Joint GT-UGA Seminar at GT - Homology Cobordism of Seifert Spaces

Series: 
Geometry Topology Seminar
Monday, October 2, 2017 - 13:55
1 hour (actually 50 minutes)
Location: 
Skiles 006
,  
MIT
Organizer: 
We use Manolescu's Pin(2)-equivariant Floer homology to study homology cobordisms among Seifert spaces.  In particular, we will show that the subgroup of the homology cobordism group generated by Seifert spaces admits a \mathbb{Z}^\infty summand.  This is joint work with Irving Dai.