Patterns generated by iterated branching, as used
in models of leaves. (Page 402; see also page 1005.)
A continuous cellular automaton with a rule based
on addition. (Page 160; see also pages 158 and 921.)
The tracks formed by the heads of two 2D Turing
machines. (Page 931.)
Collision between two localized structures in the
rule 110 cellular automaton. (Page 295.)
A hexagonal 2D cellular automaton used to model
snowflake growth. (Page 371.)
A non-periodic tiling formed from polyominoes.
Geometries of phyllotaxis patterns in plants.
(Page 411; see also page 1007.)