The Bieri-Neumann-Strebel sets of quasi-projective groups

Vasily Rogov

Let $X$ be a smooth complex quasi-projective variety and $\Gamma ={\pi }_1(X)$. Let $\chi :\Gamma \to \mathbb{R}$ be an additive character. We prove that the ray $[\chi ]$ does not belong to the BNS…