• Crossing information in two-dimensional Sandpiles 

      Gajardo, A.; Goles Chacc, Eric, 1951- (ELSEVIER, 2006-12-15)
      We prove that in a two-dimensional Sandpile automaton, embedded in a regular infinite planar cellular space, it is impossible to cross information, if the bit of information is the presence (or absence) of an avalanche. ...