Question

The behavior of $\sqrt{f}f''/f'$ for a strictly convex function

score 112 · Answer 1 · 2026-04-14 14:27:50

112

Views

The behavior of $\sqrt{f}f''/f'$ for a strictly convex function

Published on 14 Apr 2026 - 14:27

score 155 · Answer 2 · 2026-04-12 00:13:36

155

Views

Mean value theorem, second derivative, in $\mathbf{R}^n$.

Published on 12 Apr 2026 - 0:13

score 133 · Answer 3 · 2026-04-13 19:37:53

133

Views

Why is $\{ \mathbf{x} \in \mathbb{R}^n | \sum_{k=1}^{n} x_{k}^2 = 1 \}$ not a convex set?

Published on 13 Apr 2026 - 19:37

score 848 · Answer 4 · 2026-04-09 22:53:51

848

Views

How to find the following condition on the domain of conjugate function of negative geometric mean?

Published on 09 Apr 2026 - 22:53

score 305 · Answer 5 · 2026-05-06 07:34:07

305

Views

The dual of a regular polyhedral cone is regular

Published on 06 May 2026 - 7:34

score 518 · Answer 6 · 2026-04-14 22:55:25

518

Views

Convexity and concavity in a textbook figure of the fundamental solution of the heat equation $u_t - u_{xx} = 0$

Published on 14 Apr 2026 - 22:55

score 31 · Answer 7 · 2026-04-11 23:51:53

31

Views

how to graph B?

Published on 11 Apr 2026 - 23:51

score 1.6k · Answer 8 · 2026-04-09 21:44:10

1.6k

Views

Can a convex/concave function be transformed to a concave/convex function in a generic way?

Published on 09 Apr 2026 - 21:44

score 257 · Answer 9 · 2026-04-14 13:12:11

257

Views

Showing the existence of a strictly positive probability vector using a separation argument

Published on 14 Apr 2026 - 13:12

score 337 · Answer 10 · 2026-05-10 14:07:19

337

Views

Characterization of the convex hull in terms of dot product

Published on 10 May 2026 - 14:07

score 175 · Answer 11 · 2026-05-10 15:40:25

175

Views

Simplex in a complex vector space

Published on 10 May 2026 - 15:40

score 965 · Answer 12 · 2026-04-14 21:14:15

965

Views

Relative Interior of the relative interior of a convex set

Published on 14 Apr 2026 - 21:14

score 290 · Answer 13 · 2026-04-16 04:03:56

290

Views

Difference of convex functions

Published on 16 Apr 2026 - 4:03

score 940 · Answer 14 · 2026-05-13 19:29:39

940

Views

Why Is the Proximal Operator Well Defined?

Published on 13 May 2026 - 19:29

score 75 · Answer 15 · 2026-04-17 09:28:40

75

Views

Is it always true that $f=g+h$ is not convex when $g$ is convex and $h$ is neither convex or concave?

Published on 17 Apr 2026 - 9:28

List Question

The behavior of $\sqrt{f}f''/f'$ for a strictly convex function

Mean value theorem, second derivative, in $\mathbf{R}^n$.

Why is $\{ \mathbf{x} \in \mathbb{R}^n | \sum_{k=1}^{n} x_{k}^2 = 1 \}$ not a convex set?

How to find the following condition on the domain of conjugate function of negative geometric mean?

The dual of a regular polyhedral cone is regular

Convexity and concavity in a textbook figure of the fundamental solution of the heat equation $u_t - u_{xx} = 0$

how to graph B?

Can a convex/concave function be transformed to a concave/convex function in a generic way?

Showing the existence of a strictly positive probability vector using a separation argument

Characterization of the convex hull in terms of dot product

Simplex in a complex vector space

Relative Interior of the relative interior of a convex set

Difference of convex functions

Why Is the Proximal Operator Well Defined?

Is it always true that $f=g+h$ is not convex when $g$ is convex and $h$ is neither convex or concave?

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