Wang Dominoes

Some articles on wang, wang dominoes, dominoes:

Domino Problem
... case of David Hilbert's Entscheidungsproblem, the logician Hao Wang discussed tiling the plane by equally sized square plates with colored edges, now called Wang tiles or Wang dominoes ... infinite plane, ruled by squares of the same size as the dominoes, can be covered by copies of dominoes in the set, with a domino on each square, in such a way that colors on adjacent domino edges match ... According to Wang's student, Robert Berger, Wang made the following In short, he conjectured that there is no aperiodic domino set ...