Question

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

score 109 · Answer 1 · 2018-08-01 23:36:49

109

Views

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

Published on 01 Aug 2018 - 23:36

score 152 · Answer 2 · 2018-08-02 02:04:26

152

Views

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

Published on 02 Aug 2018 - 2:04

score 130 · Answer 3 · 2018-08-02 15:30:23

130

Views

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

Published on 02 Aug 2018 - 15:30

score 847 · Answer 4 · 2026-03-27 19:54:15

847

Views

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

Published on 27 Mar 2026 - 19:54

score 296 · Answer 5 · 2026-03-24 21:12:55

296

Views

The dual of a regular polyhedral cone is regular

Published on 24 Mar 2026 - 21:12

score 516 · Answer 6 · 2026-03-27 03:44:31

516

Views

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

Published on 27 Mar 2026 - 3:44

score 28 · Answer 7 · 2018-08-04 18:25:45

28

Views

how to graph B?

Published on 04 Aug 2018 - 18:25

score 1.6k · Answer 8 · 2026-03-25 15:40:59

1.6k

Views

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

Published on 25 Mar 2026 - 15:40

score 254 · Answer 9 · 2018-08-06 18:11:36

254

Views

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

Published on 06 Aug 2018 - 18:11

score 333 · Answer 10 · 2026-03-24 23:57:43

333

Views

Characterization of the convex hull in terms of dot product

Published on 24 Mar 2026 - 23:57

score 171 · Answer 11 · 2026-03-25 12:45:36

171

Views

Simplex in a complex vector space

Published on 25 Mar 2026 - 12:45

score 963 · Answer 12 · 2026-03-27 21:35:47

963

Views

Relative Interior of the relative interior of a convex set

Published on 27 Mar 2026 - 21:35

score 287 · Answer 13 · 2018-08-11 13:14:45

287

Views

Difference of convex functions

Published on 11 Aug 2018 - 13:14

score 935 · Answer 14 · 2026-03-25 19:40:19

935

Views

Why Is the Proximal Operator Well Defined?

Published on 25 Mar 2026 - 19:40

score 72 · Answer 15 · 2026-03-27 21:36:25

72

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 27 Mar 2026 - 21:36

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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