Using the examples of an excitable chemical system (the 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 traveling localizations. These localizations are the elementary units of dynamical logical circuits in collision-based computing architectures.
Universal Computation with Limited Resources: Belousov-zhabotinsky and Physarum Computers
A. Adamatzky,B. D. L. Costello,T. Shirakawa
Published 2007 in International Journal of Bifurcation and Chaos in Applied Sciences and Engineering
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- Publication year
2007
- Venue
International Journal of Bifurcation and Chaos in Applied Sciences and Engineering
- Publication date
2007-11-17
- Fields of study
Biology, Physics, Computer Science
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