Exotic 4-manifolds with signature zero

Name: Exotic 4-manifolds with signature zero
Start: 2022-10-07T15:30:00-04:00
End: 2022-10-07T16:30:00-04:00
Location: Science Center 507

SEMINARS: GAUGE THEORY AND TOPOLOGY

When: October 7, 2022

3:30 pm - 4:30 pm

Where: Science Center 507

Address: 1 Oxford Street, Cambridge, MA 02138, United States

Speaker: Inanc Baykur - University of Massachusetts Amherst / Harvard

We will talk about our recent construction of the smallest closed exotic 4-manifolds with signature zero known to date. Our novel examples are derived from fairly special small Lefschetz fibrations we build, with spin and non-spin monodromies. This is joint work with N. Hamada.