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Should add some stuff about the Heesch and Isohedral numbers, and the Period Problem; why this implies there exist an infinity of methods of construction aperiodic sets of tiles, and there are proofless aperiodic sets, and the new (as yet unpublished) results of Margenstern and Kari.-- C Goodman-Strauss 22:09, 6 October 2007 (UTC) reply

The page on Wang tiles is mainly concerned with the same topics as this page, namely the questions of whether a finite set of tiles can tile the plane, and whether it can do so periodically. Combining the pages will give a single page that is more informative than either one currently is. Ebony Jackson ( talk) 03:44, 6 February 2012 (UTC) reply

 Done, but the other way around, because I think "Wang tile" is the more widely-known name for this subject. — David Eppstein ( talk) 01:12, 14 November 2014 (UTC) reply