Results 221 to 230 of about 746,459 (269)
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Physical Review A, 1988
We show that certain extended dissipative dynamical systems naturally evolve into a critical state, with no characteristic time or length scales. The temporal ``fingerprint'' of the self-organized critical state is the presence of flicker noise or 1/f noise; its spatial signature is the emergence of scale-invariant (fractal) structure.
, Bak, , Tang, , Wiesenfeld
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We show that certain extended dissipative dynamical systems naturally evolve into a critical state, with no characteristic time or length scales. The temporal ``fingerprint'' of the self-organized critical state is the presence of flicker noise or 1/f noise; its spatial signature is the emergence of scale-invariant (fractal) structure.
, Bak, , Tang, , Wiesenfeld
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Chaos, Solitons & Fractals, 1995
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Self-organization in an ecosystem
Artificial Life and Robotics, 2002An ecosystem, especially a food web, is essentially characterized as a many-body system in which the members interact with each other under the limitations of the energy and resources. We introduce a coevolutional population dynamics model for food webs which contains energy-conserving interactions, energy dissipation, and rules for changing the ...
Takashi Shimada +2 more
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Organizing With Self-Organization?
2020This chapter aims at exploring the ramifications of the strategic usage of Facebook in informal civic activism against the yet-to-be-studied case of an African third wave democratic country. Focusing on the emergence of Sokols up to the unprecedented 2017 street demonstration in Cape Verde, it reviews findings from a multidimensional empiric-holistic ...
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Proceedings of the 16th International Conference on Enterprise Information Systems, 2014
To delivery static contents, Content Delivery Networks (CDNs) are an effective solution, but that shows its limits in dynamic and large systems with centralized approach. Decentralized algorithms and protocols can be usefully employed to tackle this weakness.
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To delivery static contents, Content Delivery Networks (CDNs) are an effective solution, but that shows its limits in dynamic and large systems with centralized approach. Decentralized algorithms and protocols can be usefully employed to tackle this weakness.
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Environment and Planning B: Planning and Design, 2001
In the present study we address the question of how persons or families occupy specific locations according to an attractiveness function between persons and flats. We suggest a mathematically formulated model in order to find optimal distributions of persons over flats.
Andreas Daffertshofer +2 more
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In the present study we address the question of how persons or families occupy specific locations according to an attractiveness function between persons and flats. We suggest a mathematically formulated model in order to find optimal distributions of persons over flats.
Andreas Daffertshofer +2 more
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Self-organizing marketplaces [PDF]
Journal of Urban Economics, 2009 Abstract Dynamics of retail firms in marketplaces are analyzed, assuming that firms compete under monopolistic competition within a marketplace as well as between marketplaces and consumers are uniformly distributed over space. The number, size, and location of marketplaces or edge cities are analytically obtained. Furthermore, extending the model to
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Futures, 1997
Self-organization, that is to say, the phenomena by which a system self-organizes its internal structure independent of external causes, is a fundamental property, as we have seen in the preceding chapter, of open and complex systems. Such systems exhibit also phenomena of nonlinearity, instability, fractal structures and chaos — phenomena which are ...
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Self-organization, that is to say, the phenomena by which a system self-organizes its internal structure independent of external causes, is a fundamental property, as we have seen in the preceding chapter, of open and complex systems. Such systems exhibit also phenomena of nonlinearity, instability, fractal structures and chaos — phenomena which are ...
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On self-organization in MANETs
Proceedings of the 2nd ACM international workshop on Foundations of wireless ad hoc and sensor networking and computing, 2009The dynamic nature and network complexity of MANETs requires self organization to reduce the administrative need and complexity in network installation, maintenance, and management. We first show several network functions of MANETs that can be designed in a self-organized way, including topology control and the construction of connected dominating sets
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Proceedings of the IEEE, 1990
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