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Articles Cellular Automata Algebraic Properties of Cellular Automata (1984)
Algebraic Properties of Cellular Automata (1984) |
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(1) Such configurations have been termed ``Gardens of Eden'' [5].
(2) In the specific case 
, one finds that the in-degrees 
of trees in the state transition diagrams for a few 
cellular automata are: 
, 
, 
, 
, 
, 
, 
, 
, 
.
(3) We are grateful to L. Yaffe for emphasizing this point.
