List questions from convex-geometry

Published on 27 Mar 2026 - 23:32

63

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Number of simplices of convex hull of points on a $d$-sphere.

Published on 27 Mar 2026 - 15:11

106

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Convexify $x\le a+by^2$

Published on 25 Apr 2016 - 16:41

546

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How to deal with an $xy\le 1$ constraint?

Published on 26 Apr 2016 - 8:37

605

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Why is the Barycenter operation in Hadamard spaces Lipschitz continuous?

Published on 25 Mar 2026 - 19:04

27

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Do non-trivial closed and bounded convex sets with this property exist?

Published on 03 May 2016 - 22:59

28

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Conditions under which a discretely defined function can be extended convexly

Published on 10 May 2016 - 19:23

83

Views

Dual of a point which is in the convex cone of a set, contains the dual cone of that set

Published on 29 Mar 2026 - 12:11

402

Views

Surface area of Convex bodies contained in one another

Published on 23 Feb 2026 - 8:32

687

Views

Property of Conical Hull

Published on 13 May 2016 - 5:28

677

Views

Number of quadrilaterals formed out of N points.

Published on 29 Mar 2026 - 4:10

337

Views

Proof that for any face $F\neq P$ of a convex polytope is contained in a face OF dimension $\text{dim} F+1$.

Published on 27 Mar 2026 - 23:35

141

Views

convex function on open interval

Published on 14 May 2016 - 17:53

171

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maximum of a concave function in a minkowski sum

Published on 14 May 2016 - 21:24

278

Views

Bijective mapping between face polytopes of permutohedra and partitions of integers

Published on 14 May 2016 - 21:38

List Question

How do I prove this simple result for the face structure of convex sets?

Number of simplices of convex hull of points on a $d$-sphere.

Convexify $x\le a+by^2$

How to deal with an $xy\le 1$ constraint?

Why is the Barycenter operation in Hadamard spaces Lipschitz continuous?

Do non-trivial closed and bounded convex sets with this property exist?

Conditions under which a discretely defined function can be extended convexly

Dual of a point which is in the convex cone of a set, contains the dual cone of that set

Surface area of Convex bodies contained in one another

Property of Conical Hull

Number of quadrilaterals formed out of N points.

Proof that for any face $F\neq P$ of a convex polytope is contained in a face OF dimension $\text{dim} F+1$.

convex function on open interval

maximum of a concave function in a minkowski sum

Bijective mapping between face polytopes of permutohedra and partitions of integers

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