Some improved inequalities related to Vizing's conjecture. - Li-Dan Pei; Xiang-Feng Pan; Fu-Tao Hu (Inf. Process. Lett., 2018)

The minimum eccentric distance sum of trees with given distance k-domination number. - Li-Dan Pei; Xiang-Feng Pan (Discret. Math. Algorithms Appl., 2020)

Proofs of the AutoGraphiX conjectures on the domination number, average eccentricity and proximity. - Li-Dan Pei; Xiangfeng Pan; Kun Wang; Jing Tian (Discret. Appl. Math., 2021)