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15
268
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Is every finite descending sequence in [0,1] in convex hull of certain points?

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#inequality #polytopes #convex-hulls
79
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Can we really move disks around a compact surface like this?

Published on
#manifolds #surfaces #polytopes #low-dimensional-topology
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
#polytopes #discrete-geometry #convex-geometry
43
Views

Smoothness of a polytope

Published on
#geometry #polytopes
505
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Schlegel diagram and d-diagram

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#discrete-mathematics #polytopes #discrete-geometry
719
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How to find the "interior boundary" for a set of points?

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#geometry #convex-optimization #polyhedra #mobius-transformation #polytopes
93
Views

Simplicial polytope in $\mathbb{R}^n$ with $n+2$ vertices

Published on
#polytopes
170
Views

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

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#discrete-mathematics #polytopes #discrete-geometry
73
Views

Contraction of oriented matroid as related to polytope?

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#discrete-mathematics #combinatorial-geometry #polytopes #discrete-geometry #matroids
445
Views

Finding the vertices of linear image of the $n$-simplex

Published on
#reference-request #linear-transformations #simplex #polytopes #convex-hulls
197
Views

How to define the dual polytope for a given set of points in $\mathbf{R}^n$?

Published on
#linear-algebra #polytopes #dual-spaces
365
Views

LP relaxation of the symmetric TSP problem integrality for n=5

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#combinatorics #linear-programming #integer-programming #polytopes #relaxations
131
Views

6-polytope with 8 vertices

Published on
#euclidean-geometry #polytopes #convex-hulls
168
Views

0-1 Knapsack problem, dependent sets, unclear proof

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#combinatorics #integer-programming #polytopes #matroids #binary-programming
181
Views

Name of irregular convex octahedron

Published on
#symmetry #polyhedra #polytopes

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