List questions from convex-analysis

Published on 09 Nov 2014 - 2:17

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Is closure of convex hull of C equal to convex hull of closure.

Published on 10 Nov 2014 - 4:48

2.3k

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A function is convex and concave, show that it has the form $f(x)=ax+b$

Published on 26 Mar 2026 - 13:49

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union and difference of convex set

Published on 10 Nov 2014 - 12:42

21.9k

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Proof that the intersection of any finite number of convex sets is a convex set

Published on 02 Apr 2026 - 23:35

115

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Distributed convex optimization problem

Published on 02 Apr 2026 - 23:26

444

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If $ S \subseteq \mathbb{R}^n$ is finite, show that conv(S) is a closed set...

Published on 13 Nov 2014 - 1:38

71

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Topological vector space question

Published on 27 Mar 2026 - 4:15

2.6k

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About the slack variable for hinge-loss SVM

Published on 08 Apr 2026 - 5:04

22

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Function with convex polytopes as sub-levelsets

Published on 15 Nov 2014 - 3:14

42

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Show that $x \mapsto \left( x^{\top} \sigma x , -\mu^{\top}x \right)^{\top}$ transforms a given set into a convex set.

Published on 27 Mar 2026 - 14:52

249

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Arclength comparison of two convex functions

Published on 15 Nov 2014 - 20:34

361

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In what sense is the Bayesian posterior mean a "convex combination"?

Published on 27 Mar 2026 - 23:32

1k

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What is affine hull of conv(A)

Published on 08 Apr 2026 - 7:14

387

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Proof that $f(x) = x^TMx$ is convex

Published on 17 Nov 2014 - 9:19

List Question

Segment ordered density conjecture.

Is closure of convex hull of C equal to convex hull of closure.

A function is convex and concave, show that it has the form $f(x)=ax+b$

union and difference of convex set

Proof that the intersection of any finite number of convex sets is a convex set

Distributed convex optimization problem

If $ S \subseteq \mathbb{R}^n$ is finite, show that conv(S) is a closed set...

Topological vector space question

About the slack variable for hinge-loss SVM

Function with convex polytopes as sub-levelsets

Show that $x \mapsto \left( x^{\top} \sigma x , -\mu^{\top}x \right)^{\top}$ transforms a given set into a convex set.

Arclength comparison of two convex functions

In what sense is the Bayesian posterior mean a "convex combination"?

What is affine hull of conv(A)

Proof that $f(x) = x^TMx$ is convex

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