Geometric Approximation II

5.3.1. Convex geometry:

Radon-Tverberg's theorem, Helly's theorem.

5.3.2. Center points:

existence, exact calculation, constant-factor approximations.

-- TD:

Some application of 3D medians (TBA).

-- TD:

$\epsilon$-nets with applications to point location (or nearest neighbor problems)(TBA).