On extremal spectral results of digraphs based on sum distance. - Leyou Xu; Bo Zhou 007 (Discret. Appl. Math., 2022)

On the residual closeness of graphs with cut vertices. - Chengli Li; Leyou Xu; Bo Zhou 007 (J. Comb. Optim., 2023)

Link Residual Closeness of Graphs with Fixed Parameters. - Leyou Xu; Chengli Li; Bo Zhou 007 (Comput. J., 2024)

Laplacian eigenvalue distribution and diameter of graphs. - Leyou Xu; Bo Zhou 007 (Discret. Math., 2024)

On spectral properties of digraphs about maximum distance. - Leyou Xu; Shilin Wang; Bo Zhou 007 (RAIRO Oper. Res., 2024)

The path-index of a graph. - Leyou Xu; Bo Zhou 007 (Appl. Math. Comput., 2024)

Hamiltonicity of 1-tough (P2 ∪ kP1)-free graphs. - Leyou Xu; Chengli Li; Bo Zhou 007 (Discret. Math., 2024)

Normalized Laplacian Eigenvalues of Hypergraphs. - Leyou Xu; Bo Zhou 007 (Graphs Comb., 2024)

Answers to Gould's Question Concerning the Existence of Chorded Cycles. - Leyou Xu; Bo Zhou 007 (Graphs Comb., 2024)

A note on a spectral condition for the existence of $K_1 vee P_4$. - Jin Cai; Leyou Xu (Comput. Appl. Math., 2025)