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Exotic 4-manifolds with signature zero

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Speaker: 
Inanc Baykur
Affiliation: 
UMass Amherst/MPIM
Date: 
Mon, 15/05/2023 - 15:00 - 16:00
Location: 
MPIM Lecture Hall
Parent event: 
MPIM Topology Seminar

I am going to tell you about our recent construction of small symplectic 4-manifolds with signature zero, which include the smallest closed simply-connected exotic 4-manifolds with signature zero known to date. Our novel examples are derived from explicit Lefschetz fibrations, with spin and non-spin monodromies. Joint work with N. Hamada.



 
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