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arXiv 1910.10312math.CO
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直径为2的可平面图的DP-染色

DP-coloring for planar graphs of diameter two

Jingran Qi, Danjun Huang, Weifan Wang, Stephen Finbow

摘要:

DP着色(也称为对应着色)是Dvourák和Postle(2017)引入的列表着色的推广。最近,Huang等人[https://doi.org/10.1016/j.amc.2019.124562]证明了直径至多为2的可平面图是$4$ -可选的。本文证明了直径不超过2的可平面图是DP- $4$ -可着色的,这是上述结果的推广。

英文摘要:

DP-coloring (also known as correspondence coloring) is a generalization of list coloring introduced by Dvourák and Postle (2017). Recently, Huang et al. [https://doi.org/10.1016/j.amc.2019.124562] showed that planar graphs with diameter at most two are $4$-choosable. In this paper, we will prove that planar graphs with diameter at most two are DP-$4$-colorable, which is an extension of the above result.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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