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&...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2020-11-01
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Series: | Mathematics |
Subjects: | |
Online Access: | https://www.mdpi.com/2227-7390/8/11/1920 |