Convexity of a function over matrices
32611
Is the trace of inverse matrix convex?
60887
$d_A(x) = \inf_{a \in A} \|x-a\|$ is convex if and only if $A$ is convex
60521
Continuity of a convex function
10352
Prove that $x^n$ is a convex function on $(0,\infty)$
86110
Proximal Operator Fixed Point Property for Matrices
87636
A Product function for matrix products
109217
Invertibility of the Product of Two Matrices
18763
injective holomorphic function on a convex set
88195
Minimizing quadratic objective over convex set
56081
Prove that the ellipsoid $E = \{ (x,y,z) \in R^3 \mid \frac{x^2}{a^2} + \frac{y^2}{b^2} + \frac{z^2}{c^2} \leq 1 \}$ is convex
72659
How can we define convexity in one dimension?
111809
Maximizing a linear function over an ellipsoid
6335
Proving that the set enclosed by an ellipse is convex
71619
Proving that a convex function is Lipschitz
2848
Convex integral inequality
93576
Convex combination of extreme points
16943
Midpoint-Convex and Continuous Implies Convex