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Extremal Mostar indices of tree-like polyphenyls

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成果类型:
期刊论文
作者:
Deng, Kecai;Li, Shuchao*
通讯作者:
Li, Shuchao
作者机构:
[Deng, Kecai] Huaqiao Univ, Sch Math Sci, Quanzhou, Peoples R China.
[Li, Shuchao] Cent China Normal Univ, Fac Math & Stat, Wuhan 430079, Peoples R China.
通讯机构:
[Li, Shuchao] C
Cent China Normal Univ, Fac Math & Stat, Wuhan 430079, Peoples R China.
语种:
英文
关键词:
Benzene;Forestry;Polycyclic aromatic hydrocarbons;Absolute values;Benzene ring;Chemical graphs;Extremal;Graph G;Polyphenyls;Research problems;Trees (mathematics)
期刊:
International Journal of Quantum Chemistry
ISSN:
0020-7608
年:
2021
卷:
121
期:
9
页码:
e26602-
基金类别:
Kecai Deng is partially supported by NSFC (No. 11701195) and by Scientific Research Funds of Huaqiao University (No. 16BS808) and Shuchao Li is partially supported by NSFC (No. 11671164). Scientific Research Funds of Huaqiao University, Grant/Award Number: 16BS808; NSFC, Grant/Award Numbers: 11671164, 11701195 Funding information
机构署名:
本校为通讯机构
院系归属:
数学与统计学学院
摘要:
AbstractGiven a graph G, the Mostar index Mo(G) is the sum of absolute values of the differences between nu(e) and nv(e) over all edges e = uv of G, where nu(e) and nv(e) are, respectively, the number of vertices of G lying closer to u than to v and the number of vertices of G lying closer to v than to u. A tree‐like polyphenyl is a polycyclic aromatic hydrocarbon consisting of benzene rings, whose chemical graph will tend to a tree after contracting each hexagon into a vertex (the tree is called a contracted tree). A polyphenyl chain is a tre...

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