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

- Series
- Geometry Topology Seminar
- Time
- Monday, October 2, 2017 - 13:55 for 1 hour (actually 50 minutes)
- Location
- Skiles 006
- Speaker
- Matt Stoffregen – MIT

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.