期刊
KRAGUJEVAC JOURNAL OF MATHEMATICS
卷 42, 期 3, 页码 325-333出版社
UNIV KRAGUJEVAC, FAC SCIENCE
DOI: 10.5937/KgJMath1803325E
关键词
Second Zagreb index; subdivision; tree
类别
资金
- [Khansar-CMC-002]
For simple graph G with edge set E(G), the second Zagreb index of G is defined as M-2(G) = Sigma(uv is an element of E(G))[d(G)(u)d(G)(v)], where d(G)(v) is the degree of the vertex v in G. In this paper, we identify the nine classes of trees, which have the first to the sixth smallest second Zagreb indices, among all the trees of the order n >= 11.
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