Turing patterns mediated by network topology in homogeneous active systems

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dc.contributor.authorMimar, Sayatko
dc.contributor.authorMussa Juane, Mariamoko
dc.contributor.authorPark, Juyongko
dc.contributor.authorMunuzuri, Alberto P.ko
dc.contributor.authorGhoshal, Gourabko
dc.date.accessioned2019-07-11T06:10:02Z-
dc.date.available2019-07-11T06:10:02Z-
dc.date.created2019-07-09-
dc.date.created2019-07-09-
dc.date.issued2019-06-
dc.identifier.citationPHYSICAL REVIEW E, v.99, no.6-
dc.identifier.issn2470-0045-
dc.identifier.urihttp://hdl.handle.net/10203/263241-
dc.description.abstractMechanisms of pattern formation-of which the Turing instability is an archetype-constitute an important class of dynamical processes occurring in biological, ecological, and chemical systems. Recently, it has been shown that the Turing instability can induce pattern formation in discrete media such as complex networks, opening up the intriguing possibility of exploring it as a generative mechanism in a plethora of socioeconomic contexts. Yet much remains to be understood in terms of the precise connection between network topology and its role in inducing the patterns. Here we present a general mathematical description of a two-species reaction-diffusion process occurring on different flavors of network topology. The dynamical equations are of the predator-prey class that, while traditionally used to model species population, has also been used to model competition between antagonistic features in social contexts. We demonstrate that the Turing instability can be induced in any network topology by tuning the diffusion of the competing species or by altering network connectivity. The extent to which the emergent patterns reflect topological properties is determined by a complex interplay between the diffusion coefficients and the localization properties of the eigenvectors of the graph Laplacian. We find that networks with large degree fluctuations tend to have stable patterns over the space of initial perturbations, whereas patterns in more homogenous networks are purely stochastic.-
dc.languageEnglish-
dc.publisherAMER PHYSICAL SOC-
dc.titleTuring patterns mediated by network topology in homogeneous active systems-
dc.typeArticle-
dc.identifier.wosid000471986100003-
dc.identifier.scopusid2-s2.0-85067339319-
dc.type.rimsART-
dc.citation.volume99-
dc.citation.issue6-
dc.citation.publicationnamePHYSICAL REVIEW E-
dc.identifier.doi10.1103/PhysRevE.99.062303-
dc.contributor.localauthorPark, Juyong-
dc.contributor.nonIdAuthorMimar, Sayat-
dc.contributor.nonIdAuthorMussa Juane, Mariamo-
dc.contributor.nonIdAuthorMunuzuri, Alberto P.-
dc.contributor.nonIdAuthorGhoshal, Gourab-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusDIFFUSION-
dc.subject.keywordPlusMODELS-
dc.subject.keywordPlusINSTABILITY-
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