Figure 3

Typical space-time evolutions for \(\lambda =0.090\) (right) and \(\lambda =0.094\) (left). Simulation starts from a single active particle (black) and time increases downward.

Typical space-time evolutions for \(\lambda =0.090\) (right) and \(\lambda =0.094\) (left). Simulation starts from a single active particle (black) and time increases downward.