Question

Obtaining an ellipse when a sphere is cut with a plane

score 201 · Answer 1 · 2023-02-17 14:39:53

201

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Obtaining an ellipse when a sphere is cut with a plane

Published on 17 Feb 2023 - 14:39

score 168 · Answer 2 · 2026-03-26 19:18:58

168

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In what sense is the sphere the limit of convex polyhedra?

Published on 26 Mar 2026 - 19:18

score 81 · Answer 3 · 2023-02-22 20:36:56

81

Views

Vector field that vanishes in a non empty open set of $S^2$.

Published on 22 Feb 2023 - 20:36

score 414 · Answer 4 · 2026-03-26 20:39:38

414

Views

Is it possible to uniformly subdivide a sphere into arbitrarily small cells?

Published on 26 Mar 2026 - 20:39

score 43 · Answer 5 · 2023-03-02 17:15:04

43

Views

Formula $D + B - S =1$ from The Geometry Center's "Outside In" YouTube Video

Published on 02 Mar 2023 - 17:15

score 86 · Answer 6 · 2026-03-26 01:34:54

86

Views

Reference request: Every self-diffeomorphism of $S^3$ is isotopic to the identity

Published on 26 Mar 2026 - 1:34

score 31 · Answer 7 · 2023-03-03 18:20:42

31

Views

How fast does finite random walk on sphere converge to uniform?

Published on 03 Mar 2023 - 18:20

score 53 · Answer 8 · 2026-03-25 18:51:15

53

Views

Passing on from one totally-geodesic submanifold to other using the exponential map (for $\mathbb{S}^n$)

Published on 25 Mar 2026 - 18:51

score 97 · Answer 9 · 2023-03-07 02:59:10

97

Views

What is the physical meaning of the 2nd derivative of the volume of a sphere?

Published on 07 Mar 2023 - 2:59

score 41 · Answer 10 · 2026-02-23 06:21:59

41

Views

Lemma for the Bescicovitch covering lemma

Published on 23 Feb 2026 - 6:21

score 272 · Answer 11 · 2023-03-08 11:47:55

272

Views

Show that the spheres, which cut two given spheres along a great circle, all pass through two fixed points.

Published on 08 Mar 2023 - 11:47

score 982 · Answer 12 · 2026-03-13 10:40:36

982

Views

Does a sphere really have an area of 41,000 square degrees?

Published on 13 Mar 2026 - 10:40

score 115 · Answer 13 · 2026-03-28 00:30:24

115

Views

How to get the exact cutoff angle for a given latitude in a spherical orthographic projection?

Published on 28 Mar 2026 - 0:30

score 79 · Answer 14 · 2026-03-26 22:50:07

79

Views

Surface area - even dimensions

Published on 26 Mar 2026 - 22:50

score 99 · Answer 15 · 2026-03-28 06:18:01

99

Views

What is the minimum number of facets needed to fit a convex polytope between two concentric spheres?

Published on 28 Mar 2026 - 6:18

List Question

Obtaining an ellipse when a sphere is cut with a plane

In what sense is the sphere the limit of convex polyhedra?

Vector field that vanishes in a non empty open set of $S^2$.

Is it possible to uniformly subdivide a sphere into arbitrarily small cells?

Formula $D + B - S =1$ from The Geometry Center's "Outside In" YouTube Video

Reference request: Every self-diffeomorphism of $S^3$ is isotopic to the identity

How fast does finite random walk on sphere converge to uniform?

Passing on from one totally-geodesic submanifold to other using the exponential map (for $\mathbb{S}^n$)

What is the physical meaning of the 2nd derivative of the volume of a sphere?

Lemma for the Bescicovitch covering lemma

Show that the spheres, which cut two given spheres along a great circle, all pass through two fixed points.

Does a sphere really have an area of 41,000 square degrees?

How to get the exact cutoff angle for a given latitude in a spherical orthographic projection?

Surface area - even dimensions

What is the minimum number of facets needed to fit a convex polytope between two concentric spheres?

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