List questions from convex-geometry

Published on 24 Mar 2026 - 23:46

4.7k

Views

How is the subdifferential of the $l_2$ norm at $x=0$ the polar of the unit ball?

Published on 24 Mar 2026 - 22:16

2.5k

Views

Proving that an ellipsoid is convex

Published on 26 Apr 2018 - 22:42

49

Views

Inequality Concerning Volumes

Published on 27 Apr 2018 - 9:21

1.6k

Views

How to show $\partial f(x) =\{\nabla f(x) \}$ for a convex differentiable function?

Published on 23 Mar 2026 - 0:05

332

Views

Proof of quasi-concavity by induction or direct proof

Published on 29 Apr 2018 - 16:57

102

Views

Condition insuring a convex body is a ball

Published on 30 Apr 2018 - 8:35

29

Views

Convexity of non-compact, ball-connected sets

Published on 02 May 2018 - 16:55

519

Views

Is the biconjugate of a convex function always greater than the original function?

Published on 24 Mar 2026 - 22:13

1.2k

Views

Is the normal cone of a polyhedron a set of points or a set of vectors?

Published on 23 Mar 2026 - 15:01

774

Views

Lipschitz continuity of the Moreau Envelope of a closed, convex, proper function with respect to the smoothing parameter

Published on 07 May 2018 - 16:00

264

Views

Extreme points of a convex hull on the $n$-sphere

Published on 24 Mar 2026 - 23:56

61

Views

Checking whether given sets are convex or not

Published on 11 May 2018 - 11:58

233

Views

Extreme points of a subset of density functions

Published on 11 May 2018 - 13:28

353

Views

Strong version of Caratheodory lemma

Published on 24 Mar 2026 - 23:44

List Question

Generalization of characterization of projection onto a convex set

How is the subdifferential of the $l_2$ norm at $x=0$ the polar of the unit ball?

Proving that an ellipsoid is convex

Inequality Concerning Volumes

How to show $\partial f(x) =\{\nabla f(x) \}$ for a convex differentiable function?

Proof of quasi-concavity by induction or direct proof

Condition insuring a convex body is a ball

Convexity of non-compact, ball-connected sets

Is the biconjugate of a convex function always greater than the original function?

Is the normal cone of a polyhedron a set of points or a set of vectors?

Lipschitz continuity of the Moreau Envelope of a closed, convex, proper function with respect to the smoothing parameter

Extreme points of a convex hull on the $n$-sphere

Checking whether given sets are convex or not

Extreme points of a subset of density functions

Strong version of Caratheodory lemma

Trending Questions

Popular # Hahtags

Popular Questions