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author:

Hou, J. (Hou, J..) [1] | Liu, B. (Liu, B..) [2] | Liu, G. (Liu, G..) [3] | Wu, J. (Wu, J..) [4]

Indexed by:

Scopus

Abstract:

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

Keyword:

Cycle; Planar graph; Total chromatic number; Total coloring

Community:

  • [ 1 ] [Hou, J.]Center for Discrete Mathematics, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Hou, J.]School of Mathematics, Shandong University, Jinan 250100, China
  • [ 3 ] [Liu, B.]School of Mathematics, Shandong University, Jinan 250100, China
  • [ 4 ] [Liu, G.]School of Mathematics, Shandong University, Jinan 250100, China
  • [ 5 ] [Wu, J.]School of Mathematics, Shandong University, Jinan 250100, China

Reprint 's Address:

  • [Liu, G.]School of Mathematics, Shandong University, Jinan 250100, 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

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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