Planar Graphs with the Distance of 6<sup>-</sup>-Cycles at Least 2 from Each Other Are DP-3-Colorable
DP-coloring as a generalization of list coloring was introduced by Dvořák and Postle recently. In this paper, we prove that every planar graph in which the distance between 6<inline-formula><math display="inline"><semantics><msup><mrow></mrow><mo>−...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2020-12-01
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Series: | Mathematics |
Subjects: | |
Online Access: | https://www.mdpi.com/2227-7390/9/1/70 |