ON DIVERSITY OF CONFIGURATIONS GENERATED BY EXCITABLE CELLULAR AUTOMATA WITH DYNAMICAL EXCITATION INTERVALS

Andrew Adamatzky ()
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Andrew Adamatzky: University of the West of England, Bristol, UK

International Journal of Modern Physics C (IJMPC), 2012, vol. 23, issue 12, 1-19

Abstract: Excitable cellular automata with dynamical excitation interval exhibit a wide range of space-time dynamics based on an interplay between propagating excitation patterns which modify excitability of the automaton cells. Such interactions leads to formation of standing domains of excitation, stationary waves and localized excitations. We analyzed morphological and generative diversities of the functions studied and characterized the functions with highest values of the diversities. Amongst other intriguing discoveries we found that upper boundary of excitation interval more significantly affects morphological diversity of configurations generated than lower boundary of the interval does and there is no match between functions which produce configurations of excitation with highest morphological diversity and configurations of interval boundaries with highest morphological diversity. Potential directions of future studies of excitable media with dynamically changing excitability may focus on relations of the automaton model with living excitable media, e.g. neural tissue and muscles, novel materials with memristive properties and networks of conductive polymers.

Keywords: Excitation; automata; diversity; localizations; pattern formation; 82.40.Ck; 89.75.Kd; 89.70.-a (search for similar items in EconPapers)
Date: 2012
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DOI: 10.1142/S0129183112500854

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