<A href="https://www.youtube.com/watch?v=pS_sWHY5pro">Video</a> of the lecture.<br><br>

Used the fundamental group of a circle to prove the Fundamental Theorem of Algebra.
<br><br>
Then introduced the notions of<br>
(i) an n player game and<br>
(ii) a pure Nash equilibrium.<br>
We saw two examples, one with pure Nash equilibria and the other without any pure Nash equilibrium.