Lecture Videos / Presentation Slides 

(2023.05) Detecting 3-manifold groups among circularly ordered groups, Orderable Groups Workshop, CRM. 

(2020.12) How can we understand 6n-dimensional space?, a video clip for KAIST Top 10 researches in 2019.  (The video is in Korean)

(2019.6.17) Topology, Geometry, and Dynamics of Laminar groups, Ordered Groups and Rigidity in Dynamics and Topology, CMO workshop (BIRS).

(2017.6.1) The beauty and usefulness of the Circle, KAIST Math Department Colloquium.