H. Lei

collaborators

2 papers

math.CO2026

Reconfiguration graphs of $K_{2, 3}$ -minor-free graphs

Ruijuan Gu, Hui Lei, Zhaoxiang Li +2

The $ℓ$ -reconfiguration graph of a graph $G$ , denoted by $R_{ℓ} (G)$ , is the graph whose vertices are the proper $ℓ$ -colorings of $G$ , with an edge between two co…

math.CO2024

The Minimum Weighting Ratio Problem and Its Application in Chordal Graphs

Hui Lei, Mei Lu, Yongtang Shi +2

Constructing the maximum spanning tree $T$ of an edge-weighted connected graph $G$ is one of the important research topics in computer science and optimization, and the related res…

Reconfiguration graphs of K2,3​-minor-free graphs

The Minimum Weighting Ratio Problem and Its Application in Chordal Graphs

Reconfiguration graphs of $K_{2, 3}$ -minor-free graphs