Network extreme eigenvalue : from mutimodal to scale-free networks

The extreme eigenvalues of adjacency matrices are important indicators on the influence of topological structures to the collective dynamical behavior of complex networks. Recent findings on the ensemble averageability of the extreme eigenvalue have further authenticated its applicability to the stu...

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Main Authors: Chung, Ning Ning, Chew, Lock Yue, Lai, Choy Heng
Other Authors: School of Physical and Mathematical Sciences
Format: Journal Article
Language:English
Published: 2013
Online Access:https://hdl.handle.net/10356/95219
http://hdl.handle.net/10220/9208
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author Chung, Ning Ning
Chew, Lock Yue
Lai, Choy Heng
author2 School of Physical and Mathematical Sciences
author_facet School of Physical and Mathematical Sciences
Chung, Ning Ning
Chew, Lock Yue
Lai, Choy Heng
author_sort Chung, Ning Ning
collection NTU
description The extreme eigenvalues of adjacency matrices are important indicators on the influence of topological structures to the collective dynamical behavior of complex networks. Recent findings on the ensemble averageability of the extreme eigenvalue have further authenticated its applicability to the study of network dynamics. However, the ensemble average of extreme eigenvalue has only been solved analytically up to the second order correction. Here, we determine the ensemble average of the extreme eigenvalue and characterize its deviation across the ensemble through the discrete form of random scale-free network. Remarkably, the analytical approximation derived from the discrete form shows significant improvement over previous results, which implies a more accurate prediction of the epidemic threshold. In addition, we show that bimodal networks, which are more robust against both random and targeted removal of nodes, are more vulnerable to the spreading of diseases.
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spelling ntu-10356/952192023-02-28T19:27:47Z Network extreme eigenvalue : from mutimodal to scale-free networks Chung, Ning Ning Chew, Lock Yue Lai, Choy Heng School of Physical and Mathematical Sciences The extreme eigenvalues of adjacency matrices are important indicators on the influence of topological structures to the collective dynamical behavior of complex networks. Recent findings on the ensemble averageability of the extreme eigenvalue have further authenticated its applicability to the study of network dynamics. However, the ensemble average of extreme eigenvalue has only been solved analytically up to the second order correction. Here, we determine the ensemble average of the extreme eigenvalue and characterize its deviation across the ensemble through the discrete form of random scale-free network. Remarkably, the analytical approximation derived from the discrete form shows significant improvement over previous results, which implies a more accurate prediction of the epidemic threshold. In addition, we show that bimodal networks, which are more robust against both random and targeted removal of nodes, are more vulnerable to the spreading of diseases. Published version 2013-02-20T08:07:24Z 2019-12-06T19:10:36Z 2013-02-20T08:07:24Z 2019-12-06T19:10:36Z 2012 2012 Journal Article Chung, N. N., Chew, L. Y., & Lai, C. H. (2012). Network extreme eigenvalue : from mutimodal to scale-free networks. Chaos : an interdisciplinary journal of nonlinear science, 22(1), 013139-. 1054-1500 https://hdl.handle.net/10356/95219 http://hdl.handle.net/10220/9208 10.1063/1.3697990 en Chaos: an interdisciplinary journal of nonlinear science © 2012 American Institute of Physics. This paper was published in Chaos: An Interdisciplinary Journal of Nonlinear Science and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.3697990]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. application/pdf
spellingShingle Chung, Ning Ning
Chew, Lock Yue
Lai, Choy Heng
Network extreme eigenvalue : from mutimodal to scale-free networks
title Network extreme eigenvalue : from mutimodal to scale-free networks
title_full Network extreme eigenvalue : from mutimodal to scale-free networks
title_fullStr Network extreme eigenvalue : from mutimodal to scale-free networks
title_full_unstemmed Network extreme eigenvalue : from mutimodal to scale-free networks
title_short Network extreme eigenvalue : from mutimodal to scale-free networks
title_sort network extreme eigenvalue from mutimodal to scale free networks
url https://hdl.handle.net/10356/95219
http://hdl.handle.net/10220/9208
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