Corks for exotic diffeomorphisms

CMSA 20 Garden Street, Cambridge

https://youtu.be/HWL5Rg9B624 Speaker:┬áSlava Krushkal, University of Virginia Title: Corks for exotic diffeomorphisms Abstract: Exotic smooth structures on simply-connected 4-manifolds are known to be related by cork twists: cutting out and re-gluing […]