YIN Fu-qi(1970-), male, native of Xiangtan, Hunan, assistant professor of Xiangtan University, engages in innite dynanmical system and stochastic dynanmical system; JIANG Hong(1990-), female, native of Fuyang, Anhui, a teacher of Shangqiu Institute of Technology,engages in ODE; JIN Meng-zhao(1996-),male,native of Luoyang, Henan, a undergraduate student of Xiangtan University, engages in mathematics and applied mathematics; LIU Zhi-qi(1973-), male, native of Xiangtan, Hunan, a associate professor of Xiangtan Industry and Trade School, engages in ODE.

Supported by

Supported by The Scientific Research Foundation Funded by Hunan Provincial Education Department under grant 19A503； Partially supported by Hunan Provincial Exploration of Undergraduate Research Learning and Innovative Experiment Project2018XTUSJ008； Hunan Provincial Natural Science Foundation of China under grant 2015JJ2144；