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The minimum Wiener index of unicyclic graphs with a fixed diameter
被引:10
|作者:
Tan, Shang-wang
[1
]
机构:
[1] China Univ Petr, Coll Sci, Qingdao 266580, Peoples R China
关键词:
Wiener index;
Unicyclic graph;
Pendant vertex;
Diameter;
MATCHING NUMBER;
ORDERING TREES;
MAXIMUM DEGREE;
D O I:
10.1007/s12190-016-1063-2
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
The Wiener index is the sum of distances between all pairs of distinct vertices in a connected graph, which is the oldest topological index related to molecular branching. In the article we characterize the graphs having the minimum Wiener index among all n-vertex unicyclic graphs with a fixed diameter.
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页码:93 / 114
页数:22
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