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IEICE TRANSACTIONS on Fundamentals

List Edge-Colorings of Series-Parallel Graphs

Tomoya FUJINO, Xiao ZHOU, Takao NISHIZEKI

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Summary :

Assume that each edge e of a graph G is assigned a list (set) L(e) of colors. Then an edge-coloring of G is called an L-edge-coloring if each edge e of G is colored with a color contained in L(e). In this paper, we prove that any series-parallel simple graph G has an L-edge-coloring if |L(e)| max{3,d(v),d(w)} for each edge e = vw, where d(v) and d(w) are the degrees of the ends v and w of e, respectively. Our proof yields a linear algorithm for finding an L-edge-coloring of series-parallel graphs.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E86-A No.5 pp.1034-1045
Publication Date
2003/05/01
Publicized
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Type of Manuscript
Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
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