Higher-order random network models

Most existing random network models that describe complex systems in nature and society are developed through connections that indicate a binary relationship between two nodes. However, real-world networks are so complicated that we can only identify many critical hidden structural properties throug...

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Main Authors: Jinyu Huang, Youxin Hu, Weifu Li, Maoyan Lin
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:New Journal of Physics
Subjects:
Online Access:https://doi.org/10.1088/1367-2630/ad106a
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author Jinyu Huang
Youxin Hu
Weifu Li
Maoyan Lin
author_facet Jinyu Huang
Youxin Hu
Weifu Li
Maoyan Lin
author_sort Jinyu Huang
collection DOAJ
description Most existing random network models that describe complex systems in nature and society are developed through connections that indicate a binary relationship between two nodes. However, real-world networks are so complicated that we can only identify many critical hidden structural properties through higher-order structures such as network motifs. Here we propose a framework in which we define higher-order stubs, higher-order degrees, and generating functions for developing higher-order complex network models. Then we develop higher-order random networks with arbitrary higher-order degree distributions. The developed higher-order random networks share critical structural properties with real-world networks, but traditional connection-based random networks fail to exhibit these structural properties. For example, as opposed to connection-based random network models, the proposed higher-order random network models can generate networks with power-law higher-order degree distributions, right-skewed degree distributions, and high average clustering coefficients simultaneously. These properties are also observed on the Internet, the Amazon product co-purchasing network, and collaboration networks. Thus, the proposed higher-order random networks are necessary supplements to traditional connection-based random networks.
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spelling doaj.art-4029721104764fd8b135669e2cc6bc792024-01-16T09:26:00ZengIOP PublishingNew Journal of Physics1367-26302024-01-0126101302710.1088/1367-2630/ad106aHigher-order random network modelsJinyu Huang0https://orcid.org/0000-0001-8237-6324Youxin Hu1Weifu Li2Maoyan Lin3School of Computer Science and Engineering, Sichuan University of Science and Engineering , Zigong, Sichuan 643002, People’s Republic of ChinaSchool of Computer Science and Engineering, Sichuan University of Science and Engineering , Zigong, Sichuan 643002, People’s Republic of ChinaSchool of Computer Science and Engineering, Sichuan University of Science and Engineering , Zigong, Sichuan 643002, People’s Republic of ChinaSchool of Computer Science and Engineering, Sichuan University of Science and Engineering , Zigong, Sichuan 643002, People’s Republic of ChinaMost existing random network models that describe complex systems in nature and society are developed through connections that indicate a binary relationship between two nodes. However, real-world networks are so complicated that we can only identify many critical hidden structural properties through higher-order structures such as network motifs. Here we propose a framework in which we define higher-order stubs, higher-order degrees, and generating functions for developing higher-order complex network models. Then we develop higher-order random networks with arbitrary higher-order degree distributions. The developed higher-order random networks share critical structural properties with real-world networks, but traditional connection-based random networks fail to exhibit these structural properties. For example, as opposed to connection-based random network models, the proposed higher-order random network models can generate networks with power-law higher-order degree distributions, right-skewed degree distributions, and high average clustering coefficients simultaneously. These properties are also observed on the Internet, the Amazon product co-purchasing network, and collaboration networks. Thus, the proposed higher-order random networks are necessary supplements to traditional connection-based random networks.https://doi.org/10.1088/1367-2630/ad106arandom graphshigher-order structurecomplex networksnetwork motif
spellingShingle Jinyu Huang
Youxin Hu
Weifu Li
Maoyan Lin
Higher-order random network models
New Journal of Physics
random graphs
higher-order structure
complex networks
network motif
title Higher-order random network models
title_full Higher-order random network models
title_fullStr Higher-order random network models
title_full_unstemmed Higher-order random network models
title_short Higher-order random network models
title_sort higher order random network models
topic random graphs
higher-order structure
complex networks
network motif
url https://doi.org/10.1088/1367-2630/ad106a
work_keys_str_mv AT jinyuhuang higherorderrandomnetworkmodels
AT youxinhu higherorderrandomnetworkmodels
AT weifuli higherorderrandomnetworkmodels
AT maoyanlin higherorderrandomnetworkmodels