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We use random matrix theory to study the spectrum of random geometric graphs, a fundamental model of spatial networks. Considering ensembles of random geometric graphs we look at short range correlations in the level spacings of the…

物理与社会 · 物理学 2017-06-08 Carl P. Dettmann , Orestis Georgiou , Georgie Knight

A fractal is in essence a hierarchy with cascade structure, which can be described with a set of exponential functions. From these exponential functions, a set of power laws indicative of scaling can be derived. Hierarchy structure and…

物理与社会 · 物理学 2017-07-13 Yanguang Chen

To construct dispersion relations for diffusion or oscillation processes on random networks, it is necessary to obtain effective length scales for the eigenvectors of a graph Laplacian matrix, whose eigenvalues represent inverse time…

无序系统与神经网络 · 物理学 2026-04-30 Per Arne Rikvold

A class of simplified measures is constructed to capture the key features of generic spatio-temporally chaotic systems. A combined analytical and numerical investigation allows us to extablish the scaling beahviour of the fractal dimension…

chao-dyn · 物理学 2009-10-31 Antonio Politi , Annette Witt

Suspensions of hard core spherical particles of diameter $D$ with inter-core connectivity range $\delta$ can be described in terms of random geometric graphs, where nodes represent the sphere centers and edges are assigned to any two…

无序系统与神经网络 · 物理学 2017-09-12 Claudio Grimaldi

Complex numbers define the relationship between entities in many situations. A canonical example would be the off-diagonal terms in a Hamiltonian matrix in quantum physics. Recent years have seen an increasing interest to extend the tools…

社会与信息网络 · 计算机科学 2023-07-06 Yu Tian , Renaud Lambiotte

This paper describes how realistic neuromorphic networks can have their connectivity fully characterized in analytical fashion. By assuming that all neurons have the same shape and are regularly distributed along the two-dimensional…

无序系统与神经网络 · 物理学 2007-05-23 Luciano da Fontoura Costa , Marconi Soares Barbosa

This paper presents a Monte-Carlo study of percolation in a distorted square lattice, in which, the adjacent sites are not equidistant. Starting with an undistorted lattice, the position of the lattice sites are shifted through a tunable…

统计力学 · 物理学 2019-01-16 Sayantan Mitra , Dipa Saha , Ankur Sensharma

Hausdorff dimension of level sets of generic continuous functions defined on fractals can give information about the "thickness/narrow cross-sections" "network" corresponding to a fractal set, $F$. This lead to the definition of the…

经典分析与常微分方程 · 数学 2023-06-21 Zoltán Buczolich , Balázs Maga

Locally finite self-similar graphs with bounded geometry and without bounded geometry as well as non-locally finite self-similar graphs are characterized by the structure of their cell graphs. Geometric properties concerning the volume…

组合数学 · 数学 2007-05-23 Bernhard Krön

Algorithmic fractal dimensions quantify the algorithmic information density of individual points and may be defined in terms of Kolmogorov complexity. This work uses these dimensions to bound the classical Hausdorff and packing dimensions…

计算复杂性 · 计算机科学 2021-03-02 Neil Lutz

Network theory and inverse modeling are two standard tools of applied physics, whose combination is needed when studying the dynamical organization of spatially distributed systems from indirect measurements. However, the associated…

数据分析、统计与概率 · 物理学 2015-01-30 Vincent Wens

We consider first and second order consensus algorithms in networks with stochastic disturbances. We quantify the deviation from consensus using the notion of network coherence, which can be expressed as an $H_2$ norm of the stochastic…

系统与控制 · 计算机科学 2013-10-10 Stacy Patterson , Bassam Bamieh

The curves of scaling behavior is a significant concept in fractal dimension analysis of complex systems. However, the underlying rationale of this kind of curves for fractal cities is not yet clear. The aim of this paper is at researching…

物理与社会 · 物理学 2025-08-28 Yanguang Chen

The metric dimension of non-component graph, associated to a finite vector space, is determined. It is proved that the exchange property holds for resolving sets of the graph, except a special case. Some results are also related to an…

组合数学 · 数学 2016-03-22 Usman Ali , Syed Ahtisham Bokhary , Khola Wahid

Last decade, numerous giant data center networks are built to provide increasingly fashionable web applications. For two integers $m\geq 0$ and $n\geq 2$, the $m$-dimensional DCell network with $n$-port switches $D_{m,n}$ and…

组合数学 · 数学 2022-12-27 Lina Ba , Heping Zhang

Recently, it has been proposed that the natural connectivity can be used to efficiently characterise the robustness of complex networks. Natural connectivity quantifies the redundancy of alternative routes in a network by evaluating the…

统计力学 · 物理学 2010-09-20 Jun Wu , Mauricio Barahona , Yuejin Tan , Hongzhong Deng

We investigate a network model based on an infinite regular square lattice embedded in the Euclidean plane where the node connection probability is given by the geometrical distance of nodes. We show that the degree distribution in the…

物理与社会 · 物理学 2008-06-23 Matus Medo , Jan Smrek

The magnitude of Pearson correlation between two scalar random variables can be visually judged from the two-dimensional scatter plot of an independent and identically distributed sample drawn from the joint distribution of the two…

统计方法学 · 统计学 2023-03-14 Shanjun Mao , Xiaodan Fan , Jie Hu

The measuring stations of a geophysical network are often spatially distributed in an inhomogeneous manner. The areal inhomogeneity can be well characterized by the fractal dimension D_H of the network, which is usually smaller than the…

大气与海洋物理 · 物理学 2021-03-23 Valerio Capecchi , Alfonso Crisci , Samantha Melani , Marco Morabito , Paolo Politi