Some new lower bounds on the algebraic connectivity of graphs
被引:0
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作者:
Lin, Zhen
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机构:
Qinghai Normal Univ, Sch Math & Stat, Xining 810008, Qinghai, Peoples R ChinaQinghai Normal Univ, Sch Math & Stat, Xining 810008, Qinghai, Peoples R China
Lin, Zhen
[1
]
Zhang, Rong
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机构:
Yancheng Teachers Univ, Sch Math & Stat, Yancheng 224002, Jiangsu, Peoples R ChinaQinghai Normal Univ, Sch Math & Stat, Xining 810008, Qinghai, Peoples R China
Zhang, Rong
[2
]
Wang, Juan
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机构:
Qufu Normal Univ, Sch Management, Rizhao 276826, Shandong, Peoples R ChinaQinghai Normal Univ, Sch Math & Stat, Xining 810008, Qinghai, Peoples R China
Wang, Juan
[3
]
机构:
[1] Qinghai Normal Univ, Sch Math & Stat, Xining 810008, Qinghai, Peoples R China
[2] Yancheng Teachers Univ, Sch Math & Stat, Yancheng 224002, Jiangsu, Peoples R China
[3] Qufu Normal Univ, Sch Management, Rizhao 276826, Shandong, Peoples R China
algebraic connectivity;
spanning trees;
first Zagreb index;
LAPLACIAN SPECTRUM;
EIGENVALUES;
RESISTANCE;
D O I:
10.47443/cm.2023.016
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
The second-smallest eigenvalue of the Laplacian matrix of a graph G is called the algebraic connectivity of G , which is one of the most-studied parameters in spectral graph theory and network science. In this paper, we obtain some new lower bounds of the algebraic connectivity by rank-one perturbation matrix and compare them with known results.
机构:
Anhui Univ, Sch Math Sci, Hefei 230601, Peoples R ChinaAnhui Univ, Sch Math Sci, Hefei 230601, Peoples R China
Xu, Jing
Fan, Yi-Zheng
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机构:
Anhui Univ, Sch Math Sci, Hefei 230601, Peoples R ChinaAnhui Univ, Sch Math Sci, Hefei 230601, Peoples R China
Fan, Yi-Zheng
Tan, Ying-Ying
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h-index: 0
机构:
Anhui Univ, Sch Math Sci, Hefei 230601, Peoples R China
Anhui Jianzhu Univ, Sch Math & Phys, Hefei 230601, Peoples R ChinaAnhui Univ, Sch Math Sci, Hefei 230601, Peoples R China
机构:
Univ Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China
Li, Xiuxian
Chen, Michael Z. Q.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China
Chen, Michael Z. Q.
Su, Housheng
论文数: 0引用数: 0
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机构:
Huazhong Univ Sci & Technol, Sch Automat, Image Proc & Intelligent Control Key Lab, Educ Minist China, Wuhan 430074, Peoples R ChinaUniv Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China
Su, Housheng
Li, Chanying
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Acad Math & Syst Sci, Key Lab Syst & Control, Beijing 100190, Peoples R ChinaUniv Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China