List questions from discrete-geometry

Published on 23 Feb 2026 - 13:32

93

Views

Intersection points convex hull and grid

Published on 27 Mar 2026 - 7:11

98

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Triangle inscribed and circumscribed gap-filling radii sequences distinct?

Published on 25 Mar 2026 - 7:43

50

Views

Do discrete geometric objects exist in the same space as non-discrete geometric object?

Published on 11 Dec 2020 - 2:49

282

Views

Tetrahedron circumradius in high dimensions

Published on 16 Dec 2020 - 22:54

376

Views

Intersection of a pointed cone and a hyperplane is a polytope?

Published on 25 Mar 2026 - 20:35

253

Views

Cubes inscribed into a sphere

Published on 09 Jan 2021 - 7:35

60

Views

Which reflection groups contain central inversion?

Published on 10 Jan 2021 - 16:00

229

Views

If $Q$ is a polyhedron with lineality space $L$, then dim$(Q)$ = dim$(Q/L)$ + dim$(L)$, where $Q/L$ is $Q$ with $L$ “modded out”.

Published on 10 Jan 2021 - 16:50

456

Views

Is this proof of Carathéodory's theorem valid?

Published on 12 Jan 2021 - 21:23

53

Views

Points in space

Published on 15 Jan 2021 - 10:20

301

Views

To prove that the intersection of the given sets is not empty

Published on 16 Jan 2021 - 5:50

41

Views

VCdim of a range space that consists of all open disks of the R^d for some d

Published on 16 Jan 2021 - 13:07

41

Views

Is there a largest minimal non-guillotine pattern?

Published on 28 Mar 2026 - 7:57

28

Views

Covering compact convex $-C \subseteq \mathbb{R}^d$ with $x+dC$ for some $x \in \mathbb{R}^d$: counterexample?

Published on 18 Jan 2021 - 19:38

List Question

Best algorithm for convex hull membership problem

Intersection points convex hull and grid

Triangle inscribed and circumscribed gap-filling radii sequences distinct?

Do discrete geometric objects exist in the same space as non-discrete geometric object?

Tetrahedron circumradius in high dimensions

Intersection of a pointed cone and a hyperplane is a polytope?

Cubes inscribed into a sphere

Which reflection groups contain central inversion?

If $Q$ is a polyhedron with lineality space $L$, then dim$(Q)$ = dim$(Q/L)$ + dim$(L)$, where $Q/L$ is $Q$ with $L$ “modded out”.

Is this proof of Carathéodory's theorem valid?

Points in space

To prove that the intersection of the given sets is not empty

VCdim of a range space that consists of all open disks of the R^d for some d

Is there a largest minimal non-guillotine pattern?

Covering compact convex $-C \subseteq \mathbb{R}^d$ with $x+dC$ for some $x \in \mathbb{R}^d$: counterexample?

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