Relations between the dynamics of network systems and their subnetworks

Statistical analysis of the connectivity of real world networks have revealed interesting featuressuch as community structure, network motif and as on. Such discoveries tempt us to understandthe dynamics of a complex network system by studying those of its subnetworks. This approach isfeasible only...

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Main Authors: YunjiaoWang, Kiran Chilakamarri, Demetrios Kazakos, Maria C. Leite
Format: Article
Language:English
Published: AIMS Press 2017-08-01
Series:AIMS Mathematics
Subjects:
Online Access:http://www.aimspress.com/article/10.3934/Math.2017.2.437/fulltext.html
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author YunjiaoWang
Kiran Chilakamarri
Demetrios Kazakos
Maria C. Leite
author_facet YunjiaoWang
Kiran Chilakamarri
Demetrios Kazakos
Maria C. Leite
author_sort YunjiaoWang
collection DOAJ
description Statistical analysis of the connectivity of real world networks have revealed interesting featuressuch as community structure, network motif and as on. Such discoveries tempt us to understandthe dynamics of a complex network system by studying those of its subnetworks. This approach isfeasible only if the dynamics of the subnetwork systems can somehow be preserved or partially preservedin the whole system. Most works studied the connectivity structures of networks while very fewconsidered the possibility of translating the dynamics of a subnetwork system to the whole system. Inthis paper, we address this issue by focusing on considering the relations between cycles and fixedpoints of a network system and those of its subnetworks based on Boolean framework. We proved thatat a condition we called agreeable, if X0 is a fixed point of the whole system, then X<sub>0</sub> restricted to thephase-space of one of the subnetwork systems must be a fixed point as well. An equivalent statementon cycles follows from this result. In addition, we discussed the relations between the product of thetransition diagrams (a representation of trajectories) of subnetwork systems and the transition diagramof the whole system.
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spelling doaj.art-78f63d4dbe924f258c5e43e6f28a303d2022-12-22T00:14:41ZengAIMS PressAIMS Mathematics2473-69882017-08-012343745010.3934/Math.2017.2.437Relations between the dynamics of network systems and their subnetworksYunjiaoWang0Kiran Chilakamarri1Demetrios Kazakos2Maria C. Leite31 Department of Mathematics, Texas Southern University, 3100 Cleburne, Houston, TX, 77004, USA1 Department of Mathematics, Texas Southern University, 3100 Cleburne, Houston, TX, 77004, USA1 Department of Mathematics, Texas Southern University, 3100 Cleburne, Houston, TX, 77004, USA2 Department of Mathematics, University of South Florida at St. Pete, 140 7th Avenue South St.Petersburg, Florida 33701, USAStatistical analysis of the connectivity of real world networks have revealed interesting featuressuch as community structure, network motif and as on. Such discoveries tempt us to understandthe dynamics of a complex network system by studying those of its subnetworks. This approach isfeasible only if the dynamics of the subnetwork systems can somehow be preserved or partially preservedin the whole system. Most works studied the connectivity structures of networks while very fewconsidered the possibility of translating the dynamics of a subnetwork system to the whole system. Inthis paper, we address this issue by focusing on considering the relations between cycles and fixedpoints of a network system and those of its subnetworks based on Boolean framework. We proved thatat a condition we called agreeable, if X0 is a fixed point of the whole system, then X<sub>0</sub> restricted to thephase-space of one of the subnetwork systems must be a fixed point as well. An equivalent statementon cycles follows from this result. In addition, we discussed the relations between the product of thetransition diagrams (a representation of trajectories) of subnetwork systems and the transition diagramof the whole system.http://www.aimspress.com/article/10.3934/Math.2017.2.437/fulltext.htmlBoolean network systems| cycle| fixed point| subnetwork systems| dynamics
spellingShingle YunjiaoWang
Kiran Chilakamarri
Demetrios Kazakos
Maria C. Leite
Relations between the dynamics of network systems and their subnetworks
AIMS Mathematics
Boolean network systems| cycle| fixed point| subnetwork systems| dynamics
title Relations between the dynamics of network systems and their subnetworks
title_full Relations between the dynamics of network systems and their subnetworks
title_fullStr Relations between the dynamics of network systems and their subnetworks
title_full_unstemmed Relations between the dynamics of network systems and their subnetworks
title_short Relations between the dynamics of network systems and their subnetworks
title_sort relations between the dynamics of network systems and their subnetworks
topic Boolean network systems| cycle| fixed point| subnetwork systems| dynamics
url http://www.aimspress.com/article/10.3934/Math.2017.2.437/fulltext.html
work_keys_str_mv AT yunjiaowang relationsbetweenthedynamicsofnetworksystemsandtheirsubnetworks
AT kiranchilakamarri relationsbetweenthedynamicsofnetworksystemsandtheirsubnetworks
AT demetrioskazakos relationsbetweenthedynamicsofnetworksystemsandtheirsubnetworks
AT mariacleite relationsbetweenthedynamicsofnetworksystemsandtheirsubnetworks