Algebraic topology: Fundamental group of a knot

This lecture is part of an online course on algebraic topology.

We calculate the fundamental group of (the complement of) a knot, and give a couple of examples.

For the other lectures in the course see https://www.youtube.com/playlist?list=PL8yHsr3EFj52yxQGxQoxwOtjIEtxE2BWx

Видео Algebraic topology: Fundamental group of a knot канала Richard E Borcherds