List questions from convex-analysis

Published on 08 Dec 2019 - 0:26

216

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Generalized version of Hilbert's projection Theorem

Published on 06 Apr 2026 - 5:38

230

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Integral Inequality and Convexity

Published on 11 Apr 2026 - 21:31

122

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$y$ is more than $\frac{2}{3}$, given ($\int_0^1f(x)[f(x)-y]\,\mathrm dx=0$)?

Published on 09 Dec 2019 - 1:15

22

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How to compare the assumptions and axioms of 2 DEA models?

Published on 10 Apr 2026 - 22:27

91

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$f(x)-f(y)=\frac{1}{2}(x-y)^T( \nabla f(x)+ \nabla f(y))$ show that the only solution is quadratic

Published on 09 Dec 2019 - 14:16

125

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Convexity of even power sum symmetric functions

Published on 27 Mar 2026 - 2:37

39

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If $μ$ is reversible with respect to a Markov kernel $κ$, is $L^2(μ)∋g↦\frac{\|(x,y)↦g(x)-g(y)\|_{L^2(μ⊗κ)}^2}{\|g\|_{L^2(μ)}^2}$ convex?

Published on 04 Apr 2026 - 13:43

69

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Understanding the dimension of $\operatorname{aff} (M)$

Published on 26 Mar 2026 - 16:56

265

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How to prove convexity of that function of a symmetric matrix?

Published on 28 Mar 2026 - 4:35

105

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Showing $f(x)=\max_{u\in U} c^Tu+x^T(Au-b)$ is convex

Published on 25 Mar 2026 - 13:56

536

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Solving a Min-Max problem analytically.

Published on 04 Apr 2026 - 3:45

60

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$\sup$ of a family of convex functions is convex?

Published on 12 Dec 2019 - 19:49

182

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Proof about concave functions

Published on 10 Apr 2026 - 23:52

361

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Convexity of the orthogonal Procrustes problem

Published on 06 Apr 2026 - 4:30

List Question

The property of the homogeneous function

Generalized version of Hilbert's projection Theorem

Integral Inequality and Convexity

$y$ is more than $\frac{2}{3}$, given ($\int_0^1f(x)[f(x)-y]\,\mathrm dx=0$)?

How to compare the assumptions and axioms of 2 DEA models?

$f(x)-f(y)=\frac{1}{2}(x-y)^T( \nabla f(x)+ \nabla f(y))$ show that the only solution is quadratic

Convexity of even power sum symmetric functions

If $μ$ is reversible with respect to a Markov kernel $κ$, is $L^2(μ)∋g↦\frac{\|(x,y)↦g(x)-g(y)\|_{L^2(μ⊗κ)}^2}{\|g\|_{L^2(μ)}^2}$ convex?

Understanding the dimension of $\operatorname{aff} (M)$

How to prove convexity of that function of a symmetric matrix?

Showing $f(x)=\max_{u\in U} c^Tu+x^T(Au-b)$ is convex

Solving a Min-Max problem analytically.

$\sup$ of a family of convex functions is convex?

Proof about concave functions

Convexity of the orthogonal Procrustes problem

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