BNS Invariants and Algebraic Fibrations of Group Extensions

Stefan Friedl, Stefano Vidussi

Let $G$ be a finitely generated group that can be written as an extension \[ 1 \longrightarrow K \stackrel{i}{\longrightarrow} G \stackrel{f}{\longrightarrow} Γ\longrightarrow 1 \]…