26 Jul
1999
26 Jul
'99
4:07 p.m.
-----Original Message-----
From: KENNETH S HALEY <haleyk(a)okstate.edu>
As a finale, self-replicating CA structures were invented by a guy in a
LANL working group (see 'artifical life') with an Apple.
Wrong! Christopher Langton (who organised the first Artificial Life
Conference, September, 1987, Los Alamos National Laboratory) invented a
simple example of a self-replicating structure for a cellular automata
system based not too loosely upon the work of E. F. Codd. The reference
is a book entitled Celluar Automata. The work of von Neumann is collected
in a volume by Arthur Burks entitled Essays on Cellular Automata.
Codd's CA has eight states and the neighborhood function of von Neumann.
It has the curious characteristic of providing a model of brain cell
function, i.e. neurons.
William R. Buckley