On a conjecture of the Randic index. - Zhifu You; Bolian Liu (Discret. Appl. Math., 2009)

On the Laplacian spectral ratio of connected graphs. - Zhifu You; Bolian Liu (Appl. Math. Lett., 2012)

On the Laplacian-Energy-Like of graphs. - Zhifu You; Bolian Liu (Ars Comb., 2013)

Comment on "Kirchhoff index in line, subdivision and total graphs of a regular graph". - Zhifu You; Lihua You; Wenxi Hong (Discret. Appl. Math., 2013)

The Majorization Theorem for Signless Laplacian Spectral Radii of Connected Graphs. - Bolian Liu; Muhuo Liu; Zhifu You (Graphs Comb., 2013)

The Maximal Total Irregularity of Unicyclic Graphs. - Lihua You; Jieshan Yang; Zhifu You (Ars Comb., 2014)

The Maximal Total Irregularity of Bicyclic Graphs. - Lihua You; Jieshan Yang; Yingxue Zhu; Zhifu You (J. Appl. Math., 2014)

Spectral analogues of Erdős' theorem on Hamilton-connected graphs. - Jia Wei; Zhifu You; Hong-Jian Lai (Appl. Math. Comput., 2019)

Spanning connectivity of K1,r-free split graphs. - Wei Xiong; Xing Chen; Yang Wu; Zhifu You; Hong-Jian Lai (Discret. Appl. Math., 2024)