Zhao Kaidi, a doctoral candidate in my laboratory, conducted his doctoral graduation defense from 14:00-16:00 on December 16, 2023. The title of his dissertation was "Modeling and Application Research of Propagation Dynamics and Structural Characteristics in Complex Systems" ", the instructor is Professor Han Dingding. His thesis research focuses on the research of models, algorithms and technical strategies in communication dynamics and network structure in complex systems, and based on this, he carries out system development and technical research in social networks, transportation networks and other fields. In the system field, the Wuxi city-wide engineering practice of smart city cyber-physical integration system has been realized, which has theoretical value and practical significance.

After a secret vote by the defense committee, the defense of Zhao Kaidi's doctoral thesis was unanimously approved. It was considered an excellent doctoral thesis and recommended that the school's degree committee award the doctorate.