotic curves of hyperboloid of one sheet

Understanding a local definition of the gradient

Help on finding level curves for a function

Can the infinite jungle gym surface be expressed by an exhaustion of compact surfaces with one boundary component?

How to model a rotated cardioid with mesh density relative to surface tangent?

Show that if all the normal lines to a surface pass through a fixed point, then the surface is (a portion of) a sphere.

Detail in Massey's Classification Theorem for Compact Surfaces

If $D$ is nef, then $h^1(D)=h^2(D)=0$

Is there a connected $n$-sheeted covering space of a closed orientable surface for any positive integer $n$?

M regular surface if $rank\frac{\partial \left(\Psi ^1\left(x\right),..,\Psi \:^s\left(x\right)\right)\:}{\partial \left(x^1,..,x^s\right)\:}=s$,why?

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