List questions from convex-geometry

Published on 25 Mar 2026 - 11:20

43

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Is it a convex set?

Published on 26 Jun 2020 - 15:08

50

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Proving that a set is convex

Published on 27 Jun 2020 - 17:25

177

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Convex hull in different coordinate system

Published on 25 Mar 2026 - 16:07

33

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Is the function convex?

Published on 29 Jun 2020 - 18:05

248

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Biggest convex set inside a concave unit ball

Published on 29 Jun 2020 - 20:05

554

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Showing triangulation of equilateral triangle is non-regular

Published on 25 Mar 2026 - 16:12

86

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Would any two consecutive extreme points on a convex hull can be linearly projected still being extreme?

Published on 02 Jul 2020 - 4:35

39

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3 chords inclined at $\pi/3$ of a convex closed curve that intersect at their midpoint always exist

Published on 03 Jul 2020 - 11:53

96

Views

Does Radon's theorem assume distinct $d+2$ points?

Published on 25 Mar 2026 - 17:38

86

Views

Understanding Helly's theorem

Published on 26 Mar 2026 - 12:40

62

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On Erdös-Szekeres convex polygons lower bound

Published on 27 Mar 2026 - 1:45

310

Views

first order condition for quasiconvex functions

Published on 06 Jul 2020 - 7:21

401

Views

Projection onto a closed convex set in a general Hilbert space

Published on 06 Jul 2020 - 19:10

92

Views

Convex curve, asymptote

Published on 08 Jul 2020 - 11:35

List Question

Does convexity around a point imply the function is above the tangent at that point?

Is it a convex set?

Proving that a set is convex

Convex hull in different coordinate system

Is the function convex?

Biggest convex set inside a concave unit ball

Showing triangulation of equilateral triangle is non-regular

Would any two consecutive extreme points on a convex hull can be linearly projected still being extreme?

3 chords inclined at $\pi/3$ of a convex closed curve that intersect at their midpoint always exist

Does Radon's theorem assume distinct $d+2$ points?

Understanding Helly's theorem

On Erdös-Szekeres convex polygons lower bound

first order condition for quasiconvex functions

Projection onto a closed convex set in a general Hilbert space

Convex curve, asymptote

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