On extended connectivity indices

被引:9
作者
Zhou, Bo [1 ]
Trinajstic, Nenad [2 ]
机构
[1] S China Normal Univ, Dept Math, Guangzhou 510631, Guangdong, Peoples R China
[2] Rudjer Boskovic Inst, Zagreb 10002, Croatia
关键词
Connectivity index; Extended connectivity indices; Properties; Zagreb indices; MOLECULAR CONNECTIVITY; ZAGREB INDEXES; GRAPH-THEORY; ORBITALS; TRENDS;
D O I
10.1007/s10910-008-9500-6
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Bonchev and Kier proposed sometime ago the extended connectivity indices which may be used in structure-property-activity modeling. We establish some properties, mainly various lower and upper bounds for the first extended zeroth-order connectivity index (0)chi (1) and the first extended first-order connectivity index (1)chi (1).
引用
收藏
页码:1172 / 1180
页数:9
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