- Series
- Geometry Topology Student Seminar
- Time
- Wednesday, February 23, 2022 - 2:00pm for 1 hour (actually 50 minutes)
- Location
- Skiles 006
- Speaker
- Sierra Knavel – Georgia Tech
- Organizer
- Roberta Shapiro and Weizhe Shen
We will discuss Akbulut's construction of two smooth, contractible four-manifolds whose boundaries are diffeomorphic and extend to a homeomorphism but not to a diffeomorphism of the manifolds.