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相关论文: Dynamical fitness models: evidence of universality…

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The preferential attachment network with fitness is a dynamic random graph model. New vertices are introduced consecutively and a new vertex is attached to an old vertex with probability proportional to the degree of the old one multiplied…

概率论 · 数学 2019-02-20 Steffen Dereich , Marcel Ortgiese

In this paper, we provide a rigorous analysis of preferential attachment with fitness, a random graph model introduced by Bianconi and Barabasi. Depending on the shape of the fitness distribution, we observe three distinct phases: a…

We obtain the degree distribution for a class of growing network models on flat and curved spaces. These models evolve by preferential attachment weighted by a function of the distance between nodes. The degree distribution of these models…

无序系统与神经网络 · 物理学 2013-05-29 Luca Ferretti , Michele Cortelezzi

Models based on preferential attachment have had much success in reproducing the power law degree distributions which seem ubiquitous in both natural and engineered systems. Here, rather than assuming preferential attachment, we give an…

统计力学 · 物理学 2007-05-23 N. Berger , C. Borgs , J. T. Chayes , R. M. D'Souza , R. D. Kleinberg

We extend the work of Antunovi\'{c}, Mossel and R\'{a}cz on competing types in preferential attachment models to include cases where the types have different fitnesses, which may be either multiplicative or additive. We will show that,…

概率论 · 数学 2018-09-07 Jonathan Jordan

Preferential attachment models were shown to be very effective in predicting such important properties of real-world networks as the power-law degree distribution, small diameter, etc. Many different models are based on the idea of…

概率论 · 数学 2015-12-23 Liudmila Ostroumova Prokhorenkova , Egor Samosvat

A version of ``preferential attachment'' random graphs, corresponding to linear ``weights'' with random ``edge additions,'' which generalizes some previously considered models, is studied. This graph model is embedded in a continuous-time…

概率论 · 数学 2007-05-23 K. B. Athreya , A. P. Ghosh , S. Sethuraman

Preferential attachment drives the evolution of many complex networks. Its analytical studies mostly consider the simplest case of a network that grows uniformly in time despite the accelerating growth of many real networks. Motivated by…

物理与社会 · 物理学 2020-02-20 Jun Sun , Matúš Medo , Steffen Staab

The Barab\'asi-Albert model is a popular scheme for creating scale-free graphs but has been previously shown to have ambiguities in its definition. In this paper we discuss a new ambiguity in the definition of the BA model by identifying…

数据结构与算法 · 计算机科学 2021-10-14 Giorgos Stamatelatos , Pavlos S. Efraimidis

A variation of the preferential attachment random graph model of Barab\'asi and Albert is defined that incorporates planted communities. The graph is built progressively, with new vertices attaching to the existing ones one-by-one. At every…

机器学习 · 统计学 2018-01-30 Bruce Hajek , Suryanarayana Sankagiri

Preferential attachment graphs are random graphs designed to mimic properties of typical real world networks. They are constructed by a random process that iteratively adds vertices and attaches them preferentially to vertices that already…

离散数学 · 计算机科学 2018-03-30 Jan Dreier , Philipp Kuinke , Peter Rossmanith

In this article we presented a brief study of the main network models with growth and preferential attachment. Such models are interesting because they present several characteristics of real systems. We started with the classical model…

物理与社会 · 物理学 2020-07-06 Gabriel G. Piva , Fabiano L. Ribeiro , Angelica S. Mata

We propose a model of network growth in which the network is co-evolving together with the dynamics of a quantum mechanical system, namely a quantum walk taking place over the network. The model naturally generalizes the Barab\'{a}si-Albert…

In real life, networks are dynamic in nature; they grow over time and often exhibit power-law degree sequences. To model the evolving structure of the internet, Barab\'{a}si and Albert introduced a simple dynamic model with a power-law…

概率论 · 数学 2024-11-22 Rounak Ray

We consider an evolving preferential attachment random graph model where at discrete times a new node is attached to an old node, selected with probability proportional to a superlinear function of its degree. For such schemes, it is known…

概率论 · 数学 2017-04-20 Sunder Sethuraman , Shankar C. Venkataramani

We study a random graph $G_n$, which combines aspects of geometric random graphs and preferential attachment. The resulting random graphs have power-law degree sequences with finite mean and possibly infinite variance. In particular, the…

组合数学 · 数学 2008-01-11 H. van den Esker

This paper presents the development of a new class of algorithms that accurately implement the preferential attachment mechanism of the Barab\'asi-Albert (BA) model to generate scale-free graphs. Contrary to existing approximate…

数据结构与算法 · 计算机科学 2022-03-31 Giorgos Stamatelatos , Pavlos S. Efraimidis

There is a complex relation between the mechanism of preferential attachment, scale-free degree distributions and hyperbolicity in complex networks. In fact, both preferential attachment and hidden hyperbolic spaces often generate…

无序系统与神经网络 · 物理学 2014-03-05 Luca Ferretti , Michele Cortelezzi , Marcello Mamino

We study an evolving spatial network in which sequentially arriving vertices are joined to existing vertices at random according to a rule that combines preference according to degree with preference according to spatial proximity. We…

概率论 · 数学 2015-06-30 Jonathan Jordan , Andrew R. Wade

We introduce a family of one-dimensional geometric growth models, constructed iteratively by locally optimizing the tradeoffs between two competing metrics, and show that this family is equivalent to a family of preferential attachment…

无序系统与神经网络 · 物理学 2007-05-23 N. Berger , C. Borgs , J. T. Chayes , R. M. D'Souza , R. D. Kleinberg
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