List questions from convex-analysis

Published on 26 Mar 2026 - 6:19

250

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Uses of nonsmooth analysis in mathematical research

Published on 02 Apr 2026 - 9:02

124

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f(x) convex, u(x) and l(x) convex quadratic upper/lower bounds. Is $x^_f$ between $x^_l$ and $x^*_u$?

Published on 26 Mar 2026 - 19:20

45

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How to check convexity on some constraints?

Published on 08 Apr 2026 - 19:51

98

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$\text{aff }C$ is the smallest affine set containing $C$

Published on 23 Dec 2019 - 16:45

487

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Suggestion for convex analysis text

Published on 09 Apr 2026 - 9:08

88

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Prove that minimal of function below is attainable

Published on 02 Apr 2026 - 15:50

1k

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How to convert a non-convex problem to a convex problem?

Published on 09 Apr 2026 - 6:04

135

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Is it true that $E[|X-E[X]|^j] \le E[|X|^j]$?

Published on 11 Apr 2026 - 21:38

69

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What does "$R_{++}$" mean in "$x \log(x)$ is convex function either on $R_{++}$ or on $R_{+}$"?

Published on 29 Dec 2019 - 7:35

169

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Is there a lower bound to density at boundary points of a convex set?

Published on 26 Mar 2026 - 9:49

64

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Under what conditions is $F_Y S_X^{-1}(\alpha)$ convex.

Published on 11 Apr 2026 - 23:51

75

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How to find a tangent line to a convex function from a point.

Published on 30 Dec 2019 - 11:53

112

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Find closest point(s) in subset of $\mathbb{R}^4$

Published on 30 Dec 2019 - 14:01

37

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Partitioning $\mathbb{R}^n$ according to boundaries of the subset of vectors whose components are convex combinations

Published on 26 Mar 2026 - 21:10

List Question

Is there any efficient algorithm to compute the intersection of two polytopes?

Uses of nonsmooth analysis in mathematical research

f(x) convex, u(x) and l(x) convex quadratic upper/lower bounds. Is $x^_f$ between $x^_l$ and $x^*_u$?

How to check convexity on some constraints?

$\text{aff }C$ is the smallest affine set containing $C$

Suggestion for convex analysis text

Prove that minimal of function below is attainable

How to convert a non-convex problem to a convex problem?

Is it true that $E[|X-E[X]|^j] \le E[|X|^j]$?

What does "$R_{++}$" mean in "$x \log(x)$ is convex function either on $R_{++}$ or on $R_{+}$"?

Is there a lower bound to density at boundary points of a convex set?

Under what conditions is $F_Y S_X^{-1}(\alpha)$ convex.

How to find a tangent line to a convex function from a point.

Find closest point(s) in subset of $\mathbb{R}^4$

Partitioning $\mathbb{R}^n$ according to boundaries of the subset of vectors whose components are convex combinations

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