Showing 2025 · math.COShow all
2 papers · 2 filters
math.CO2025
Weakly distance-regular digraphs of diameter 2
Xiangli Wang, Yuefeng Yang
Weakly distance-regular digraphs is a directed version of distance-regular graphs. In this paper, we characterize all weakly distance-regular digraphs of diameter 2.
math.CO2025
Semicomplete multipartite weakly distance-regular digraphs
Shuang Li, Yuefeng Yang, Kaishun Wang
A digraph is semicomplete multipartite if its underlying graph is a complete multipartite graph. As a special case of semicomplete multipartite digraphs, Jørgensen et al. \cite{JG1…