New posts in convex-hulls

The image of every strictly non-expanding map between spheres is contained in an open hemisphere?

geometry lipschitz-functions convex-geometry convex-hulls contraction-operator

Meaning cone, ray, fan for polytopes

linear-algebra matrices polytopes convex-geometry convex-hulls

Convexifying a Concave Polygon by Reflections

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

New Definition of Convex Hull

complex-analysis geometry convex-analysis convex-hulls

Convex hull of orthogonal matrices

matrices convex-analysis orthogonal-matrices convex-hulls

What shape is a Calippo?

geometry solid-geometry convex-hulls

Expanding a convex set to a convex set with nonempty interior, while maintaining disjointness from a point

functional-analysis convex-analysis convex-hulls

How is the subdifferential of the $l_2$ norm at $x=0$ the polar of the unit ball?

convex-analysis convex-optimization convex-geometry convex-hulls

A set of points is contained in a sphere $S$. When is $S$ also the circumsphere?

euclidean-geometry spheres convex-geometry convex-hulls metric-geometry

Prove Convex hull is Convex

convex-analysis convex-hulls

Test if point is in convex hull of $n$ points

geometry convex-analysis computational-geometry convex-hulls

Is the convex hull of closed set in $\mathbb R^{n}$ is closed?

convex-analysis convex-hulls

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

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

Jordan decomposition functional $C^*$-algebra [closed]

c-star-algebras topological-vector-spaces convex-hulls locally-convex-spaces

If I stretch a convex polygon, does the original fit into the streched version?

geometry polygons convex-hulls