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  Robustness and network evolution--an entropic principle

Demetrius, L., & Manke, T. (2005). Robustness and network evolution--an entropic principle. Physica A: Statistical and Theoretical Physics, 364(3-4), 682-696. doi:10.1016/j.physa.2004.07.011.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-86DB-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-86DC-2
Genre: Journal Article

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 Creators:
Demetrius, Lloyd1, Author              
Manke, Thomas1, Author              
Affiliations:
1Dept. of Computational Molecular Biology (Head: Martin Vingron), Max Planck Institute for Molecular Genetics, Max Planck Society, ou_1433547              

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Free keywords: Network evolution Robustness Evolutionary principle
 Abstract: This article introduces the concept of network entropy as a characteristic measure of network topology. We provide computational and analytical support for the hypothesis that network entropy is a quantitative measure of robustness. We formulate an evolutionary model based on entropy as a selective criterion and show that (a) it predicts the direction of changes in network structure over evolutionary time and (b) it accounts for the high degree of robustness and the heterogenous connectivity distribution, which is often observed in biological and technological networks. Our model is based on Darwinian principles of evolution and preferentially selects networks according to a global fitness criterion, rather than local preferences in classical models of network growth. We predict that the evolutionarily stable states of evolved networks will be characterized by extremal values of network entropy.

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Language(s): eng - English
 Dates: 2005-02-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 264956
DOI: 10.1016/j.physa.2004.07.011
 Degree: -

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Title: Physica A: Statistical and Theoretical Physics
Source Genre: Journal
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Pages: - Volume / Issue: 364 (3-4) Sequence Number: - Start / End Page: 682 - 696 Identifier: ISSN: 0378-4371