Neighbor sum distinguishing index of 2-degenerate graphs
被引:5
|
作者:
Hu, Xiaolan
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h-index: 0
机构:
Cent China Normal Univ, Sch Math & Stat, Wuhan 430079, Hubei, Peoples R ChinaCent China Normal Univ, Sch Math & Stat, Wuhan 430079, Hubei, Peoples R China
Hu, Xiaolan
[1
]
Chen, Yaojun
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机构:
Nanjing Univ, Dept Math, Nanjing 210093, Jiangsu, Peoples R ChinaCent China Normal Univ, Sch Math & Stat, Wuhan 430079, Hubei, Peoples R China
Chen, Yaojun
[2
]
Luo, Rong
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h-index: 0
机构:
Jiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Peoples R ChinaCent China Normal Univ, Sch Math & Stat, Wuhan 430079, Hubei, Peoples R China
Luo, Rong
[3
]
Miao, Zhengke
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h-index: 0
机构:
Jiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Peoples R ChinaCent China Normal Univ, Sch Math & Stat, Wuhan 430079, Hubei, Peoples R China
Miao, Zhengke
[3
]
机构:
[1] Cent China Normal Univ, Sch Math & Stat, Wuhan 430079, Hubei, Peoples R China
[2] Nanjing Univ, Dept Math, Nanjing 210093, Jiangsu, Peoples R China
[3] Jiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Peoples R China
Neighbor sum distinguishing edge colorings;
2-Degenerate;
Maximum degree;
DISTINGUISHING EDGE COLORINGS;
D O I:
10.1007/s10878-017-0110-8
中图分类号:
TP39 [计算机的应用];
学科分类号:
081203 ;
0835 ;
摘要:
We consider proper edge colorings of a graph G using colors in . Such a coloring is called neighbor sum distinguishing if for each pair of adjacent vertices u and v, the sum of the colors of the edges incident with u is different from the sum of the colors of the edges incident with v. The smallest value of k in such a coloring of G is denoted by . In this paper we show that if G is a 2-degenerate graph without isolated edges, then .
机构:
Shandong Univ, Sch Management, Jinan 250100, Shandong, Peoples R ChinaShandong Univ, Sch Management, Jinan 250100, Shandong, Peoples R China
Zhang, Jianghua
Ding, Laihao
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h-index: 0
机构:
Shandong Univ, Sch Math, Jinan 250100, Shandong, Peoples R ChinaShandong Univ, Sch Management, Jinan 250100, Shandong, Peoples R China
Ding, Laihao
Wang, Guanghui
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h-index: 0
机构:
Shandong Univ, Sch Math, Jinan 250100, Shandong, Peoples R ChinaShandong Univ, Sch Management, Jinan 250100, Shandong, Peoples R China
Wang, Guanghui
Yan, Guiying
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h-index: 0
机构:
Chinese Acad Sci, Acad Math & Syst Sci, Beijing 10080, Peoples R ChinaShandong Univ, Sch Management, Jinan 250100, Shandong, Peoples R China
Yan, Guiying
Zhou, Shan
论文数: 0引用数: 0
h-index: 0
机构:
Jiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Jiangsu, Peoples R ChinaShandong Univ, Sch Management, Jinan 250100, Shandong, Peoples R China
机构:
Jiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Jiangsu, Peoples R ChinaJiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Jiangsu, Peoples R China
Miao, Zhengke
Shi, Rui
论文数: 0引用数: 0
h-index: 0
机构:
Jiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Jiangsu, Peoples R ChinaJiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Jiangsu, Peoples R China
Shi, Rui
Hu, Xiaolan
论文数: 0引用数: 0
h-index: 0
机构:
Cent China Normal Univ, Sch Math & Stat, Wuhan 430079, Peoples R ChinaJiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Jiangsu, Peoples R China
Hu, Xiaolan
Luo, Rong
论文数: 0引用数: 0
h-index: 0
机构:
West Virginia Univ, Dept Math, Morgantown, WV 26506 USAJiangsu Normal Univ, Sch Math & Stat, Xuzhou 221116, Jiangsu, Peoples R China