Extremal antipodal polygons and polytopes

O. Aichholzer, L. E. Caraballo, J. M. Díaz-Báñez +3

Let $S$ be a set of $2n$ points on a circle such that for each point $p\in S$ also its antipodal (mirrored with respect to the circle center) point $p^{\prime }$ belongs to $S$. A polygon…