Skein modules and character varieties of Seifert manifolds

Renaud Detcherry, Efstratia Kalfagianni, Adam S. Sikora

We show that the Kauffman bracket skein module of a closed Seifert fibered 3-manifold $M$ is finitely generated over $\mathbb{Z}[A^{\pm 1}]$ if and only if $M$ is irreducible and no…