Emergence of core-peripheries in networks

Nature Communications
T VermaH J Herrmann

Abstract

A number of important transport networks, such as the airline and trade networks of the world, exhibit a characteristic core-periphery structure, wherein a few nodes are highly interconnected and the rest of the network frays into a tree. Mechanisms underlying the emergence of core-peripheries, however, remain elusive. Here, we demonstrate that a simple pruning process based on removal of underutilized links and redistribution of loads can lead to the emergence of core-peripheries. Links are assumed beneficial if they either carry a sufficiently large load or are essential for global connectivity. This incentivized redistribution process is controlled by a single parameter, which balances connectivity and profit. The obtained networks exhibit a highly resilient and connected core with a frayed periphery. The balanced network shows a higher resilience than the world airline network or the world trade network, revealing a pathway towards robust structural features through pruning.

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Citations

Jan 10, 2017·Nature Communications·Tiago A SchieberMartín G Ravetti
Feb 6, 2017·Scientific Reports·L BöttcherH J Herrmann
Jan 20, 2018·Physical Review. E·Sadamori Kojaku, Naoki Masuda
Jan 20, 2018·Physical Review. E·Malte SchröderJan Nagler
May 4, 2018·Scientific Reports·Rebekka BurkholzFrank Schweitzer
Sep 14, 2018·Journal of the Royal Society, Interface·Federico BattistonFabrizio De Vico Fallani
Jan 25, 2019·Scientific Reports·Sadamori KojakuNaoki Masuda
Feb 27, 2020·Scientific Reports·Kate Burleson-LesserHernán A Makse
Feb 1, 2017·Nature Communications·Liang TianYang-Yu Liu
Jun 30, 2018·Physical Review Letters·Malte SchröderDirk Witthaut
May 28, 2020·Proceedings of the National Academy of Sciences of the United States of America·Zuzanna Kosowska-Stamirowska
Aug 22, 2020·Proceedings. Mathematical, Physical, and Engineering Sciences·Nicolas H ChristiansonDanielle S Bassett
Apr 2, 2018·Chaos·Jiao WuZonghua Liu
May 17, 2017·Physical Review. E·Quan-Hui LiuYing-Cheng Lai
May 6, 2019·Neuroscience·Francesca Arese LuciniHernán A Makse
Mar 11, 2019··Austin R. BensonJunteng Jia

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