LI Nan (1998-), female, native of Zhengzhou, Henan, postgraduate of Henan University of Science and Technology, engages in nonlinear analysis; ZHAO Hui-yan (2001-), female, student of Henan University of Science and Technology; XU Li-ping (1972-), female, native of Luoyang, Henan, professor of Henan University of Science and Technology, engages in nonlinear analysis.

Supported by

Supported by National Natural Science Foundation of China (Grant Nos. 11671403 and 11671236); Henan Provincial General Natural Science Foundation Project (Grant No. 232300420113); National Natural Science Foundation of China Youth Foud of China Youth Foud (Grant No. 12101192).