Is convex set interval or ray?
58277
If nonempty, nonsingleton $Y$ is a proper convex subset of a simply ordered set $X$, then $Y$ is ray or interval?
109097
Is there a unique saddle value for a convex/concave optimization?
73074
$f \text{ convex }\Rightarrow \forall (x_0,f(x_0))\in \Gamma(f) \exists a : \forall x\in \mathbb{R}, f(x) \ge a(x-x_0)+f(x_0)$
9451
Show bounded and convex function on $\mathbb R$ is constant
121095
Is convex hull of a finite set of points in $\mathbb R^2$ closed?
35857
Characterization of log-convexity
116851
Show that f(x) is convex
152112
In convex optimization, must equality constraints be linear or affine?
2848
Convex integral inequality
36371
Exercise on convex functions
88195
Minimizing quadratic objective over convex set
155311
How to get a set $E$ such that $0<\mu(E\cap I)<\mu(E)$ for all interval $I$?
69235
padded boundary of convex hull
116382
Showing convexity of a function with the restriction over an arbitrary line
101690
Is linear function convex or concave?
138457
Seminorms: Absolute Convexity
40438
Proving that closed (and open) balls are convex