Universal computation with limited resources: Belousov-Zhabotinsky and Physarum computers

Details Universal computation with limited resources: Belousov-Zhabotinsky and Physarum computers Universal computation with limited resources: Belousov-Zhabotinsky and Physarum computers

2007-11-17

arxiv.org/abs/0711.2711v1

Int. J. Bifurcation and Chaos vol. Volume: 18, Issue: 8(2008) pp. 2373-2389

Nonlinear Sciences

Pattern Formation and Solitons

Int. J. Bifurcation and Chaos (2008), accepted

Scientific paper

10.1142/S0218127408021750

Using the examples of an excitable chemical system (Belousov-Zhabotinsky medium) and plasmodium of Physarum polycephalum we show that universal computation in a geometrically unconstrained medium is only possible when resources (excitability or concentration of nutrients) are limited. In situations of limited resources the systems studied develop travelling localizations. The localizations are elementary units of dynamical logical circuits in collision-based computing architectures.

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