2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/138584For the Kronecker quiver, Zwara has found an example of a representation whose orbit closure is neither unibranch nor Cohen-Macaulay. In this note, we explain how to extend this example to all infinite type quivers without oriented cycles.Representation TheoryRings and Algebras16G20; 05E15text