Question

is this convex inequality possibly true?

score 73 · Answer 1 · 2019-03-18 08:59:45

73

Views

is this convex inequality possibly true?

Published on 18 Mar 2019 - 8:59

score 39 · Answer 2 · 2026-03-25 22:04:45

39

Views

Errata in Convex Analysis and Minimization Algorithms by Hiriart-Urruty and Lemaréchal.

Published on 25 Mar 2026 - 22:04

score 200 · Answer 3 · 2026-03-25 04:38:21

200

Views

The Proximity Operator of a Function with Multiple Affine Mapping

Published on 25 Mar 2026 - 4:38

score 52 · Answer 4 · 2019-03-19 00:59:32

52

Views

Is convex , lower semicontinuous function with closed domain continuous relative to its domain?

Published on 19 Mar 2019 - 0:59

score 60 · Answer 5 · 2026-03-29 04:44:50

60

Views

Continuity proof "If $f(x,y,z,w)$ is continuous and domains of $x,y,z,w$ are all convex set, then $\max_{w} f(x,y,z,w)$ is continuous."

Published on 29 Mar 2026 - 4:44

score 109 · Answer 6 · 2026-03-29 04:44:04

109

Views

Continuity Proof "If $f(x,w)$ is continuous and its domain is a cartesian product, $\max_{w}f(x,w)$ is continuous."

Published on 29 Mar 2026 - 4:44

score 51 · Answer 7 · 2019-03-21 07:50:38

51

Views

Show that $(A^o)^o = A$ if A is compact and convex.

Published on 21 Mar 2019 - 7:50

score 31 · Answer 8 · 2019-03-21 11:22:05

31

Views

Is function $f(\theta)=\sum_{i=1}^{k}\sum_{j \neq i}||\theta_i||_2^2 ||\theta_j||_2^2$ a quasi-convex function?

Published on 21 Mar 2019 - 11:22

score 7.6k · Answer 9 · 2019-03-21 22:15:09

7.6k

Views

Prove $f(x, y) = \frac{x^2}{y}$ is a convex function on the set $\{(x, y) \in \mathbb{R}^2 : y > 0\}$

Published on 21 Mar 2019 - 22:15

score 301 · Answer 10 · 2026-03-30 13:36:05

301

Views

Projection onto set implies convexity

Published on 30 Mar 2026 - 13:36

score 263 · Answer 11 · 2026-04-02 09:04:39

263

Views

"Convert" quadratic constraint to quadratic objective

Published on 02 Apr 2026 - 9:04

score 113 · Answer 12 · 2026-03-30 15:29:20

113

Views

Can we get optimal values when we calculate the optimal problem every time?

Published on 30 Mar 2026 - 15:29

score 124 · Answer 13 · 2026-03-30 15:29:28

124

Views

A variational inequality satisfied in a Hilbert space

Published on 30 Mar 2026 - 15:29

score 122 · Answer 14 · 2019-03-26 10:52:18

122

Views

Conical hull of two circles

Published on 26 Mar 2019 - 10:52

score 41 · Answer 15 · 2026-03-26 21:34:37

41

Views

Cone in higher dimensions

Published on 26 Mar 2026 - 21:34

List Question

is this convex inequality possibly true?

Errata in Convex Analysis and Minimization Algorithms by Hiriart-Urruty and Lemaréchal.

The Proximity Operator of a Function with Multiple Affine Mapping

Is convex , lower semicontinuous function with closed domain continuous relative to its domain?

Continuity proof "If $f(x,y,z,w)$ is continuous and domains of $x,y,z,w$ are all convex set, then $\max_{w} f(x,y,z,w)$ is continuous."

Continuity Proof "If $f(x,w)$ is continuous and its domain is a cartesian product, $\max_{w}f(x,w)$ is continuous."

Show that $(A^o)^o = A$ if A is compact and convex.

Is function $f(\theta)=\sum_{i=1}^{k}\sum_{j \neq i}||\theta_i||_2^2 ||\theta_j||_2^2$ a quasi-convex function?

Prove $f(x, y) = \frac{x^2}{y}$ is a convex function on the set $\{(x, y) \in \mathbb{R}^2 : y > 0\}$

Projection onto set implies convexity

"Convert" quadratic constraint to quadratic objective

Can we get optimal values when we calculate the optimal problem every time?

A variational inequality satisfied in a Hilbert space

Conical hull of two circles

Cone in higher dimensions

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