edge coloring
an assignment of colors to the edges of a graph so that no two edges that share an endpoint have the same color as each other
en-GB/ˈɛd͡ʒ kɒləɹɪŋ/
en-US/ˈɛd͡ʒ ˈkʌlɚɪŋ/
an assignment of colors to the edges of a graph so that no two edges that share an endpoint have the same color as each other