期刊文献+

最大度是5的可平面图是第一类的充分条件 被引量:3

A sufficient condition for a planar graph of maximum degree five to be class 1
原文传递
导出
摘要 运用Discharge方法以及临界图的一些重要性质证明了:每个最大度为5且不含四圈五圈的简单平面图的边色数等于5,即这样的平面图是第一类的。给出了最大度为5的平面图分类的一个特征刻画。 It is proved that the chromatic index of every simple planar graph G with △=5 and without 4-cycles and 5-cycles equals to 5,i.e,such planar graphs are class 1.
出处 《山东大学学报(理学版)》 CAS CSCD 北大核心 2010年第4期24-26,30,共4页 Journal of Shandong University(Natural Science)
基金 中国矿业大学青年科研基金资助项目(2009A041)
关键词 平面图 边染色 最大度 第一类图 planar graph edge coloring maximum degree class 1
  • 相关文献

参考文献7

  • 1VIZING V G. On an estimate of the chromatic index of a p-graph[J]. Diskret Analiz, 1964, 3( 1 ) :25-30.
  • 2VIZING V G. Critical graphs with given chromatic class[J]. Diskret Analiz, 1965, 5 (1) :9-17.
  • 3SANDERS D P, ZHAO Yue. Planar graphs of maximum degree seven are class 1[J]. Combin Theory: Ser B, 2001, 83 (2) : 201-212.
  • 4ZHANG Liming. Every planar with maximum degree 7 is of class 1[J]. Graphs Combin, 2000, 16(4) :467-495.
  • 5ZHOU Guofei. A note on graphs of class 1 [J]. Discrete Math, 2003, 262(1-3) :339-345.
  • 6BU Yuehua, Wang Weifan. Some sufficient conditions for a planar graph of maximum degree six to be class 1 [J]. Discrete Math, 2006, 306 (13) : 1440-1445.
  • 7LI Xuechao, Luo Rong. Edge coloring of embedded graphs with large girth [J].Graphs Combin, 2003, 19 (3) :393-401.

同被引文献17

  • 1Bu Yuehua,Wang Weifan. Some sufficient conditions for a planar graph of maximum degree six to be class 1 [J]. Discrete Math, 2006,306 (13): 1440-1445.
  • 2Li Xuechao, Luo Rong. Edge coloring of embedded graphs with large girth[J]. Graphs Combin, 2003,19 (3):393-401.
  • 3Vizing V G. On an estimate of the chromatic index of a p-graph[J]. Diskret Analiz, 1964,3 ( 1 ) : 25-30.
  • 4Vizing V G. Critical graphs with given chromatic class[J]. Diskret Analiz, 1965,5 (1):9-17.
  • 5Sanders D P,Zhao Yue. Planar graphs of maximum degree seven are class 1[J]. Combin Theory Ser B,2001,83(2) :201-212.
  • 6Zhang Liming. Every planar with maximum degree 7 is of class 1[J]. Graphs Combin ,2000,16(4) :467-495.
  • 7Zhou Guofei. A note on graphs of class l[J]. Discrete Math,2003,262(1-3):339-345.
  • 8V izing V G. On an estimate of the chromatic index of a p-graph [ J]. Diskret Analiz, 1964, 3( 1):25-30.
  • 9Vizing V G. Critical graphs with given chromatic class [J]. Diskret Analiz, 1965, 5(1) :9-17.
  • 10Sanders D P, Zhao Y. Planar graphs of maximum degree seven are class 1 [ J]. Combin Theory Ser B, 2001, 83(2) :201 - 212.

引证文献3

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部