2 problems

Let $(M,\boldsymbol{g})$ be a $D$-dimensional Lorentzian manifold with conformal boundary $\partial M_c$. Let $(J, M, G)$ be an abelian gauge theory with gauge group $G$ and field…

Let $G$ be the group appearing in the skein construction, let $Z$ denote the relevant central subgroup, and let $\pi_1$ denote the corresponding fundamental-group twist. For a clos…