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The recent discovery of universal principles underlying many complex networks occurring across a wide range of length scales in the biological world has spurred physicists in trying to understand such features using techniques from…

生物物理 · 物理学 2015-05-13 Sitabhra Sinha

Interactions between units in phyical, biological, technological, and social systems usually give rise to intrincate networks with non-trivial structure, which critically affects the dynamics and properties of the system. The focus of most…

数据分析、统计与概率 · 物理学 2007-05-23 R. Guimera , M. Sales-Pardo , L. A. N. Amaral

Uncovering the hidden regularities and organizational principles of networks arising in physical systems ranging from the molecular level to the scale of large communication infrastructures is the key issue for the understanding of their…

数据分析、统计与概率 · 物理学 2015-06-26 Vittoria Colizza , Alessandro Flammini , M. Angeles Serrano , Alessandro Vespignani

Complex networks in natural, social, and technological systems generically exhibit an abundance of rich information. Extracting meaningful structural features from data is one of the most challenging tasks in network theory. Many methods…

物理与社会 · 物理学 2012-06-04 Daniel Grady , Christian Thiemann , Dirk Brockmann

This study examines how multinational enterprises structure ownership chains to coordinate subsidiaries across multiple national borders. Using a unique global dataset, we first document key stylized facts: 54% of subsidiaries are…

综合经济学 · 经济学 2026-01-26 Stefania Miricola , Armando Rungi , Gianluca Santoni

Reconstructing weighted networks from partial information is necessary in many important circumstances, e.g. for a correct estimation of systemic risk. It has been shown that, in order to achieve an accurate reconstruction, it is crucial to…

物理与社会 · 物理学 2017-03-07 Tiziano Squartini , Giulio Cimini , Andrea Gabrielli , Diego Garlaschelli

This paper uses firm-level data recorded in the AMADEUS database to investigate the distribution of labour productivity in different European countries. We find that the upper tail of the empirical productivity distributions follows a…

物理与社会 · 物理学 2009-01-31 C. Di Guilmi , F. Clementi , T. Di Matteo , M. Gallegati

The maritime shipping network is the backbone of global trade. Data about the movement of cargo through this network comes in various forms, from ship-level Automatic Identification System (AIS) data, to aggregated bilateral trade volume…

物理与社会 · 物理学 2021-10-25 Timothy LaRock , Mengqiao Xu , Tina Eliassi-Rad

The topological organization of several world cities are studied according to respective representations by complex networks. As a first step, the city maps are processed by a recently developed methodology that allows the most significant…

物理与社会 · 物理学 2018-09-26 Guilherme S. Domingues , Filipi N. Silva , Cesar H. Comin , Luciano da F. Costa

The expansion of global production networks has raised many important questions about the interdependence among countries and how future changes in the world economy are likely to affect the countries' positioning in global value chains. We…

综合经济学 · 经济学 2020-05-20 Olivera Kostoska , Viktor Stojkoski , Ljupco Kocarev

This chapter provides a comprehensive overview of controlling collective behavior in complex systems comprising large ensembles of interacting dynamical agents. Building upon traditional control theory's foundation in individual systems, we…

系统与控制 · 电气工程与系统科学 2025-07-01 Marco Coraggio , Davide Salzano , Mario di Bernardo

Recent work in the area of interdependent networks has focused on interactions between two systems of the same type. However, an important and ubiquitous class of systems are those involving monitoring and control, an example of…

无序系统与神经网络 · 物理学 2013-09-27 Richard G. Morris , Marc Barthelemy

Power law degree distribution was shown in many complex networks. However, in most real systems, deviation from power-law behavior is observed in social and economical networks and emergence of giant hubs is obvious in real network…

物理与社会 · 物理学 2013-01-22 A. H. Shirazi , A. Namaki , A. A. Roohi , G. R. Jafari

Networks have attracted a burst of attention in the last decade, with applications to natural, social, and technological systems. While networks provide a powerful abstraction for investigating relationships and interactions, the…

物理与社会 · 物理学 2010-04-09 Michael J. Barber , Manfred Paier , Thomas Scherngell

This paper provides the analysis for functional approaches of complex network systems research. In order to study the behavior of these systems the flow adjacency matrices were introduced. The concepts of strength, power, domain and…

物理与社会 · 物理学 2019-07-26 Olexandr Polishchuk

Controllability of complex networks arises in many technological problems involving social, financial, road, communication, and smart grid networks. In many practical situations, the underlying topology might change randomly with time, due…

系统与控制 · 计算机科学 2020-01-08 Fernando Gama , Elvin Isufi , Alejandro Ribeiro , Geert Leus

We explore a simple mathematical model of network computation, based on Markov chains. Similar models apply to a broad range of computational phenomena, arising in networks of computers, as well as in genetic, and neural nets, in social…

信息检索 · 计算机科学 2009-04-18 Dusko Pavlovic

Hierarchies permeate the structure of real networks, whose nodes can be ranked according to different features. However, networks are far from tree-like structures and the detection of hierarchical ordering remains a challenge, hindered by…

物理与社会 · 物理学 2020-10-07 Elisenda Ortiz , Guillermo García-Pérez , M. Ángeles Serrano

In this work we analyzed the relationships between powerful politicians and businessmen of Chile in order to study the phenomenon of social power. We developed our study according to Complex Network Theory but also using traditional…

物理与社会 · 物理学 2014-11-05 Juan Pablo Cárdenas , Gerardo Vidal , Gastón Olivares

A growing body of studies on systemic risk in financial markets has emphasized the key importance of taking into consideration the complex interconnections among financial institutions. Much effort has been put in modeling the contagion…

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