List questions from convex-analysis

Published on 25 Mar 2026 - 16:08

177

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Can an element of a finitely generated cone be expressed as a conic combination of a linearly independet subset?

Published on 12 Apr 2026 - 7:11

84

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Is the image of a polyhedral set under a linear function is polyhedral?

Published on 12 Apr 2026 - 0:53

159

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Convex Polygon Inscribed in a Circle

Published on 24 Feb 2020 - 5:19

296

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Functions that are convex after monotonic change of variables

Published on 12 Apr 2026 - 11:06

164

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How to compute a minimal half-space representation?

Published on 12 Apr 2026 - 4:18

428

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How to derive the gradient and Hessian of the Volumetric barrier $v$

Published on 12 Apr 2026 - 23:16

106

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If $f$ is convex, $g$ is multilinear, and $f=g$, $\nabla f=\nabla g$ in two points, is $f\ge g$ everywhere?

Published on 25 Feb 2020 - 17:09

355

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$f$-divergence: $D_f(P || Q) = 0 \iff P = Q$

Published on 05 Apr 2026 - 14:02

29

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Why $\mu>1$ distinguishes 2 cases?

Published on 25 Feb 2020 - 23:00

647

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Convex function $f(ax+by+cz) \leq af(x)+bf(y)+cf(z)$

Published on 26 Feb 2020 - 0:22

512

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Unique minimizer of a quadratic functional $f(x)= \frac{1}{2}||x||^2-\phi(y)$

Published on 26 Feb 2020 - 7:14

240

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Nearest point function from sphere to convex set is surjective onto the boundary of the convex set

Published on 12 Apr 2026 - 12:06

43

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property of the joint probability of two discrete random variables

Published on 10 Apr 2026 - 22:40

57

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Gauss–Lucas theorem

Published on 10 Apr 2026 - 19:23

List Question

Proof of Jensen's inequality for convexity

Can an element of a finitely generated cone be expressed as a conic combination of a linearly independet subset?

Is the image of a polyhedral set under a linear function is polyhedral?

Convex Polygon Inscribed in a Circle

Functions that are convex after monotonic change of variables

How to compute a minimal half-space representation?

How to derive the gradient and Hessian of the Volumetric barrier $v$

If $f$ is convex, $g$ is multilinear, and $f=g$, $\nabla f=\nabla g$ in two points, is $f\ge g$ everywhere?

$f$-divergence: $D_f(P || Q) = 0 \iff P = Q$

Why $\mu>1$ distinguishes 2 cases?

Convex function $f(ax+by+cz) \leq af(x)+bf(y)+cf(z)$

Unique minimizer of a quadratic functional $f(x)= \frac{1}{2}||x||^2-\phi(y)$

Nearest point function from sphere to convex set is surjective onto the boundary of the convex set

property of the joint probability of two discrete random variables

Gauss–Lucas theorem

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