Strong list-chromatic index of subcubic graphs
Strong list-chromatic index of subcubic graphs
复制标题
次立方图的强表色指数
DOI:
10.1016/j.disc.2018.08.028
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发表时间:
2018-09
影响因子:
0.8
通讯作者:
Yu Gexin
中科院分区:
文献类型:
--
作者:
Dai Tianjiao;Wang Guanghui;Yang Donglei;Yu Gexin
A strong k-edge-coloring of a graph G is an edge-coloring with k colors in which every color class is an induced matching. The strong chromatic index of G, denoted by χ s′(G), is the minimum k for which G has a strong k-edge-coloring. In 1985, Erdős and Nešetřil conjectured that χ s′(G)≤ 5 4 Δ (G) 2, where Δ (G) is the maximum degree of G. When G is a graph with maximum degree at most 3, the conjecture was verified independently by Andersen and Horák, Qing, and Trotter. In this paper, we consider the list version of strong edge-coloring. In particular, we show that every subcubic graph has strong list-chromatic index at most 11 and every planar subcubic graph has strong list-chromatic index at most 10.
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影响因子:
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影响因子:
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