Intersection forms and homotopy equivalence

Series: 
Geometry Topology Student Seminar
Wednesday, October 19, 2016 - 14:00
1 hour (actually 50 minutes)
Location: 
Skiles 006
,  
Georgia Institute of Technology
,  
Organizer: 
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.