Category Theory - Lecture 3 Part 1
Channel: An Antipodal Algebraic Topologist
Date: 27/06/2019

In this video we see some examples of functors, including the fundamental group and fundamental groupoid. We see a Brouwer fixed point theorem as an example of how functoriality can be useful. And finally we talk about the simplex category.

I've switched to using 2 cameras, hopefully this makes the board more legible.