Higher-dimensional Knots
Date:
This is the “3+X” seminar on Knots and Links, organized by Prof. Yi Liu and Prof. Jiajun Wang in 2025 Fall at Peking University. The reference is D. Rolfsen’s Knots and Links.
I presented part of Chapter 3 of Knots and Links, focusing on constructing knotted 2-spheres from knots and computing its fundamental groups.