4-manifolds and their mapping class groups from a Thurstonian point of view
Sydney, January 2027
Lectures by Benson Farb
BACKGROUND LECTURES
This was a 3 lecture crash course on some algebraic geometry that is useful to know for 4-manifold theory. The only requirement is some algebraic topology (e.g. at the level of Hatcher).
Lecture 1 video
Lecture 1 notes
Lecture 1 problems
Lecture 2 video
Lecture 2 notes
Lecture 2 problems
e^2=-1 proof
Lecture 3 video
Lecture 3 notes
Lecture 3 problems