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New posts in convex-analysis
Prove that $\text{aff}(X) = \text{aff}(\text{closure}(X))$
convex-analysis
closure, convex hull and closed convex hull
convex-analysis
convexity of inverse function
convex-analysis
inverse
Examples of $f$ strictly convex, either with one minimizer or with no minimizer.
convex-analysis
convex-optimization
How to convert the matrix completion problem to the standard SDP form?
convex-analysis
convex-optimization
semidefinite-programming
nuclear-norm
matrix-completion
Chebyshev sets in finite dimension are closed and convex
real-analysis
functional-analysis
convex-analysis
Elementary applications of Krein-Milman
functional-analysis
convex-analysis
locally-convex-spaces
Is $f^{-1}\big( \sqrt{xf(x)} \big)$ convex (for large $x$) when $f(x) = o(x)$ is concave and strictly increasing?
real-analysis
convex-analysis
asymptotics
Convexity of a complicated function
real-analysis
convex-analysis
An entropy inequality
real-analysis
convex-analysis
information-theory
All norm is strictly convex function? [closed]
functional-analysis
inequality
convex-analysis
normed-spaces
nonlinear-optimization
Is a convex function always twice differentiable?
convex-analysis
convex-optimization
Convexity of a rational function
convex-analysis
rational-functions
Characterization of log-convexity
real-analysis
convex-analysis
Extreme points of the unit ball of the space $c_0 = \{ \{x_n\}_{n=1}^\infty \in \ell^\infty : \lim_{n\to\infty} x_n = 0\}$
real-analysis
functional-analysis
convex-analysis
Is the function characterized by $f(\alpha x+(1-\alpha) y) \le f^{\alpha}(\alpha x)f^{1-\alpha}(y)$ convex?
functional-analysis
convex-analysis
Proof (without use of differential calculus) that $e^{\sqrt{x}}$ is convex on $[1,+\infty)$.
real-analysis
analysis
convex-analysis
Lovasz Extension Intuition
convex-analysis
Convexity, Hessian matrix, and positive semidefinite matrix
convex-analysis
convex-optimization
hessian-matrix
Convex function can be written as supremum of some affine functions
real-analysis
convex-analysis
supremum-and-infimum
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