NP-completeness

On the Tractability of $(k,i)$-Coloring

In an undirected graph, a proper $(k,i)$-coloring is an assignment of a set of $k$ colors to each vertex such that any two adjacent vertices have at most $i$ common colors. The $(k,i)$-coloring problem is to compute the minimum number of colors …

On the Tractability of $(k,i)$-Coloring

In an undirected graph, a proper $(k,i)$-coloring is an assignment of a set of $k$ colors to each vertex such that any two adjacent vertices have at most $i$ common colors. The $(k,i)$-coloring problem is to compute the minimum number of colors …