The extremal values of some topological indices in bipartite graphs with a given matching number. - Hanlin Chen; Renfang Wu; Hanyuan Deng (Appl. Math. Comput., 2016)

On the monotonicity of topological indices and the connectivity of a graph. - Renfang Wu; Hanlin Chen; Hanyuan Deng (Appl. Math. Comput., 2017)

A stronger relation between coloring number and the modification of Randic index. - Renfang Wu; Hanyuan Deng (Ars Comb., 2017)

Independent sets on the Towers of Hanoi graphs. - Hanlin Chen; Renfang Wu; Guihua Huang; Hanyuan Deng (Ars Math. Contemp., 2017)

On extremal bipartite graphs with given number of cut edges. - Hanlin Chen; Renfang Wu (Discret. Math. Algorithms Appl., 2020)

Maximum Balaban index and sum-Balaban index of cacti. - Yang Zuo; Yaqian Tang; Renfang Wu; Hanyuan Deng (Discret. Math. Algorithms Appl., 2020)