Batalin-Vilkovisky structures on moduli spaces of flat connections

Anton Alekseev, Florian Naef, Ján Pulmann +1

Let $\hat{I}\pounds$ be a compact oriented 2-manifold (possibly with boundary), and let ${\mathcal{G}}_{\hat{I}}\pounds$ be the linear span of free homotopy classes of closed oriented curves on $\hat{I}\pounds$ equipped w…