## 3-Manifold Seminar: Tait colorings and foams

Seminar | October 23 | 2:10-3:30 p.m. | 939 Evans Hall

Ian Agol, UC BERKELEY

Department of Mathematics

We'll discuss Kronheimer-Mrowka's deformed instanton homology of spatial webs $J^\sharp (K;\Gamma )$. For planar webs $K$, we show that $J^\sharp (K;\Gamma ')$ is spanned by foams, where $\Gamma '$ is an appropriate coefficient system.

events@math.berkeley.edu