Francesco Vezzoli’s exhibitions are always a mix of high and low—apparently banal but in reality dense with sophisticated citations—or at least they have a knack for calling on the right references at the right moment. For “Greed, a New Fragrance by Francesco Vezzoli,” the large oval room of Gagosian Rome was converted into a luxury showroom, with an almost perfect transformation of the environment that recalled the installations of Guillaume Bijl. The walls were entirely draped in red velvet, and at the center of the gallery was an enormous perfume bottle, called Greed, the Perfume That Doesn’t