Explore a 58-minute lecture from the VIII Workshop on Conservative Dynamics and Symplectic Geometry, delivered by Umberto Hryniewicz at the Instituto de Matemática Pura e Aplicada (IMPA) in Rio de Janeiro. Delve into "Quantitative refinements of various conjectures in 3D Reeb dynamics, and some results" as part of a gathering of experts in Conservative Dynamics and Symplectic Geometry. Gain insights into topics such as Symplectic Topology, Hamiltonian Dynamics, Contact Geometry, Lagrangian Systems, Twist Maps, Integrable Systems, and Aubry-Mather theory. Access this lecture, part of a series fostering informal discussions among international scholars, through the provided video playlist link.