He has presided over and undertaken a number of key and common scientific research projects funded by the National Natural Science Foundation of China and Yunnan Applied Basic Research Fund, and achieved many research results. The project "Periodic Solutions and Chaotic Solutions of Nonlinear Ordinary Differential Equations" won the second prize of the provincial government for scientific and technological progress 1985 (individual); The project "Dynamic System Method and Application Model in Differential Equation Research" won the third prize of the provincial government for scientific and technological progress 1993 (ranked first); The project "Application of nonlinear partial differential equations in earthquake engineering" won the third prize of natural science of the provincial government 1995 (ranked second); The project "Research on Generalized Hamiltonian System and Several Important Models" won the second prize of natural science of the provincial government 1995 (ranked first); The project "Research on High-dimensional Higher-order Differential Systems" won the second prize of natural science of the provincial government 1997 (ranked second). The project "Equivariant Dynamic System and Hamiltonian System" won the first prize of natural science of the provincial government in 2003 (ranking first). The key project of National Natural Science Foundation "Ordinary Differential Equations and Dynamical Systems" (2003-2006) was completed in June 5438+February 2006. Project 1 of Yunnan Natural Science Foundation and key project 1 of National Natural Science Foundation.
1987 to 2007, he was invited to visit the French National Institute of Advanced Arts for more than ten times. Georgia Institute of Technology, Cornell University, Stevenson College, Brigham Young University, California Institute of Technology, Northwestern University, University of Southern California, Michigan State University, Illinois Institute of Technology, University of Kansas, University of Virginia, University of Miami, North Carolina State University, University of Alabama, Auburn University; York University, Memory University, Theo-Tario University, University of Montreal; Karlsruhe University, Stuttgart University and Munich University in Germany; Kiel University, Sussex University, Flinden University, Australian National University; Autonomous University of Barcelona, Spain; National University of Singapore; Taiwan Province Jiaotong University and Academia Sinica; Chinese University, University of Science and Technology, Baptist University and City University in Hong Kong; These schools have carried out extensive scientific research cooperation and academic exchange activities.