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Clustering is well-known to play a prominent role in the description and understanding of complex networks, and a large spectrum of tools and ideas have been introduced to this end. In particular, it has been recognized that the abundance…

无序系统与神经网络 · 物理学 2009-11-10 Danilo Sergi

Clustering is a fundamental approach to understanding data patterns, wherein the intuitive Euclidean distance space is commonly adopted. However, this is not the case for implicit cluster distributions reflected by qualitative attribute…

机器学习 · 统计学 2026-03-05 Mingjie Zhao , Sen Feng , Yiqun Zhang , Mengke Li , Yang Lu , Yiu-ming Cheung

In this paper, we analyze the local clustering coefficient of preferential attachment models. A general approach to preferential attachment was introduced in earlier, where a wide class of models (PA-class) was defined in terms of…

概率论 · 数学 2017-12-12 Alexander Krot , Liudmila Ostroumova Prokhorenkova

In this paper, we investigate the effect of local structures on network processes. We investigate a random graph model that incorporates local clique structures to deviate from the locally tree-like behavior of most standard random graph…

物理与社会 · 物理学 2021-05-03 Clara Stegehuis , Thomas Peron

The structure of many real networks is not locally tree-like and hence, network analysis fails to characterise their bond percolation properties. In a recent paper [P. Mann, V. A. Smith, J. B. O. Mitchell, and S. Dobson, Percolation in…

物理与社会 · 物理学 2021-01-27 Peter Mann , V. Anne Smith , John B. O. Mitchell , Simon Dobson

For a graph $G$, $n$ denotes the order of $G$, $p$ the order of a longest path in $G$ and $c$ the order of a longest cycle. We show that if $G$ is a 2-connected graph such that $d(x)+d(y)+d(z)\ge p+2$ for all triples $x,y,z$ of independent…

组合数学 · 数学 2014-07-02 Zh. G. Nikoghosyan

We introduce a simple one-parameter network growth algorithm which is able to reproduce a wide variety of realistic network structures but without having to invoke any global information about node degrees such as preferential-attachment…

统计力学 · 物理学 2007-05-23 David M. D. Smith , Chiu Fan Lee , Neil F. Johnson

Network data sets are often constructed by some kind of thresholding procedure. The resulting networks frequently possess properties such as heavy-tailed degree distributions, clustering, large connected components and short average…

The principle of similarity, or homophily, is often used to explain patterns observed in complex networks such as transitivity and the abundance of triangles (3-cycles). However, many phenomena from division of labor to protein-protein…

物理与社会 · 物理学 2022-10-12 Szymon Talaga , Andrzej Nowak

A general relation for the dependence of nearest neighbor degree correlations on degree is derived. Dependence of local clustering on degree is shown to be the sole determining factor of assortative versus disassortative mixing in networks.…

无序系统与神经网络 · 物理学 2015-05-20 Deniz Turgut , Ali Rana Atilgan , Canan Atilgan

We consider sparse random intersection graphs with the property that the clustering coefficient does not vanish as the number of nodes tends to infinity. We find explicit asymptotic expressions for the correlation coefficient of degrees of…

概率论 · 数学 2019-08-24 Mindaugas Bloznelis , Jerzy Jaworski , Valentas Kurauskas

The Small-World phenomenon, popularly known as six degrees of separation, has been mathematically formalized by Watts and Strogatz in a study of the topological properties of a network. Small-worlds networks are defined in terms of two…

统计力学 · 物理学 2009-10-31 Massimo Marchiori , Vito Latora

We study the generalization of Correlation Clustering which incorporates fairness constraints via the notion of fairlets. The corresponding Fair Correlation Clustering problem has been studied from several perspectives to date, but has so…

数据结构与算法 · 计算机科学 2026-02-18 Johannes Blaha , Robert Ganian , Katharina Gillig , Jonathan S. Højlev , Simon Wietheger

An important source of high clustering coefficient in real-world networks is transitivity. However, existing approaches for modeling transitivity suffer from at least one of the following problems: i) they produce graphs from a specific…

社会与信息网络 · 计算机科学 2022-12-30 Morteza Haghir Chehreghani , Mostafa Haghir Chehreghani

With a view on graph clustering, we present a definition of vertex-to-vertex distance which is based on shared connectivity. We argue that vertices sharing more connections are closer to each other than vertices sharing fewer connections.…

离散数学 · 计算机科学 2020-04-08 Pierre Miasnikof , Alexander Y. Shestopaloff , Leonidas Pitsoulis , Yuri Lawryshyn

Complex networks have been applied to model numerous interactive nonlinear systems in the real world. Knowledge about network topology is crucial for understanding the function, performance and evolution of complex systems. In the last few…

物理与社会 · 物理学 2009-11-13 Jing Zhao , Lin Tao , Hong Yu , Jian-Hua Luo , Zhi-Wei Cao , Yi-Xue Li

We introduce a correlated static model and investigate a percolation transition. The model is a modification of the static model and is characterized by assortative degree-degree correlation. As one varies the edge density, the network…

统计力学 · 物理学 2015-05-13 Sang-Woo Kim , Jae Dong Noh

With the development of urbanization, the scale of urban road network continues to expand, especially in some Asian countries. Short-term traffic state prediction is one of the bases of traffic management and control. Constrained by the…

系统与控制 · 电气工程与系统科学 2024-09-10 Pengfei Xu , Weifeng Li , Chenjie Xu , Jian Li

The proposal of Six Degrees of Separation makes people realize that the world is not as big as we imagined. Even if the world's population now exceeds 7 billion, two strangers can still get in touch through a limited intermediary. When…

社会与信息网络 · 计算机科学 2022-09-15 Zhimin Zhang , Fang Zhou , Huansheng Ning

We develop a full 6-functor formalism for $p$-torsion \'etale sheaves in rigid-analytic geometry. More concretely, we use the recently developed condensed mathematics by Clausen--Scholze to associate to every small v-stack (e.g.…

代数几何 · 数学 2022-06-07 Lucas Mann