List questions from convex-analysis

Published on 15 Apr 2026 - 23:50

22

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convex set radially on a sphere ball

Published on 14 Apr 2026 - 23:32

59

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Brezis' Exercise 4.10.1 and 4.10.2

Published on 09 Apr 2026 - 21:17

41

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If $\text{cl(conv}(B))=A$, prove that $\text{ext}(A)\subset \text{cl}(B)$

Published on 15 Apr 2026 - 8:20

62

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A Supporting hyperplane of a Convex body is always closed

Published on 12 Apr 2026 - 20:51

317

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In the steepest descent method, what will happen if $x_0-x^*$ is the eigenvector of $A$?

Published on 12 Apr 2026 - 6:48

39

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Extremal points and mixture

Published on 15 Apr 2026 - 13:21

201

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A sufficient condition for convexity: $f$ absolutely continuous on $[a,b]$ and $f'$ increasing a.e. imply $f$ is convex

Published on 11 Apr 2026 - 17:19

20

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Proving Quasi-Convexity of an Optimization Function in ML Estimation of a Complex Gaussian Distributed Sequence

Published on 10 Apr 2026 - 18:07

66

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On the convergence of $\int_0^1 f(x)/(1-x)^a dx$

Published on 16 Apr 2026 - 20:42

49

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Can every continuous, monotonic function be decomposed into concave and convex functions?

Published on 11 Apr 2026 - 23:23

28

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What conditions guarantee a quasiconvex inner product?

Published on 12 Apr 2026 - 18:58

91

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Smoothness inequality over three points

Published on 13 Apr 2026 - 1:03

134

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Convexity/concavity of the IRR function under specific assumptions

Published on 12 Apr 2026 - 9:34

48

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Is there a function that is continuously differentiable but not proper?

Published on 12 Apr 2026 - 3:01

List Question

Level curves of $f(x,y) : f_x < 0, f_y > 0$

convex set radially on a sphere ball

Brezis' Exercise 4.10.1 and 4.10.2

If $\text{cl(conv}(B))=A$, prove that $\text{ext}(A)\subset \text{cl}(B)$

A Supporting hyperplane of a Convex body is always closed

In the steepest descent method, what will happen if $x_0-x^*$ is the eigenvector of $A$?

Extremal points and mixture

A sufficient condition for convexity: $f$ absolutely continuous on $[a,b]$ and $f'$ increasing a.e. imply $f$ is convex

Proving Quasi-Convexity of an Optimization Function in ML Estimation of a Complex Gaussian Distributed Sequence

On the convergence of $\int_0^1 f(x)/(1-x)^a dx$

Can every continuous, monotonic function be decomposed into concave and convex functions?

What conditions guarantee a quasiconvex inner product?

Smoothness inequality over three points

Convexity/concavity of the IRR function under specific assumptions

Is there a function that is continuously differentiable but not proper?

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