List questions from discrete-geometry

Published on 23 Mar 2026 - 1:36

681

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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 24 Mar 2026 - 9:31

512

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Numerical approximation of principal curvature

Published on 24 Mar 2026 - 19:47

3.2k

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How few disks are needed to cover a square efficiently?

Published on 14 Aug 2018 - 12:21

53

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

Published on 18 Aug 2018 - 21:02

1.8k

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Tangent lines to polygon on logarithmic time.

Published on 10 Sep 2018 - 16:59

24

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

Published on 17 Sep 2018 - 2:18

67

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

Published on 23 Sep 2018 - 21:10

357

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Convex hull of union of nondisjoint polyhedra

Published on 25 Mar 2026 - 1:28

54

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

Published on 02 Nov 2018 - 8:11

80

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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 08 Nov 2018 - 21:59

597

Views

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

Published on 12 Nov 2018 - 18:58

149

Views

Packing densities in grid world

Published on 16 Nov 2018 - 21:32

267

Views

Determining finitude or infinitude from a simple geometric construction

Published on 21 Nov 2018 - 22:10

502

Views

Rosenfeld's $7 \times 7$ square puzzle

Published on 23 Nov 2018 - 14:46

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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