Every Planar Graph with the Distance of 5<sup>−</sup>-Cycles at Least 3 from Each Other Is DP-3-Colorable

DP-coloring was introduced by Dvořák and Postle [J. Comb. Theory Ser. B 2018, 129, 38–54]. In this paper, we prove that every planar graph in which the 5<inline-formula><math display="inline"><semantics><msup><mrow></mrow><mo>−</mo></msup&...

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Bibliographic Details
Main Authors: Yueying Zhao, Lianying Miao
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/8/11/1920