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author:

Hou, Jianfeng (Hou, Jianfeng.) [1] (Scholars:侯建锋) | Liu, Bin (Liu, Bin.) [2] | Liu, Guizhen (Liu, Guizhen.) [3] | Wu, Jianliang (Wu, Jianliang.) [4]

Indexed by:

EI Scopus SCIE

Abstract:

A total k-coloring of a graph G is a coloring of V (G) boolean OR E(G) using k colors such that no two adjacent or incident elements receive the same color. The total chromatic number chi ''(G) is the smallest integer k such that G has a total k-coloring. Let G be a planar graph with maximum degree Delta(G) and without 6-cycles. In this paper, it is proved that chi ''(G) = Delta(G) + 1 if Delta(G) >= 5 and G contains no 4-cycles, or Delta(G) >= 6 and G contains no 5-cycles. (C) 2010 Elsevier B.V. All rights reserved.

Keyword:

Cycle Planar graph Total chromatic number Total coloring

Community:

  • [ 1 ] [Hou, Jianfeng]Shandong Univ, Sch Math, Jinan 250100, Peoples R China
  • [ 2 ] [Liu, Bin]Shandong Univ, Sch Math, Jinan 250100, Peoples R China
  • [ 3 ] [Liu, Guizhen]Shandong Univ, Sch Math, Jinan 250100, Peoples R China
  • [ 4 ] [Wu, Jianliang]Shandong Univ, Sch Math, Jinan 250100, Peoples R China
  • [ 5 ] [Hou, Jianfeng]Fuzhou Univ, Ctr Discrete Math, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • [Liu, Guizhen]Shandong Univ, Sch Math, Jinan 250100, Peoples R China

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Source :

DISCRETE APPLIED MATHEMATICS

ISSN: 0166-218X

Year: 2011

Issue: 2-3

Volume: 159

Page: 157-163

0 . 7 9 5

JCR@2011

1 . 0 0 0

JCR@2023

ESI Discipline: ENGINEERING;

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 16

SCOPUS Cited Count: 16

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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