2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/129925This is an extended abstract of my talk at the Oberwolfach Workshop "Algebraic Groups" (April 22 - 28, 2007). It is based on a joint work with H.Derksen and J.Weyman (arXiv:0704.0649v2 [math.RA]).Part of Oberwolfach Report No. 22/2007 (Workshop on Algebraic Groups, April 22 - 28, 2007)Rings and AlgebrasAlgebraic GeometryRepresentation Theory16G10 (primary); 16G20, 16S38 (secondary)Mutations for quivers with potentials: Oberwolfach talk, April 2007text