Notes on the sum of powers of the signless Laplacian eigenvalues of graphs. - Lihua You; Jieshan Yang (Ars Comb., 2014)

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)