图论；组合最优化；

论文与著作

1.     Zhiquan Hu,  PeiSun (通讯作者),  Spanning 5-ended trees in K_1,5-freegraphs. Bulletin of the Malaysian Mathematical Sciences Society.

2.Pei Sun, Kai Liu, Spanning trees with at most 6 leaves in K_1,5-freegraphs. Mathematical Problems in Engineering.