Opinion dynamics on directed small-world networks
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Jiang, L. -L.
Department of Modern Physics, University of Science and Technology of China, Hefei, China
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Hua, D. -Y.
Department of Physics, Ningbo University, Ningbo Zhejiang, China
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Zhu, J. -F.
Department of Modern Physics, University of Science and Technology of China, Hefei, China
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Wang, Bing-Hong
Department of Modern Physics, University of Science and Technology of China, Hefei, China
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Zhou, Tao
Department of Modern Physics, University of Science and Technology of China, Hefei, China - Department of Physics, University of Fribourg, Switzerland
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Published in:
- The European Physical Journal B. - 2008, vol. 65, no. 2, p. 251-255
English
We investigate the self-affirmation effect on formation of public opinion in a directed small-world social network. The system presents a non-equilibrium phase transition from a consensus state to a disordered state with coexistence of opinions. The dynamical behaviors are very sensitive to the density of long-range-directed interactions and the strength of self-affirmation. When the long-range-directed interactions are sparse and individual generally does not insist on his/her opinion, the system will display a continuous phase transition, in the opposite case with strong self-affirmation and dense long-range-directed interactions, the system does not display a phase transition. Between those two extreme cases, the system undergoes a discontinuous phase transition.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Physique
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Language
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Classification
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Physics
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/301321
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