Gallas, Jason A.C.; Herrmann, Hans J. - In: Physica A: Statistical Mechanics and its Applications 356 (2005) 1, pp. 78-82
We report surprisingly regular behaviors observed for a class 4 cellular automaton, the totalistic rule 20: starting from disordered initial configurations the automaton produces patterns which are periodic not only in time but also in space. This is the first evidence that different types of...
