Alexis Ballier, Emmanuel Jeandel. Computing (or not) Quasi-periodicity Functions of Tilings. In Jarkko Kari, editor, Second Symposium on Cellular Automata "Journeacute;es Automates Cellulaires", JAC 2010, Turku, Finland, December 15-17, 2010. Proceedings. pages 54-64, Turku Center for Computer Science, 2010. [doi]
Abstract is missing.