Explore analytic techniques in dynamics and geometry through a comprehensive lecture on closed geodesics and intersection numbers. Delve into advanced mathematical concepts presented by Y. Chaubet from Université Paris-Saclay in this hour-long talk. Gain insights into the intricate relationships between closed geodesics and their intersection numbers, and discover how these concepts apply to the broader fields of dynamics and geometry. Enhance your understanding of complex mathematical theories and their applications in this in-depth presentation.