<a href="https://www.youtube.com/watch?v=qPwSaTc2I9A">Video</a> of the lecture.<br>
<a href="https://www.youtube.com/watch?v=CHGunEM_C5s">Waiting room video</a>: An introduction to homotopy.<br><br>

Introduced the notion of "homotopy" between maps. Showed that any two maps X--->Y are homotopic when Y is a convex subset of Euclidean space. For given spaces X and Y we proved that homotopy is an equivalence relation on the collection of maps X--->Y. 