List questions from discrete-geometry

Published on 19 Mar 2026 - 2:16

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Discrete points curvature analysis

Published on 20 Mar 2026 - 6:30

107

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Is it a tetrahedron, 5-cell, or something else?

Published on 19 Mar 2026 - 22:42

227

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Is there a volume formula for hyperbolic tetrahedron

Published on 24 Mar 2026 - 19:27

42

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Size of $X\setminus g(X)$ for $g(x)$ the closest $y$ to $x$ with $X_k\sim Unif(A)$

Published on 19 Mar 2026 - 18:35

96

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The permutations of (1,1,0,0), (-1,1,0,0), (-1,-1,0,0) are vertices of a polytope.

Published on 17 Mar 2026 - 17:10

51

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What means the modular operator in that proof?

Published on 20 Mar 2026 - 21:05

505

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Schlegel diagram and d-diagram

Published on 19 Mar 2026 - 13:59

56

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volumetric discrete Laplacian

Published on 20 Mar 2026 - 6:35

170

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What are some examples of 2-polytope/3-polytope that are not simple?

Published on 24 Mar 2026 - 18:42

912

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What is the exact value of the radius in the Six Disks Problem?

Published on 20 Mar 2026 - 12:56

152

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How to list all circuits of an oriented matroid and all circuits of its contraction of a vertex by hand?

Published on 20 Mar 2026 - 20:22

275

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Relationship between Affine Dependence and Linear Dependence in Oriented Matroids?

Published on 17 Mar 2026 - 13:22

73

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Contraction of oriented matroid as related to polytope?

Published on 21 Mar 2026 - 15:25

203

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How to read off the facets of polytopes from their Gale diagrams and affine Gale diagrams?

Published on 25 Mar 2026 - 1:18

List Question

Properties of triangles with integer sides and area

Discrete points curvature analysis

Is it a tetrahedron, 5-cell, or something else?

Is there a volume formula for hyperbolic tetrahedron

Size of $X\setminus g(X)$ for $g(x)$ the closest $y$ to $x$ with $X_k\sim Unif(A)$

The permutations of (1,1,0,0), (-1,1,0,0), (-1,-1,0,0) are vertices of a polytope.

What means the modular operator in that proof?

Schlegel diagram and d-diagram

volumetric discrete Laplacian

What are some examples of 2-polytope/3-polytope that are not simple?

What is the exact value of the radius in the Six Disks Problem?

How to list all circuits of an oriented matroid and all circuits of its contraction of a vertex by hand?

Relationship between Affine Dependence and Linear Dependence in Oriented Matroids?

Contraction of oriented matroid as related to polytope?

How to read off the facets of polytopes from their Gale diagrams and affine Gale diagrams?

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