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Published online by Cambridge University Press: 27 October 2010
Wang tiles are unit-size squares with coloured edges. In this paper, we approach one aspect of the study of tiling computability: the quest for a universal tile set. Using a complex construction, based on Robinson's classical construction and its different modifications, we build a tile set  (pronounced ayin) that almost always simulates any tile set. By way of Banach–Mazur games on tilings topological spaces, we prove that the set of
 (pronounced ayin) that almost always simulates any tile set. By way of Banach–Mazur games on tilings topological spaces, we prove that the set of  -tilings that do not satisfy the universality condition is meagre in the set of
-tilings that do not satisfy the universality condition is meagre in the set of  -tilings.
-tilings.