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Response of scale-free networks with community structure to external stimuli |
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| Authors: | Ye Wu Ping Li Maoyin Chen Jürgen Kurths |
| Institution: | a Interdisciplinary Center for Dynamics of Complex Systems, University Potsdam, Am Neuen Palais 10, D-14469, Germany b School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, PR China c Computational Intelligence Laboratory, School of Computer Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 610054, PR China d Potsdam Institute for Climate Impact Research (PIK) Telegraphenberg A31, 14473 Potsdam, Germany e Institute of Physics, Humboldt University, 10099 Berlin, Germany f Tsinghua National Laboratory for Information Science and Technology, Department of Automation, Tsinghua University, Beijing 100084, PR China |
| Abstract: | The response of scale-free networks with community structure to external stimuli is studied. By disturbing some nodes with different strategies, it is shown that the robustness of this kind of network can be enhanced due to the existence of communities in the networks. Some of the response patterns are found to coincide with topological communities. We show that such phenomena also occur in the cat brain network which is an example of a scale-free like network with community structure. Our results provide insights into the relationship between network topology and the functional organization in complex networks from another viewpoint. |
| Keywords: | Complex network Community Response Robustness |
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