Question

Let $S = \{(x,y,z)\in \mathbb{R}^3 : z = 0, x^2+y^2\leq 1\}$ and $W = \{(x,y,z)\in \mathbb{R}^3 : z = 0, x^2+y^2< 1\}$ are those regular surfaces?

score 44 · Answer 1 · 2022-10-19 02:37:09

Let $S = \{(x,y,z)\in \mathbb{R}^3 : z = 0, x^2+y^2\leq 1\}$ and $W = \{(x,y,z)\in \mathbb{R}^3 : z = 0, x^2+y^2< 1\}$ are those regular surfaces?

score 88 · Answer 2 · 2022-10-19 15:11:34

88

Views

Length of boundary of level set

Published on 19 Oct 2022 - 15:11

score 775 · Answer 3 · 2026-04-12 05:00:32

775

Views

Show that the hyperboloid of one sheet is a doubly ruled surface.

Published on 12 Apr 2026 - 5:00

score 166 · Answer 4 · 2026-04-12 04:47:32

166

Views

Blow up of the sphere

Published on 12 Apr 2026 - 4:47

score 97 · Answer 5 · 2026-04-12 02:56:53

97

Views

Rate of change of a function

Published on 12 Apr 2026 - 2:56

score 52 · Answer 6 · 2026-04-12 10:44:32

52

Views

Why do we say that $A \propto P^2$ for mathematical objects of $\mathbb R ^2$?

Published on 12 Apr 2026 - 10:44

score 30 · Answer 7 · 2022-10-26 06:55:25

30

Views

Smooth parametrized surface of $x^2+y-z^2=1$

Published on 26 Oct 2022 - 6:55

score 32 · Answer 8 · 2022-10-26 19:55:51

32

Views

How to complete the square of this surface so that we can identify the type of surface?

Published on 26 Oct 2022 - 19:55

score 16 · Answer 9 · 2026-04-11 08:31:59

16

Views

Intersection of surfaces to obtain a hyperbola

Published on 11 Apr 2026 - 8:31

score 115 · Answer 10 · 2026-04-12 06:41:41

115

Views

Using the moving frame method to calculate the Gaussian Curvature of a Rotational Surface

Published on 12 Apr 2026 - 6:41

score 171 · Answer 11 · 2026-03-26 19:03:10

171

Views

Regarding the Defintion of Hirzebruch Surfaces $\mathbb{F}_n$

Published on 26 Mar 2026 - 19:03

score 26 · Answer 12 · 2022-11-02 17:48:56

26

Views

Constant Length Line moving within an Oval Boundary

Published on 02 Nov 2022 - 17:48

score 83 · Answer 13 · 2026-03-25 19:04:24

83

Views

What is the mapping class group of an annulus with two marked points?

Published on 25 Mar 2026 - 19:04

score 261 · Answer 14 · 2026-04-10 05:55:39

261

Views

Difference between smooth surface and regular surface

Published on 10 Apr 2026 - 5:55

score 59 · Answer 15 · 2026-03-27 04:57:11

59

Views

Smooth 4-genus not agreeing with topological 4-genus intuition

Published on 27 Mar 2026 - 4:57

List Question

Let $S = \{(x,y,z)\in \mathbb{R}^3 : z = 0, x^2+y^2\leq 1\}$ and $W = \{(x,y,z)\in \mathbb{R}^3 : z = 0, x^2+y^2< 1\}$ are those regular surfaces?

Length of boundary of level set

Show that the hyperboloid of one sheet is a doubly ruled surface.

Blow up of the sphere

Rate of change of a function

Why do we say that $A \propto P^2$ for mathematical objects of $\mathbb R ^2$?

Smooth parametrized surface of $x^2+y-z^2=1$

How to complete the square of this surface so that we can identify the type of surface?

Intersection of surfaces to obtain a hyperbola

Using the moving frame method to calculate the Gaussian Curvature of a Rotational Surface

Regarding the Defintion of Hirzebruch Surfaces $\mathbb{F}_n$

Constant Length Line moving within an Oval Boundary

What is the mapping class group of an annulus with two marked points?

Difference between smooth surface and regular surface

Smooth 4-genus not agreeing with topological 4-genus intuition

Trending Questions

Popular # Hahtags

Popular Questions