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Abstract：
The second Zagreb index M2(G) of a (molecule) graph G is the sum of the weights d(u)d(v) of all edges uv in G, where d(u) denotes the degree of the vertex u. In this paper, we give a sharp upper bound on the second Zagreb index of conjugated trees (trees with a perfect matching) in terms of the number of vertices. A sharp upper bound on the second Zagreb index of trees with a given size of matching is also given.
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ISSN： 0340-6253
Year： 2008
Issue： 1
Volume： 60
Page： 57-64
3 . 5
JCR@2008
2 . 9 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：1
Cited Count：
SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 0
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