I will recall the construction of the space of states in a gauged topological A-model. Conjecturally, this gives the quantum cohomology of Fano symplectic quotients: in the toric case, this is Batyrev’s presentation of quantum cohomology of toric varieties. Time permitting, I will discuss the role of ‘Coulomb branches’ in gauge theory in relation to equivariant quantum and symplectic cohomology.
This video is part of the Institute for Advanced Study‘s Symplectic geometry seminar.
