| CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Natural Connectivity of Complex Networks |
WU Jun1,2, Mauricio Barahona2,3, TAN Yue-Jin1, DENG Hong-Zhong1 |
| 1College of Information Systems and Management, National University of Defense Technology, Changsha 410073 2Institute for Mathematical Sciences, Imperial College London, London SW7 2PG, United Kingdom 3Department of Bioengineering, Imperial College London, London SW7 2AZ, United Kingdom |
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| Cite this article: |
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WU Jun, Mauricio Barahona, TAN Yue-Jin et al 2010 Chin. Phys. Lett. 27 078902 |
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Abstract The concept of natural connectivity is reported as a robustness measure of complex networks. The natural connectivity has a clear physical meaning and a simple mathematical formulation. It is shown that the natural connectivity can be derived mathematically from the graph spectrum as an average eigenvalue and that it changes strictly monotonically with the addition or deletion of edges. By comparing the natural connectivity with other typical robustness measures within a scenario of edge elimination, it is demonstrated that the natural connectivity has an acute discrimination which agrees with our intuition.
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| Keywords:
89.75.Hc
89.75.Fb
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Received: 22 April 2010
Published: 28 June 2010
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| PACS: |
89.75.Hc
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(Networks and genealogical trees)
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89.75.Fb
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(Structures and organization in complex systems)
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