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Contrary to many recent models of growing networks, we present a model with fixed number of nodes and links, where it is introduced a dynamics favoring the formation of links between nodes with degree of connectivity as different as…

统计力学 · 物理学 2007-05-23 M. Baiesi , S. S. Manna

Usual formulations of the clustering coefficient can be shown to be insufficient in the task of describing the local topology of very simple networks. Motivated by this, we review some alternatives in order to present an extension, the…

数据分析、统计与概率 · 物理学 2007-05-23 Alexandre H. Abdo , A. P. S. de Moura

The equilibrium states associated with the local majority-rule are divided into three classes, the states of system-wide coordination, the trapped states, and the states of period-2. The effect of clustering coefficient on the occurrence…

统计力学 · 物理学 2012-01-04 Yu-Pin Luo , Jinn-Wen Wu , Ming-Chang Huang

Adaptive dynamical networks appear in various real-word systems. One of the simplest phenomenological models for investigating basic properties of adaptive networks is the system of coupled phase oscillators with adaptive couplings. In this…

适应与自组织系统 · 物理学 2019-11-11 Rico Berner , Jan Fialkowski , Dmitry Kasatkin , Vladimir Nekorkin , Serhiy Yanchuk , Eckehard Schöll

Many real-world networks exhibit scale-free feature, have a small diameter and a high clustering tendency. We have studied the properties of a growing network, which has all these features, in which an incoming node is connected to its…

统计力学 · 物理学 2009-11-10 Parongama Sen , S. S. Manna

We extend recent theoretical approximations describing the transition to synchronization in large undirected networks of coupled phase oscillators to the case of directed networks. We also consider extensions to networks with mixed…

统计力学 · 物理学 2009-11-11 Juan G. Restrepo , Edward Ott , Brian R. Hunt

In this paper we study cluster synchronization in networks of oscillators with heterogenous Kuramoto dynamics, where multiple groups of oscillators with identical phases coexist in a connected network. Cluster synchronization is at the…

最优化与控制 · 数学 2020-05-06 Tommaso Menara , Giacomo Baggio , Danielle S. Bassett , Fabio Pasqualetti

We consider models of identical pulse-coupled oscillators with global interactions. Previous work showed that under certain conditions such systems always end up in sync, but did not quantify how small clusters of synchronized oscillators…

适应与自组织系统 · 物理学 2015-08-12 Kevin P. O'Keeffe , Pavel L. Krapivsky , Steven H. Strogatz

The question under which conditions oscillators with slightly different frequencies synchronize appears in various settings. We show that synchronization can be achieved even for harmonic oscillators that are bilinearly coupled via a purely…

混沌动力学 · 物理学 2023-02-01 Juan N. Moreno , Christopher W. Wächtler , Alexander Eisfeld

Recent studies in network science and control have shown a meaningful relationship between the epidemic processes (e.g., COVID-19 spread) and some network properties. This paper studies how such network properties, namely clustering…

社会与信息网络 · 计算机科学 2023-03-17 Mohammadreza Doostmohammadian , Hamid R. Rabiee

The contradiction between the fact that many empirical networks possess power-law degree distribution and the finding that network of heterogeneous degree distribution is difficult to synchronize has been a paradox in the study of network…

混沌动力学 · 物理学 2007-05-23 Xingang Wang , Ying-Cheng Lai , Choy Heng Lai

In this paper, we propose a novel statistic of networks, the normalized clustering coefficient, which is a modified version of the clustering coefficient that is robust to network size, network density and degree heterogeneity under…

社会与信息网络 · 计算机科学 2019-08-02 Ting Li , Xianshi Yu , Bing-Yi Jing

We suggest an adaptive control scheme for the control of zero-lag and cluster synchronization in delay-coupled networks. Based on the speed-gradient method, our scheme adapts the topology of a network such that the target state is realized.…

适应与自组织系统 · 物理学 2016-08-10 Judith Lehnert , Philipp Hövel , Anton Selivanov , Alexander Fradkov , Eckehard Schöll

Higher-order structures of networks, namely, small subgraphs of networks (also called network motifs), are widely known to be crucial and essential to the organization of networks. There has been a few work studying the community detection…

统计方法学 · 统计学 2023-04-14 Xiao Guo , Hai Zhang , Xiangyu Chang

The clustering coefficient is a valuable tool for understanding the structure of complex networks. It is widely used to analyze social networks, biological networks, and other complex systems. While there is generally a single common…

物理与社会 · 物理学 2024-01-09 Alexander I Nesterov

We study the transition from incoherence to coherence in large networks of coupled phase oscillators. We present various approximations that describe the behavior of an appropriately defined order parameter past the transition, and…

无序系统与神经网络 · 物理学 2009-11-10 Juan G. Restrepo , Brian R. Hunt , Edward Ott

The design of mechanisms that encourage pro-social behaviours in populations of self-regarding agents is recognised as a major theoretical challenge within several areas of social, life and engineering sciences. When interference from…

计算机科学与博弈论 · 计算机科学 2020-01-27 Theodor Cimpeanu , The Anh Han , Francisco C. Santos

We propose a model for growing networks based on a finite memory of the nodes. The model shows stylized features of real-world networks: power law distribution of degree, linear preferential attachment of new links and a negative…

凝聚态物理 · 物理学 2009-11-07 Konstantin Klemm , Victor M. Eguiluz

We study the relationship between topological scales and dynamic time scales in complex networks. The analysis is based on the full dynamics towards synchronization of a system of coupled oscillators. In the synchronization process, modular…

无序系统与神经网络 · 物理学 2009-11-11 Alex Arenas , Albert Diaz-Guilera , Conrad J. Perez-Vicente

We study the role of scale-free structure and noise in collective dynamics of neuronal networks. For this purpose, we simulate and study analytically a cortical circuit model with stochastic neurons. We compare collective neuronal activity…

无序系统与神经网络 · 物理学 2013-03-27 D. Holstein , A. V. Goltsev , J. F. F. Mendes