The wide-diameter of Zn, k. - Hao Qi 001; Xuding Zhu (Discret. Appl. Math., 2017)

The fault-diameter and wide-diameter of twisted hypercubes. - Hao Qi 001; Xuding Zhu (Discret. Appl. Math., 2018)

Randomly twisted hypercubes. - Andrzej Dudek; Xavier Pérez-Giménez; Pawel Pralat; Hao Qi 001; Douglas B. West; Xuding Zhu (Eur. J. Comb., 2018)

Generalized signed graphs of large girth and large chromatic number. - Yangyan Gu; Hao Qi 001; Yeong-Nan Yeh; Xuding Zhu (Discret. Math., 2022)

3-Degenerate induced subgraph of a planar graph. - Yangyan Gu; Hal A. Kierstead; Sang-il Oum; Hao Qi 001; Xuding Zhu (J. Graph Theory, 2022)