List questions from spheres

Published on 01 May 2020 - 13:15

75

Views

How to write a function that describes a thin spherical shell?

Published on 25 Mar 2026 - 5:58

428

Views

every map $S^4\to S^2\times S^2$ has degree $0$

Published on 27 Mar 2026 - 18:38

374

Views

A sphere cuts the coordinate axes at points P,Q,R and also passes through the origin. Then which of the equations is satisfied?

Published on 03 May 2020 - 18:46

185

Views

Parametric equation for filled sphere

Published on 05 May 2020 - 8:24

1.2k

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Figuring out the bounds the triple integral over region inside x^2+y^2+z^2=1 and above the cone z = sqrt(x^2+y^2)

Published on 27 Mar 2026 - 5:41

7k

Views

Why is the euler characteristic of a sphere 2?

Published on 27 Mar 2026 - 16:21

106

Views

A different perspective of sphere eversion?

Published on 10 May 2020 - 16:41

123

Views

A sphere can be everted, but a spherical vector field can not - why?

Published on 11 May 2020 - 15:18

1k

Views

Volume and surface area of $3/4$ of a sphere

Published on 13 May 2020 - 4:25

90

Views

Finding the dimension of the sphere cube

Published on 25 Mar 2026 - 21:47

30

Views

Calculate $\int_{S^{n-1}} x_1x_2 dS$

Published on 14 May 2020 - 14:34

206

Views

Two-point equidistant projection of the sphere

Published on 27 Mar 2026 - 16:37

67

Views

Why does the Gromoll-Meyer Sphere have dimension $7$?

Published on 27 Mar 2026 - 15:35

167

Views

Does an analogue of the sphere theorem hold in higher dimensions?

Published on 16 May 2020 - 1:50

List Question

Vector fields on a sphere

How to write a function that describes a thin spherical shell?

every map $S^4\to S^2\times S^2$ has degree $0$

A sphere cuts the coordinate axes at points P,Q,R and also passes through the origin. Then which of the equations is satisfied?

Parametric equation for filled sphere

Figuring out the bounds the triple integral over region inside x^2+y^2+z^2=1 and above the cone z = sqrt(x^2+y^2)

Why is the euler characteristic of a sphere 2?

A different perspective of sphere eversion?

A sphere can be everted, but a spherical vector field can not - why?

Volume and surface area of $3/4$ of a sphere

Finding the dimension of the sphere cube

Calculate $\int_{S^{n-1}} x_1x_2 dS$

Two-point equidistant projection of the sphere

Why does the Gromoll-Meyer Sphere have dimension $7$?

Does an analogue of the sphere theorem hold in higher dimensions?

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