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不含3-圈平面图的线性染色 被引量:3

Linear coloring of planar graphs without 3-cycles
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摘要 运用Discharging方法,研究了平面图的线性染色问题,证明了一个没有3-圈的平面图G的线性色数lc(G)≤「3Δ(G)」+2,其中Δ(G)表示G的最大度. It was studied the linear chromatic number lc(G) of planar graphs.Using the method of discharging,it was proved that for every planar graph G without 3-cycles,lc(G)≤「3Δ(G)/2」+2,where Δ(G) denoted the maximum degree of G.
作者 王侃
出处 《浙江师范大学学报(自然科学版)》 CAS 2011年第2期135-140,共6页 Journal of Zhejiang Normal University:Natural Sciences
基金 国家自然科学基金资助项目(10771197 11071223) 浙江省自然科学基金重点资助项目(Z6090150)
关键词 平面图 线性染色 最大度 planar graphs linear coloring cycle maximum degree
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参考文献8

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同被引文献18

  • 1Yuster R. Linear coloring of graphs[J]. Discrete Math, 1998, 185(1/2/3) : 293 -297. 被引量:1
  • 2Esperet L, Montassier M, Raspaud A. Linear choosability of graphs[J]. Discrete Math, 2008, 308 (17) : 3938 - 3950. 被引量:1
  • 3Li Chao, Wang Weifan, Raspaud A. Upper bounds on the linear chromatic number of graph[J]. Discrete Math, 2011, 311(4): 232-238. 被引量:1
  • 4Yuster R. Linear coloring of graphs. Discrete Math., 1998, 185: 293-297. 被引量:1
  • 5Grunbanm B. Acyclic colorings of planar graphs. Israel J. Math., 1973, 14: 390-408. 被引量:1
  • 6Esperet L, Montassier M, Raspaud A. Linear choosability of graphs. Discrete Math., 2008, 308: 3938-3950. 被引量:1
  • 7Raspaud A, Wang W. Linear coloring of planar graphs with large girth. Discrete Math., 2009, 309: 5678-5686. 被引量:1
  • 8Li C., Wang W., Raspaud A. Upper bounds on the linear chromatic number of graph. Discrete Math., 2011, 311: 232-238. 被引量:1
  • 9Yuster R. Linear coloring of graphs [ J ]. Discrete Math, 1998,185 ( 1/2/3 ) :293 -297. 被引量:1
  • 10Grtinhaum B. Aeyclie colorings of planar graphs [ J ]. Israel J Math, 1973,14 (4) : 390~08. 被引量:1

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