List questions from convex-analysis

Published on 01 Apr 2026 - 12:45

212

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In optimization, what guarantees the existence of a minimizer?

Published on 01 Apr 2026 - 12:48

45

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Normal cone to minimizing set at boundary

Published on 26 Mar 2026 - 12:43

1.4k

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Proof Verification: Showing a function is affine if its convex and concave

Published on 10 Sep 2019 - 1:04

225

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approximate convex upper envelope for a convex function

Published on 25 Mar 2026 - 9:46

194

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Subgradient of Ky Fan norm

Published on 01 Apr 2026 - 8:42

54

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Showing that a property holds for all convex functions

Published on 13 Sep 2019 - 8:57

28

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Specific problem with general convex functions

Published on 13 Sep 2019 - 13:14

316

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Proof of convergence of projected gradient descent via induction

Published on 28 Mar 2026 - 22:31

43

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Convex function at two points has a bottom limit?

Published on 14 Sep 2019 - 8:20

1k

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Proof of $\left(K_{1} \cap K_{2}\right)^{}=K_{1}^{}+K_{2}^{*}:$ the dual of intersection of convex cones is the sum of their duals

Published on 01 Apr 2026 - 14:25

544

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Prove that a set in $\Bbb R^3$ is not convex

Published on 15 Sep 2019 - 15:43

1.7k

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Subtracting convex function from concave function

Published on 15 Sep 2019 - 23:00

768

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Is it true that the subdifferential is empty if and only if $f$ is infinite?

Published on 01 Apr 2026 - 14:30

59

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Are there two distributions which maximize $\int g_0^ug_1^{1-u}d\mu$ but do not minimize all f-divergences?

Published on 16 Sep 2019 - 0:33

List Question

'Partial Minimizer' of a convex function

In optimization, what guarantees the existence of a minimizer?

Normal cone to minimizing set at boundary

Proof Verification: Showing a function is affine if its convex and concave

approximate convex upper envelope for a convex function

Subgradient of Ky Fan norm

Showing that a property holds for all convex functions

Specific problem with general convex functions

Proof of convergence of projected gradient descent via induction

Convex function at two points has a bottom limit?

Proof of $\left(K_{1} \cap K_{2}\right)^{}=K_{1}^{}+K_{2}^{*}:$ the dual of intersection of convex cones is the sum of their duals

Prove that a set in $\Bbb R^3$ is not convex

Subtracting convex function from concave function

Is it true that the subdifferential is empty if and only if $f$ is infinite?

Are there two distributions which maximize $\int g_0^ug_1^{1-u}d\mu$ but do not minimize all f-divergences?

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