New posts in convex-geometry

What is the dual norm of the norm induced by a convex body?

functional-analysis convex-analysis convex-geometry

Fattened volume of a curve

measure-theory differential-geometry convex-geometry

Characterization of interior points of a convex polytope

convex-geometry polytopes

When is the smallest point on a hull a convex combination of the smallest vertices?

geometry convex-analysis euclidean-geometry convex-geometry convex-hulls

If a compact set is not convex, some ball is tangent to it at several points.

general-topology geometry euclidean-geometry geometric-topology convex-geometry

Which convex shapes are the hardest to bind together with a rubber band?

geometry convex-geometry combinatorial-geometry

Bounded convex sets $A,B\subseteq\Bbb R^n,n\ge 2$ with a common point, but disjoint boundaries

real-analysis general-topology examples-counterexamples convex-geometry

Second Derivative of Lipchitz Concave Curve is infinite at only finite points

real-analysis convex-analysis lipschitz-functions convex-geometry

Prove that $f:\mathbb R^n\to\mathbb R$ is affine if and only if it is convex and concave

analysis convex-analysis convex-geometry

Why do convex and concave function have their own name like that not the opposite?

functions convex-geometry