Intersection forms and homotopy equivalence

Series
Geometry Topology Student Seminar
Time
Wednesday, October 19, 2016 - 2:00pm for 1 hour (actually 50 minutes)
Location
Skiles 006
Speaker
Andrew McCullough – Georgia Institute of Technology – andrew.mccullough@gatech.edu
Organizer
Andrew McCullough
We will discuss some facts about intersection forms on closed, oriented 4-manifolds. We will also sketch the proof that for two closed, oriented, simply connected manifolds, they are homotopy equivalent if and only if they have isomorphic intersection forms.