$K_{1,3}$-covering red and blue points in the plane

Bernardo M. Ábrego, Silvia Fernández-Merchant, Mikio Kano +4

We say that a finite set of red and blue points in the plane in general position can be $K_{1,3}$-covered if the set can be partitioned into subsets of size $4$, with $3$ points of…