Correction of the paper "Bicyclic graphs with extremal values of PI index". - Gang Ma 005; Qiuju Bian (Discret. Appl. Math., 2016)

The maximum matching energy of bicyclic graphs with even girth. - Gang Ma 005; Shengjin Ji; Qiuju Bian; Xia Li (Discret. Appl. Math., 2016)

The minimum matching energy of tricyclic graphs and given girth and without K4-subdivision. - Gang Ma 005; Shengjin Ji; Qiuju Bian; Xia Li (Ars Comb., 2017)

Bounds on the PI index of unicyclic and bicyclic graphs with given girth. - Gang Ma 005; Qiuju Bian; Jianfeng Wang (Discret. Appl. Math., 2017)

The weighted vertex PI index of bicyclic graphs. - Gang Ma 005; Qiuju Bian; Jianfeng Wang (Discret. Appl. Math., 2018)

The weighted vertex PI index of (n, m)-graphs with given diameter. - Gang Ma 005; Qiuju Bian; Jianfeng Wang (Appl. Math. Comput., 2019)

The maximum PI index of bicyclic graphs with even number of edges. - Gang Ma 005; Qiuju Bian; Jianfeng Wang (Inf. Process. Lett., 2019)

The weighted vertex PI index of tricyclic graphs. - Gang Ma 005; Qiuju Bian; Jianfeng Wang (Discret. Appl. Math., 2023)

On {1,2}-distance-balancedness of generalized Petersen graphs. - Gang Ma 005; Jianfeng Wang; Sandi Klavzar (Discret. Math., 2025)