Chapter 6: Starting from Randomness

Section 4: Systems of Limited Size and Class 2 Behavior

Cyclic addition Cyclic multiplication Maximum periods [in cellular automata] Additive cellular automata [in finite regions] [Periods in] rules 30 and 45 Comparison of [periods for cellular automaton] rules Implementing boundary conditions [in cellular automata]

From Stephen Wolfram: A New Kind of Science [citation]