New posts in Convex Analysis

Proximal Operator of $ f \left( x \right) = {\left\| A x \right\|}_{2} $ Where $ A $ Is Diagonal Matrix (Weighted $ {L}_{2} $ Norm)

Whether the following function is convex or not？

Does continous and convex on a closed interval imply Lipschitz?

Convexity of $\{x\in \mathbb R^n,\;x^TAx\leq t\}$ for all $t$ implies that $A$ is p.s.d.

Is a set "trapped" between two convex sets, convex?

How do I recover a convex region from the set of its tangent planes?

Why $\{ \lambda x + (1-\lambda){y}\;\lvert\; \lambda \in [0,1] \}$ represents the line segment between $x,y$?

The intersection of the convex hulls of two finite sets of points is again the convex hull of a finite set of points

Piecewise convexity and global convexity

The Sub Gradient and the Proximal Operator of the of $ {L}_{2, 1} $ Norm (Mixed Norm)