Question

Conjugating rotation by another rotation

score 302 · Answer 1 · 2026-04-03 15:17:05

302

Views

Conjugating rotation by another rotation

Published on 03 Apr 2026 - 15:17

score 500 · Answer 2 · 2026-04-14 00:05:24

500

Views

Size of a point.

Published on 14 Apr 2026 - 0:05

score 70 · Answer 3 · 2026-04-12 15:01:28

70

Views

Partitioning a convex object without cutting existing convex subsets

Published on 12 Apr 2026 - 15:01

score 498 · Answer 4 · 2026-04-16 05:50:24

498

Views

Four Spheres Intersect Along Circles: Prove That Circles' Planes Are Either $\parallel$ to The Same Line, Or Have a Common Point

Published on 16 Apr 2026 - 5:50

score 53 · Answer 5 · 2026-04-12 16:46:50

53

Views

Probably very basic Euclidean geometry; Why is the following expression valid for a point along a straight line?

Published on 12 Apr 2026 - 16:46

score 33 · Answer 6 · 2026-04-20 14:00:17

33

Views

Finding $y_{A,i}$ and $y_{B,i}$ in this geometric relationship problem.

Published on 20 Apr 2026 - 14:00

score 101 · Answer 7 · 2026-04-12 01:12:13

101

Views

Common Intersection Point of ellipsoids

Published on 12 Apr 2026 - 1:12

score 7.9k · Answer 8 · 2026-04-16 01:28:03

7.9k

Views

Prove that $u\cdot v = 1/4||u+v||^2 - 1/4||u-v||^2$ for all vectors $u$ and $v$ in $\mathbb{R}^n$

Published on 16 Apr 2026 - 1:28

score 105 · Answer 9 · 2026-03-26 01:34:38

105

Views

$\pi$ is dependent on properties of geometry, assuming that we define it as $C/d$. Could then the $\pi$ also be an integer?

Published on 26 Mar 2026 - 1:34

score 144 · Answer 10 · 2026-04-10 21:06:52

144

Views

Two new conics associated with two triangles inscribed a conic

Published on 10 Apr 2026 - 21:06

score 81 · Answer 11 · 2026-04-10 20:48:58

81

Views

Concurrence through a triangle

Published on 10 Apr 2026 - 20:48

score 28 · Answer 12 · 2026-04-24 04:04:08

28

Views

Property of all k-dimesional shapes

Published on 24 Apr 2026 - 4:04

score 156 · Answer 13 · 2026-04-14 18:24:29

156

Views

Proving that union of epsilon nets is an epsilon net

Published on 14 Apr 2026 - 18:24

score 74 · Answer 14 · 2026-04-16 08:33:49

74

Views

The rectangle-partition number and the number of horizontral edges

Published on 16 Apr 2026 - 8:33

score 200 · Answer 15 · 2026-03-28 20:22:27

200

Views

I have a convex hull with the facets in 3D. How do I compute the volume?

Published on 28 Mar 2026 - 20:22

List Question

Conjugating rotation by another rotation

Size of a point.

Partitioning a convex object without cutting existing convex subsets

Four Spheres Intersect Along Circles: Prove That Circles' Planes Are Either $\parallel$ to The Same Line, Or Have a Common Point

Probably very basic Euclidean geometry; Why is the following expression valid for a point along a straight line?

Finding $y_{A,i}$ and $y_{B,i}$ in this geometric relationship problem.

Common Intersection Point of ellipsoids

Prove that $u\cdot v = 1/4||u+v||^2 - 1/4||u-v||^2$ for all vectors $u$ and $v$ in $\mathbb{R}^n$

$\pi$ is dependent on properties of geometry, assuming that we define it as $C/d$. Could then the $\pi$ also be an integer?

Two new conics associated with two triangles inscribed a conic

Concurrence through a triangle

Property of all k-dimesional shapes

Proving that union of epsilon nets is an epsilon net

The rectangle-partition number and the number of horizontral edges

I have a convex hull with the facets in 3D. How do I compute the volume?

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