List questions from convex-hulls

Published on 06 Mar 2020 - 11:46

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Convex hull and projective matrices

Published on 06 Mar 2020 - 14:47

250

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linear independence, convex hull, and cone

Published on 25 Mar 2026 - 8:08

225

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Given $A$ a convex set of $\mathbb{R}^n$ such that $int(A) \neq \emptyset$, prove that $int(cl(A)) = int(A)$.

Published on 10 Mar 2020 - 3:37

277

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Convex hull of compact set is compact in finite dimensional complex vector spaces.

Published on 11 Mar 2020 - 14:17

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Convex Hull of Unit Circles

Published on 15 Mar 2020 - 8:01

255

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Determine the convex hull of a set

Published on 21 Mar 2020 - 17:53

247

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Dimension of intersection of affine subspaces

Published on 29 Mar 2020 - 12:30

562

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Why is that linear combinations of coefficients with sum 1 give a line?

Published on 30 Mar 2020 - 20:17

97

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How can I find a strictly convex subset of a given convex set?

Published on 31 Mar 2020 - 17:51

335

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Diameter of a convex hull (S) = diameter (S)

Published on 05 Apr 2020 - 10:37

148

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Convex hull that maximizes number of covered points

Published on 16 Apr 2020 - 15:19

43

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Can we say that: $ cl\big(\text{co}\cup_{k\geq n}{\frac{1}{k}A}\big) $ is weak compact?

Published on 24 Apr 2020 - 13:29

132

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Proving a set is a convex hull of another set

Published on 27 Apr 2020 - 7:49

310

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How to prove that the expectation of a random vector lies in the convex hull of its support?

Published on 25 Mar 2026 - 11:24

List Question

Is the convex combination of a convex and strictly convex set, strictly convex?

Convex hull and projective matrices

linear independence, convex hull, and cone

Given $A$ a convex set of $\mathbb{R}^n$ such that $int(A) \neq \emptyset$, prove that $int(cl(A)) = int(A)$.

Convex hull of compact set is compact in finite dimensional complex vector spaces.

Convex Hull of Unit Circles

Determine the convex hull of a set

Dimension of intersection of affine subspaces

Why is that linear combinations of coefficients with sum 1 give a line?

How can I find a strictly convex subset of a given convex set?

Diameter of a convex hull (S) = diameter (S)

Convex hull that maximizes number of covered points

Can we say that: $ cl\big(\text{co}\cup_{k\geq n}{\frac{1}{k}A}\big) $ is weak compact?

Proving a set is a convex hull of another set

How to prove that the expectation of a random vector lies in the convex hull of its support?

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