Abstract

An edge-face coloring of a plane graph with edge set E and face set F is a coloring of the elements of EF such that adjacent or incident elements receive different colors. Borodin [22] proved that every plane graph of maximum degree Δ10 can be edge-face colored with Δ+1 colors. Borodin’s bound was recently extended to the case where Δ=9. In this paper, we extend it to the case Δ=8.

MSC codes

  1. 05C15

Keywords

  1. graph coloring
  2. edge-face coloring
  3. plane graphs

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References

1.
O. V. Borodin, Coupled colorings of graphs on a plane, Metody Diskret. Anal., 45 (1987), pp. 21–27, 95, (in Russian).
2.
O. V. Borodin, Simultaneous coloring of edges and faces of plane graphs, Discrete Math., 128 (1994), pp. 21–33.
3.
J. Fiamičík, Simultaneous coloring of 4-valent maps, Mat. Časopis Sloven. Akad. Vied, 21 (1971), pp. 9–13.
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E. Jucovič, On a problem in map coloring. Mat. Časopis Sloven. Akad. Vied, 19 (1969), pp. 225–227;
Errata ibid, 20 (1970), p. 224.
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L. S. Mel’nikov, Problem 9, in Recent Advances in Graph Theory, Proc. International Symposium, Prague, 1974, M. Fiedler, ed. Academia Praha, 1975, p. 543.
6.
D. P. Sanders and Y. Zhao, On simultaneous edge-face colorings of plane graphs, Combinatorica, 17 (1997), pp. 441–445.
7.
D. P. Sanders and Y. Zhao, On improving the edge-face colorings theorem, Graphs Combin., 17 (2001), pp. 329–341.
8.
J.-S. Sereni and M. Stehlík, Edge-face coloring of plane graphs with maximum degree nine, J. Graph Theory, 66 (2011), pp. 332–346.
9.
A. O. Waller, Simultaneously coloring the edges and faces of plane graphs, J. Combin. Theory Ser. B, 69 (1997), pp. 219–221.

Information & Authors

Information

Published In

cover image SIAM Journal on Discrete Mathematics
SIAM Journal on Discrete Mathematics
Pages: 514 - 533
ISSN (online): 1095-7146

History

Submitted: 28 December 2009
Accepted: 25 February 2011
Published online: 24 June 2011

MSC codes

  1. 05C15

Keywords

  1. graph coloring
  2. edge-face coloring
  3. plane graphs

Authors

Affiliations

Jean-Sébastien Sereni

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