closure of a convex set in a normed linear space is convex ?
71829
Is closure of convex subset of $X$ is again a convex subset of $X$?
116851
Show that f(x) is convex
125623
Subspaces of separable normed spaces
158399
Show that $\{(x_1,x_2):x_1x_2\geq4,x_1>0,x_2>0\}$ is a convex set
99236
Interior of closure of an open set
60887
$d_A(x) = \inf_{a \in A} \|x-a\|$ is convex if and only if $A$ is convex
17336
Least norm in convex set in Banach space
57514
The Minkowski sum of two convex sets is convex
102048
Closure of a compact set in Regular space $ X $
58988
Composition of convex function and affine function
35857
Characterization of log-convexity
6335
Proving that the set enclosed by an ellipse is convex
144656
Linear functional and a bounded norm
114139
Convex Hull of Precompact Subset is Precompact
138457
Seminorms: Absolute Convexity
147420
Equivalent definitions of convexity for $f\in\mathcal C^1(\mathbb R^n)$
129081
Proof that convex open sets in $\mathbb{R}^n$ are homeomorphic?