LIU Kai-kai (1994-), male, native of Ruzhou, Henan, postgraduate of Lanzhou Jiaotong University, engages in differential equations and dynamic systems; YANG Yun-rui (1979-), female, native of Tianshui, Gansu, professor of Lanzhou Jiaotong University, engages in nonlinear functional analysis, differential equations and dynamic systems; LI Xiao-wu (1997-), male, native of Fuyang, Anhui, postgraduate of Lanzhou Jiaotong University, engages in differential equations and dynamic systems.

Supported by

Supported by the NSF of China (Grant No. 11761046);

Science and Technology Plan Foundation of Gansu Province of China (Grant No. 20JR5RA411);

Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University.