Question

Minimizing the sum of the six distances determined by four points in the plane, if each distance is at least $d$

score 413 · Answer 1 · 2026-03-28 15:21:21

413

Views

Minimizing the sum of the six distances determined by four points in the plane, if each distance is at least $d$

Published on 28 Mar 2026 - 15:21

score 776 · Answer 2 · 2026-03-28 10:54:46

776

Views

Tiling the plane with consecutive squares

Published on 28 Mar 2026 - 10:54

score 1.2k · Answer 3 · 2020-08-01 16:01:15

1.2k

Views

Why can we cover $\mathbb R^N$ with open balls of radius $r$ such that each point is in at most $N + 1$ balls?

Published on 01 Aug 2020 - 16:01

score 100 · Answer 4 · 2020-08-03 19:09:47

100

Views

What is the minimum size of a circle that circumscribes N vertices of equilateral triangles?

Published on 03 Aug 2020 - 19:09

score 99 · Answer 5 · 2026-03-27 01:44:59

99

Views

Tiling the plane with non-similar triangles with restictions

Published on 27 Mar 2026 - 1:44

score 29 · Answer 6 · 2026-03-26 12:50:40

29

Views

What arrangement of 8 each of these 4 different compound leapers has the "strongest coverage properties" on a $16\times 16$ board?

Published on 26 Mar 2026 - 12:50

score 71 · Answer 7 · 2020-08-17 12:25:30

71

Views

Lower a polytope into the water $-$ are vertices at the water level connected to those at the bottom?

Published on 17 Aug 2020 - 12:25

score 82 · Answer 8 · 2020-08-23 07:04:31

82

Views

How do the distance spectra of imaginary and real roots of uniform tilings relate?

Published on 23 Aug 2020 - 7:04

score 621 · Answer 9 · 2020-08-23 12:50:01

621

Views

There are given $n$ points on plane. Prove that there are not more than $n$ pairs of vertices, distance between which is exactly $d$

Published on 23 Aug 2020 - 12:50

score 161 · Answer 10 · 2026-03-28 06:06:58

161

Views

Building "oppositely bitten rectangles" with consecutive squares

Published on 28 Mar 2026 - 6:06

score 239 · Answer 11 · 2020-08-26 13:16:03

239

Views

Zigzags and Collinear Lattice Points

Published on 26 Aug 2020 - 13:16

score 172 · Answer 12 · 2026-03-26 20:40:49

172

Views

Number of convex polyhedra whose faces are regular polygons and whose largest face is an $n$-gon

Published on 26 Mar 2026 - 20:40

score 459 · Answer 13 · 2020-09-05 19:25:20

459

Views

The maximum number of right triangles formed by $n$ points in the plane

Published on 05 Sep 2020 - 19:25

score 75 · Answer 14 · 2020-09-06 06:29:02

75

Views

Number of convex polygons in chess board

Published on 06 Sep 2020 - 6:29

score 185 · Answer 15 · 2020-09-06 11:23:11

185

Views

Binomial identity of alternating sum of products of binomial coefficients taken two at a time

Published on 06 Sep 2020 - 11:23

List Question

Minimizing the sum of the six distances determined by four points in the plane, if each distance is at least $d$

Tiling the plane with consecutive squares

Why can we cover $\mathbb R^N$ with open balls of radius $r$ such that each point is in at most $N + 1$ balls?

What is the minimum size of a circle that circumscribes N vertices of equilateral triangles?

Tiling the plane with non-similar triangles with restictions

What arrangement of 8 each of these 4 different compound leapers has the "strongest coverage properties" on a $16\times 16$ board?

Lower a polytope into the water $-$ are vertices at the water level connected to those at the bottom?

How do the distance spectra of imaginary and real roots of uniform tilings relate?

There are given $n$ points on plane. Prove that there are not more than $n$ pairs of vertices, distance between which is exactly $d$

Building "oppositely bitten rectangles" with consecutive squares

Zigzags and Collinear Lattice Points

Number of convex polyhedra whose faces are regular polygons and whose largest face is an $n$-gon

The maximum number of right triangles formed by $n$ points in the plane

Number of convex polygons in chess board

Binomial identity of alternating sum of products of binomial coefficients taken two at a time

Trending Questions

Popular # Hahtags

Popular Questions