References

1

N.A. Baas. Emergence, hierarchies, and hyperstructures. In C. Langton, editor, Artificial Life III, pages 515-537, 1993.

2

P. Bak, C. Tang, and K. Wiesenfeld. Self-organized criticality: An explanation of noise. Physical Review Letters, 59(4):381-384, 1987.

3

P. Bak, C. Tang, and K. Wiesenfeld. Self-organized criticality. Physical Review A, 38(1):364-374, 1988.

4

P. Cariani. Emergence and artificial life. In C. Langton, editor, Artificial Life II, pages 775-797, 1992.

5

K. Culik and S. Yu. Undecidability of CA classification schemes. Complex Systems, 2:177, 1988.

6

V.M. Darley and S.A. Kauffman. Self-organisation in predictive dynamics, 1994. In preparation.

7

J.D. Farmer, S.A. Kauffman, and N.H. Packard. Autocatalytic replication of polymers. Physica D, 22:50-67, 1986.
A model of the emergence of autocatalytic networks using the concept of a reaction graph.

8

F. Green. NP-complete problems in cellular automata. Complex Systems, 1:453, 1987.

9

J. Koza. Genetic Programming. MIT Press, 1993.

10

O. Martin, A.M. Odlyzko, and S. Wolfram. Algebraic properties of cellular automata. Commun. Math. Phys., 93:219-258, 1984.

11

C. Moore, 1993. Personal communication.

12

K. Sutner. Classifying circular cellular automata. Physica D, 45:386-395, 1990.

13

T. Toffoli and N. Margolus. Cellular Automata Machines. MIT Press, Cambridge, 1987.
An excellent book on the application of cellular automata to modeling physical systems.

14

S. Wolfram. Stastical mechanics of cellular automata. Rev. Modern Physics, 55:601-644, 1983.
Important paper largely responsible for the resurgence of interest in cellular automata.

15

S. Wolfram. Origins of randomness in physical systems. Physical Review Letters, 55(5), 1985.

16

S. Wolfram. Twenty problems in the theory of cellular automata. Physica Scripta, T9:170-183, 1985.

17

S. Wolfram. Undecidability and intractability in theoretical physics. Physical Review Letters, 54(8), 1985.