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

Adamatzky, A. , de Lacy Costello, B. and Shirakawa, T. (2008) Universal computation with limited resources: Belousov-Zhabotinsky and physarum computers. International Journal of Bifurcation and Chaos, 18 (08). pp. 2373-2389. ISSN 0218-1274

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Publisher's URL: http://dx.doi.org/10.1142/S0218127408021750

Abstract

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.

Item Type:	Article
Uncontrolled Keywords:	unconventional computing, collision-based computing, Belousov–Zhabotinsky system, physarum polycephalum
Faculty/Department:	Faculty of Health and Life Sciences > Department of Applied Sciences ~Pre-2010 Faculty Structure > Health and Life Sciences > School of Life Sciences ~Pre-2012 Faculty Structure > Faculty of Health and Life Sciences > Department of Applied Sciences
ID Code:	7078
Deposited By:	H. Hammond
Deposited On:	23 Jul 2010 08:18
Last Modified:	03 Jan 2013 16:49