Bruzzo, UgoGrassi, Antonella2011-09-222011-09-222011-08-20https://openscience.sissa.it/handle/1963/41835 pagesDolgachev proved that, for any field k, the ring naturally associated to a generic Laurent polynomial in d variables, $d \geq 4$, is factorial. We prove a sufficient condition for the ring associated to a very general complex Laurent polynomial in d=3 variables to be Q-factorial.enPreprint