On the Witten--Reshetikhin--Turaev invariants of torus bundles

Jørgen Ellegaard Andersen, Søren Fuglede Jørgensen

By methods similar to those used by Lisa Jeffrey, we compute the quantum $\mathrm{SU}(N)$-invariants for mapping tori of trace $2$ homeomorphisms of a genus $1$ surface when $N = 2…