Date: 09 Jun 2005

Algorithms for finding f-colorings of partial k-trees

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Abstract

In an ordinary edge-coloring of a graph G=(V, E) each color appears at each vertex v ∈ V at most once. An f-coloring is a generalized edge-coloring in which each color appears at each vertex v ∈ V at most f(v) times, where f(v) is a positive integer assigned to v. This paper gives a linear-time sequential algorithm and an optimal parallel algorithm which find an f-coloring of a givenpartial k-tree with the minimum number of colors.