$\mathbb{S}o{l}^3\times {\mathbb{E}}^1$-manifolds

J. A. Hillman

We show that $\mathbb{S}o{l}^3\times {\mathbb{E}}^1$-manifolds are Seifert fibred, with general fibre the torus, and base one of the seven flat 2-orbifolds $T, Kb, \mathbb{A}, \mathbb{M…