3 papers
math.CO2023
On bicyclic graphs with maximal Graovac-Ghorbani index
Rui Song, Saihua Liu, Jianping Ou
Graovac-Ghorbani index is a new version of the atom-bond connectivity index. D. Pacheco et al. [D. Pacheco, L. de Lima, C. S. Oliveira, On the Graovac-Ghorbani Index for Bicyclic G…
math.CO2022
A relation on trees and the topological indices based on subgraph
Rui Song, Qiongxiang Huang
A topological index reflects the physical, chemical and structural properties of a molecule, and its study has an important role in molecular topology, chemical graph theory and ma…
math.CO2020
The extremal graphs of order trees and their topological indices
Rui Song, Qiongxiang Huang, Peng Wang
Recently, D. Vukievi and J. Sedlar in \cite{Vuki} introduced an order "" on , the set of trees on vertices, such that the topologi…