5.03 Fundamental group of a mapping torus
Channel: Jonathan Evans
Date: 2018-09-13

We use our newly-developed techniques to compute the fundamental group of a mapping torus. This will be used later to find the fundamental group of a knot complement (and hence to prove that we cannot unknot the trefoil knot, for example). For notes, see here: http://www.homepages.ucl.ac.uk/~ucahjde/tg/html/vkt03.html