List questions from discrete-geometry

Published on 06 May 2026 - 23:56

684

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Two points no matter how you choose from the six points in the unit disk are at distance at most 1?

Published on 28 Apr 2026 - 2:24

513

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Numerical approximation of principal curvature

Published on 25 Mar 2026 - 4:39

3.2k

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How few disks are needed to cover a square efficiently?

Published on 10 Apr 2026 - 6:17

56

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Changing arrangement of square's vertices with a bijective continuous map in plane.

Published on 14 Apr 2026 - 8:05

1.8k

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Tangent lines to polygon on logarithmic time.

Published on 12 Apr 2026 - 12:09

27

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Maximum size of an "open convex polygon" made by intersection of lines?

Published on 15 Apr 2026 - 9:00

70

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Example of discrete subspace on a plane which has a closure of continuum?

Published on 14 Apr 2026 - 17:55

361

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Convex hull of union of nondisjoint polyhedra

Published on 10 May 2026 - 15:09

57

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Find largest $a, b \in \mathbb{N}$ so that $a \times b \geq n$

Published on 17 Apr 2026 - 15:12

83

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Is it possible to arrange $p^2$ points on $p^2$ lines so that there are $p$ points on each line?

Published on 13 Apr 2026 - 18:18

599

Views

Minimum distance required to travel to "see" all points on a hypercube

Published on 17 Apr 2026 - 10:07

156

Views

Packing densities in grid world

Published on 24 Apr 2026 - 3:02

270

Views

Determining finitude or infinitude from a simple geometric construction

Published on 13 Apr 2026 - 22:03

505

Views

Rosenfeld's $7 \times 7$ square puzzle

Published on 14 Apr 2026 - 0:50

List Question

What are the facets of the Birkhoff Polytope when $n=2$?

Two points no matter how you choose from the six points in the unit disk are at distance at most 1?

Numerical approximation of principal curvature

How few disks are needed to cover a square efficiently?

Changing arrangement of square's vertices with a bijective continuous map in plane.

Tangent lines to polygon on logarithmic time.

Maximum size of an "open convex polygon" made by intersection of lines?

Example of discrete subspace on a plane which has a closure of continuum?

Convex hull of union of nondisjoint polyhedra

Find largest $a, b \in \mathbb{N}$ so that $a \times b \geq n$

Is it possible to arrange $p^2$ points on $p^2$ lines so that there are $p$ points on each line?

Minimum distance required to travel to "see" all points on a hypercube

Packing densities in grid world

Determining finitude or infinitude from a simple geometric construction

Rosenfeld's $7 \times 7$ square puzzle

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