Question

$\frac{e^{-\lambda} \lambda^x}{x!}$ is Log-concave in $\lambda$?

score 60 · Answer 1 · 2026-04-15 09:29:55

60

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$\frac{e^{-\lambda} \lambda^x}{x!}$ is Log-concave in $\lambda$?

Published on 15 Apr 2026 - 9:29

score 670 · Answer 2 · 2026-04-24 02:25:54

670

Views

Convex subset of real normed space is the intersection of halfspaces

Published on 24 Apr 2026 - 2:25

score 200 · Answer 3 · 2026-04-11 00:02:48

200

Views

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Published on 11 Apr 2026 - 0:02

score 380 · Answer 4 · 2026-04-11 19:26:57

380

Views

Bounded Quadratic Concave Minimization

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score 1.2k · Answer 5 · 2026-04-12 02:20:05

1.2k

Views

Subdifferential - equivalent definitions?

Published on 12 Apr 2026 - 2:20

score 103 · Answer 6 · 2026-04-13 12:56:51

103

Views

any better approach to solve a nonlinear programming with a nearly convex structure?

Published on 13 Apr 2026 - 12:56

score 204 · Answer 7 · 2026-04-08 13:03:56

204

Views

Is $ H(\operatorname{Pois}(\lambda)) $ concave in $\lambda$?

Published on 08 Apr 2026 - 13:03

score 403 · Answer 8 · 2026-04-14 18:39:12

403

Views

How to show sublevel sets of a quasiconvex function as its convex inequalities?

Published on 14 Apr 2026 - 18:39

score 78 · Answer 9 · 2026-04-13 22:38:15

78

Views

Concavity of a function with a singular discontinuity in the 2nd derivative

Published on 13 Apr 2026 - 22:38

score 396 · Answer 10 · 2026-04-16 05:42:08

396

Views

Is $(f-g)(x)$ concave when $f,g$ are positive valued concave functions and $f\ge g$.

Published on 16 Apr 2026 - 5:42

score 510 · Answer 11 · 2026-04-15 04:35:45

510

Views

Is a closed convex cone with empty interior contained in the kernel of a linear functional? (prove or disprove)

Published on 15 Apr 2026 - 4:35

score 72 · Answer 12 · 2026-04-15 18:07:50

72

Views

unique optimal point of $f_0(x)=\sum_{i=1}^n f_i(x_i)$?

Published on 15 Apr 2026 - 18:07

score 876 · Answer 13 · 2026-04-09 05:54:09

876

Views

How to check whether a complex multivariable function is convex?

Published on 09 Apr 2026 - 5:54

score 953 · Answer 14 · 2026-04-12 18:03:35

953

Views

concave and strictly increasing function without differentiable

Published on 12 Apr 2026 - 18:03

score 482 · Answer 15 · 2026-04-13 18:21:01

482

Views

Is the gradient of a convex continuosly differentiable function also a monotonically non-decreasing vextor function?

Published on 13 Apr 2026 - 18:21

List Question

$\frac{e^{-\lambda} \lambda^x}{x!}$ is Log-concave in $\lambda$?

Convex subset of real normed space is the intersection of halfspaces

Question About Recession Cone for an Indicator Function

Bounded Quadratic Concave Minimization

Subdifferential - equivalent definitions?

any better approach to solve a nonlinear programming with a nearly convex structure?

Is $ H(\operatorname{Pois}(\lambda)) $ concave in $\lambda$?

How to show sublevel sets of a quasiconvex function as its convex inequalities?

Concavity of a function with a singular discontinuity in the 2nd derivative

Is $(f-g)(x)$ concave when $f,g$ are positive valued concave functions and $f\ge g$.

Is a closed convex cone with empty interior contained in the kernel of a linear functional? (prove or disprove)

unique optimal point of $f_0(x)=\sum_{i=1}^n f_i(x_i)$?

How to check whether a complex multivariable function is convex?

concave and strictly increasing function without differentiable

Is the gradient of a convex continuosly differentiable function also a monotonically non-decreasing vextor function?

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