Viktor Timofeev’s solo exhibition “Stairway to Melon” drew the viewer into the complex system of its own obscure inner logic. The Latvian-born, New York–based artist divided the gallery into two distinct spaces: He left the entry area blank white and transformed the rest into a sort of waiting room whose olive-green wallpaper was hung with paintings; on the carpeted floor, several folding chairs had been pushed to the walls or arranged in a circle. The scene looked like a stage set, but two monitors turned away from the viewer to face the back of the space encouraged visitors to enter the stage