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    ABSTRACT: Interaction Computing (IC) aims to map the properties of integrable low-dimensional non-linear dynamical systems to the discrete domain of finite-state automata in an attempt to reproduce in software the self-organizing and dynamically stable properties of sub-cellular biochemical systems. As the work reported in this paper is still at the early stages of theory development it focuses on the analysis of a particularly simple chemical oscillator, the Belousov-Zhabotinsky (BZ) reaction. After retracing the rationale for IC developed over the past several years from the physical, biological, mathematical, and computer science points of view, the paper presents an elementary discussion of the Krohn-Rhodes decomposition of finite-state automata, including the holonomy decomposition of a simple automaton, and of its interpretation as an abstract positional number system. The method is then applied to the analysis of the algebraic properties of discrete finite-state automata derived from a simplified Petri Net model of the BZ reaction. In the simplest possible and symmetrical case the corresponding automaton is, not surprisingly, found to contain exclusively cyclic groups. In a second, asymmetrical case, the decomposition is much more complex and includes five different simple non-abelian groups whose potential relevance arises from their ability to encode functionally complete algebras. The possible computational relevance of these findings is discussed and possible conclusions are drawn.
    No preview · Article · Mar 2013 · Bio Systems
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    ABSTRACT: Abstract This article investigates patterns of reasons for digital disengagement of British adults. It adds a psychological dimension to research that is mostly sociological in nature in trying to separate out explanations for disengaging from the Internet by choice or by forced exclusion. The analysis of a nationally representative survey shows differences between the number of reasons and the most important reasons among different sociodemographic groups, but also among individuals with different psychological profiles. The findings suggest that ex- and nonusers do not have one simple reason for nonuse, but a multifaceted range of reasons, which often represent disadvantages at several levels. The range of often mentioned reasons, moreover, shows that motivations for disengagement cannot be measured by means of the most important reason, but that all reasons have to be taken into account and looked at concertedly.
    Full-text · Article · Dec 2012 · Cyberpsychology, Behavior, and Social Networking
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    ABSTRACT: IntroductionCommunication for DevelopmentThree Approaches Toward Defining Communication for DevelopmentRethinking Communication for Development Policy in the Age of “Superficial Revisionism” and Cultural ImperialismConclusion References
    No preview · Chapter · Apr 2011
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