Disclaimer: I wrote these notes for my personal and they may have mistakes.
Local Systems in Simple Homotopy Theory
Notes for a talk I gave in the Locally Trivial Seminar.
K-Theory of Finite Fields
Notes for a talk I gave in Alexander Kupers' learning seminar on Stable Cohomology of the General Linear Group.
An Introduction to Mapping Class Groups
Notes for a talk I gave in Kasra Rafi's seminar on Combinatorial Teichmüller Theory.
The Third Homotopy Group of The Sphere and The Hopf Fibration
Notes for a talk I gave at the 25th Canadian Undergraduate Mathematics conference.
Sacha Goldman