Computing Heegaard Floer homology by factoring mapping classes

Geometry Topology Student Seminar
Wednesday, October 11, 2017 - 13:55
1 hour (actually 50 minutes)
Skiles 006
Georgia Tech
We will discuss the mapping class groupoid, how it is generated by handle slides, and how factoring in the mapping class groupoid can be used to compute Heegaard Floer homology. This talk is based on work by Lipshitz, Ozsvath, and Thurston.