Hong-Jian Lai

collaborators

2 papers

math.CO2026

Spectral radius and edge-disjoint spanning trees of graphs with edge connectivity

Jia Wei, Muhuo Liu, Zhifu You +1

Let $τ (G)$ denote the maximum number of pairwise edge-disjoint spanning trees contained in a graph $G$ . Zhang and Fan [J. Graph Theory, 2026] posed the problem of determining the c…

math.CO2026

Characterization of the structure of $k$ -edge-maximal graphs

Zheng-Jiang Xia, Hong-Jian Lai, Jian Lu +1

Let $κ^{'} (G)$ be the edge-connectivity of the graph $G$ . The \textit{strength} of $G$ , denoted by $κ^{'} (G)$ , is the maximum edge-connectivity of its subgraphs.…

Spectral radius and edge-disjoint spanning trees of graphs with edge connectivity

Characterization of the structure of k-edge-maximal graphs

Characterization of the structure of $k$ -edge-maximal graphs