期刊
JOURNAL OF MATHEMATICAL CHEMISTRY
卷 47, 期 1, 页码 210-218出版社
SPRINGER
DOI: 10.1007/s10910-009-9542-4
关键词
Randic connectivity index; Sum-connectivity index; General Randic connectivity index; General sum-connectivity index
资金
- Guangdong Provincial Natural Science Foundation of China [8151063101000026]
- Ministry of Science, Education and Sports of Croatia [098-1770495-2919]
We report some properties especially lower and upper bounds in terms of other graph invariants for the general sum-connectivity index which generalizes both the ordinary sum-connectivity index and the first Zagreb index. Additionally, we give the Nordhaus-Gaddum-type result for the general sum-connectivity index.
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