A single-copy minimal-time simulation of a torus of automata by a ring of automata.

Bruno Martin Claudine Peyrat A single-copy minimal-time simulation of a torus of automata by a ring of automata. 2130-2139 2007 155 Discrete Applied Mathematics 16 http://dx.doi.org/10.1016/j.dam.2007.05.019 db/journals/dam/dam155.html#MartinP07