Abstract
The linear arboricity la(G) of a graph G is the minimum number of linear forests which partition the edges of G. In this paper, it is proved that for a planar graph G, \({la(G)=\lceil\frac{\Delta(G)}{2}\rceil}\) if Δ(G) ≥ 7 and G has no 5-cycles with chords, or Δ(G) ≥ 5 and G has no 5-, 6-cycles with chords.
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This work was partially supported by National Natural Science Foundation of China (10971121, 60373025, 60873207).
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Chen, H., Tan, X., Wu, J. et al. The Linear Arboricity of Planar Graphs without 5-, 6-Cycles with Chords. Graphs and Combinatorics 29, 373–385 (2013). https://doi.org/10.1007/s00373-011-1118-y
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DOI: https://doi.org/10.1007/s00373-011-1118-y