Neighbor sum distinguishing index of 2-degenerate graphs
被引:5
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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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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:
China Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R China
Song, Wen-Yao
Miao, Lian-Ying
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h-index: 0
机构:
China Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R ChinaChina Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R China
Miao, Lian-Ying
Duan, Yuan-Yuan
论文数: 0引用数: 0
h-index: 0
机构:
Zaozhuang Univ, Sch Math & Stat, Zaozhuang 277160, Peoples R ChinaChina Univ Min & Technol, Sch Math, Xuzhou 221116, Jiangsu, Peoples R China
机构:
Serbian Acad Arts & Sci, Math Inst, Kneza Mihaila 36,POB 367, Belgrade 11001, SerbiaSerbian Acad Arts & Sci, Math Inst, Kneza Mihaila 36,POB 367, Belgrade 11001, Serbia