TCS
2011
13 years 7 months ago
2011
This paper presents a 1D intrinsically universal cellular automaton with four states for a first neighbors neighborhood, improving on the previous lower bound and getting nearer ...
CORR
2008
Springer
14 years 2 months ago
2008
Springer
Abstract. Signals are a classical tool of cellular automata constructions that proved to be useful for language recognition or firing-squad synchronisation. Particles and collision...
GECCO
2004
Springer
14 years 5 months ago
2004
Springer
In Twenty Problems in the Theory of Cellular Automata, Stephen Wolfram asks “how common computational universality and undecidability [are] in cellular automata.” This papers p...