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Opinion Spreading with Mobility on Scale-Free Networks |
GUO Qiang1;LIU Jian-Guo2,3;WANG Bing-Hong2;ZHOU Tao2,3;CHEN Xing-Wen1;YAO Yu-Hua4 |
| 1School of Science, Dalian Nationalities University, Dalian 1166002Department of Modern Physics, University of Science and Technology of China, Hefei 2300263Department of Physics, University of Fribourg, CH-1700 Fribourg, Switzerland4School of Life Science, Zhejiang Sci-Tech University, Hangzhou 310018 |
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GUO Qiang, LIU Jian-Guo, WANG Bing-Hong et al 2008 Chin. Phys. Lett. 25 773-775 |
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Abstract A continuum opinion dynamic model is presented based on two rules. The first one considers the mobilities of the individuals, the second one supposes that the individuals update their opinions independently. The results of the model indicate that the bounded confidence εc, separating consensus and incoherent states, of a scale-free network is much smaller than the one of a lattice. If the system can reach the consensus state, the sum of all individuals' opinion change Oc(t) quickly decreases in an exponential form, while if it reaches the incoherent state finally, Oc(t) decreases slowly and has the punctuated equilibrium characteristic.
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Received: 28 August 2007
Published: 30 January 2008
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