New results on the coarseness of bicolored point sets

J. M. Díaz-Báñez, R. Fabila-Monroy, P. Pérez-Lantero +1

Let $S$ be a 2-colored (red and blue) set of $n$ points in the plane. A subset $I$ of $S$ is an island if there exits a convex set $C$ such that $I=C\cap S$. The discrepancy of an…