Affine root systems, stable tubes and a conjecture by Geiss-Leclerc-Schröer

Zengqiang Lin, Xiuping Su

Associated to a symmetrisable Cartan matrix $C$, Geiss-Lerclerc-Schröer constructed and studied a class of Iwanaga-Gorenstein algebras $H$. They proved a generalised version of Gab…