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Strong Edge Coloring of Generalized Petersen Graphs
Mathematics ( IF 2.4 ) Pub Date : 2020-08-02 , DOI: 10.3390/math8081265 Ming Chen , Lianying Miao , Shan Zhou
Mathematics ( IF 2.4 ) Pub Date : 2020-08-02 , DOI: 10.3390/math8081265 Ming Chen , Lianying Miao , Shan Zhou
A strong edge coloring of a graph G is a proper edge coloring such that every color class is an induced matching. In 2018, Yang and Wu proposed a conjecture that every generalized Petersen graph with and can be strong edge colored with (at most) seven colors. Although the generalized Petersen graph is a kind of special graph, the strong chromatic index of is still unknown. In this paper, we support the conjecture by showing that the strong chromatic index of every generalized Petersen graph with and is at most 9.
中文翻译:
广义Petersen图的强边着色
图G的强边缘着色是适当的边缘着色,以使每个颜色类别都是诱导匹配。杨和吴在2018年提出了一个猜想,即每个广义Petersen图 与 和 可以是最多(最多)七种颜色的坚硬边缘。虽然广义的Petersen图 是一种特殊的图形, 仍然未知。在本文中,我们通过证明每个广义Petersen图的强色指数来支持该猜想 与 和 最多为9。
更新日期:2020-08-02
中文翻译:
广义Petersen图的强边着色
图G的强边缘着色是适当的边缘着色,以使每个颜色类别都是诱导匹配。杨和吴在2018年提出了一个猜想,即每个广义Petersen图