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author:

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

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Abstract:

A total k-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. In this paper, it is proved that the total chromatic number of any graph G embedded in a surface Σ of Euler characteristic χ(Σ) ≥ 0 is Δ(G) + 1 if Δ(G) ≥ 10, where Δ(G) denotes the maximum degree of G. © 2010 Science China Press and Springer-Verlag Berlin Heidelberg.

Keyword:

Euler characteristic; surface; total chromatic number; total coloring

Community:

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

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Source :

Science China Mathematics

ISSN: 1674-7283

Year: 2010

Issue: 8

Volume: 53

Page: 2127-2133

1 . 4 0 0

JCR@2023

JCR Journal Grade:4

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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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