彩春丽,陶黄林,彭嘉昊
围长至少为5的平面图的线性着色
*彩春丽1,陶黄林1,彭嘉昊2
(1.井冈山大学数理学院,江西,吉安 343009;2.华中科技大学数学与统计学院,湖北,武汉 430074)
围长;平面图;线性着色;线性色数
得
给出权值分配规则如下:
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[2] Raspaud A, Wang W F. Linear coloring of planar graphs with large girth[J]. Discrete Math, 2009,309:5678-5686.
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[4] Liu B, Liu G Z. New upper bounds on linear coloring of planar graphs[J]. ActaMathematicaSinica,English Series, 2012, 28(6):1187-1196.
[5] 王侃,王维凡.围长至少为5的平面图的线性染色[J].数学研究,2011,44(1):76-85.
[6] Dong W, Lin W S. On linear coloring of planar graphs with small girth[J]. Discrete Applied Mathematics, 2014, 173: 35-44.
[7] Cai C L,Xie D Z, Yang W J. A result on linear coloring of planar graphs[J]. Information Processing Letters, 2012, 112(22): 880-884.
[8] Wang Y Q, Wu Q. Linear coloring of sparse graphs[J]. Discrete Applied Mathematics, 2012, 160: 664-772.
[9] Wang W F, Wang Y Q. Linear coloring of planar graphs without 4-cycles[J]. Graphs and Combinatorics,2013, 29: 1113-1124
LINEAR COLORING OF PLANAR GRAPHS WITH GIRTH AT LEAST 5
*CAI Chun-li1, TAO Huang-lin1, PENG Jia-hao2
(1.School of Mathematics and Physics, Jinggangshan University, Ji’an, Jiangxi 343009, China;School of Mathematics and Statistics, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China)
girth; planar graphs; linear coloring; linear chromatic number
O157.5
A
10.3669/j.issn.1674-8085.2021.03.002
1674-8085(2021)03-0008-04
2021-01-09;
2021-02-19
*彩春丽(1986-),女,河南商丘人,助教,硕士,主要从事图论及其应用研究(E-mail:caichunli_0370@126.com);
陶黄林(1981-),女,湖北黄冈人,讲师,主要从事运筹学研究(E-mail:jgsxythl@126.com);
彭嘉昊(2000-),男,江西南昌人,华中科技大学数学与统计学院应用数学专业2018级本科生(E-mail:1434905468@qq.com).