Hong Ge

collaborators

2 papers

math.CO2026

Connected graphs having maximum signless Laplacian spectral radius

Di-Jian Wang, Hong-Yan Ge, Shi-Cai Gong +1

Let $ρ (G)$ denote the signless Laplacian spectral radius of a graph $G$ , and let $C_{n, m}$ be the family of connected graphs of order $n$ and size $m$ . A graph is $Q$ -maxi…

math.CO2024

The number of dissociation sets in connected graphs

Bo-Jun Yuan, Ni Yang, Hong-Yan Ge +1

Extremal problems related to the enumeration of graph substructures, such as independent sets, matchings, and induced matchings, have become a prominent area of research with the a…