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We draw attention to a clear dichotomy between small-world networks exhibiting exponential neighborhood growth, and fractal-like networks where neighborhoods grow according to a power law. This distinction is observed in a number of…

统计力学 · 物理学 2009-11-10 Gábor Csányi , Balázs Szendröi

In this paper we study $g$-fractional diffusion on bounded domains in $\mathbb{R}^d$ with absorbing boundary conditions. We show the explicit representation of the solution and then we study the first passage time distribution, showing the…

偏微分方程分析 · 数学 2023-03-09 L. Angelani , R. Garra

A fractional diffusion equation with advection term is rigorously derived from a kinetic transport model with a linear turning operator, featuring a fat-tailed equilibrium distribution and a small directional bias due to a given vector…

偏微分方程分析 · 数学 2015-10-19 Pedro Aceves-Sanchez , Christian Schmeiser

We extend Feynman's analysis of an infinite ladder circuit to fractal circuits, providing examples in which fractal circuits constructed with purely imaginary impedances can have characteristic impedances with positive real part. Using…

The spatially distributed reaction networks are indispensable for the understanding of many important phenomena concerning the development of organisms, coordinated cell behavior, and pattern formation. The purpose of this brief discussion…

最优化与控制 · 数学 2013-05-15 Marko Seslija , Jacquelien M. A. Scherpen , Arjan van der Schaft

Fractals are self-similar recursive structures that have been used in modeling several real world processes. In this work we study how "fractal-like" processes arise in a prediction game where an adversary is generating a sequence of bits…

机器学习 · 计算机科学 2013-04-30 Rina Panigrahy , Preyas Popat

We prove the existence of fractal solutions to a class of linear ordinary differential equations.This reveals the possibility of chaos in the very short time limit of the evolution even of a linear one dimensional dynamical system.

chao-dyn · 物理学 2008-02-03 Dhurjati Prasad Datta

This work studies exact solvability of a class of fractional reaction-diffusion equation with the Riemann-Liouville fractional derivatives on the half-line in terms of the similarity solutions. We derived the conditions for the equation to…

统计力学 · 物理学 2024-03-12 C. -L. Ho

Dynamical behaviors of complex interacting systems, including brain activities, financial price movements, and physical collective phenomena, are associated with underlying interactions between the system's components. The issue of…

机器学习 · 计算机科学 2025-12-03 Shuhan Zheng , Ziqiang Li , Kantaro Fujiwara , Gouhei Tanaka

A model based on self-organizing nature of the surfaces is represented to capture the evolution of friction networks. Also, the curvatures of displacement fields are determined and critical curvature profiles are connected through links to…

地球物理 · 物理学 2012-12-12 H. O. Ghaffari

We introduce the concept of boundaries of a complex network as the set of nodes at distance larger than the mean distance from a given node in the network. We study the statistical properties of the boundaries nodes of complex networks. We…

数学物理 · 物理学 2016-09-08 Jia Shao , Sergey V. Buldyrev , Reuven Cohen , Maksim Kitsak , Shlomo Havlin , H. Eugene Stanley

We study the kinetics of random sequential adsorption of a mixture of particles with continuous distribution of sizes for different deposition rules. It appears in the long time limit the resulting system can be described using the fractal…

凝聚态物理 · 物理学 2008-02-03 M. K. Hassan

The theory of resource distribution in self-organizing systems on the basis of the fractal-cluster method has been presented. In turn, the fractal-cluster method is based on the fractal-cluster relations of V.P. Burdakov and the analytical…

适应与自组织系统 · 物理学 2025-01-27 V. T. Volov

In the present article, the main attention is given to fractal sets whose elements have certain restrictions on using digits or combinations of digits in own nega-P-representation. Topological, metric, and fractal properties of images of…

经典分析与常微分方程 · 数学 2022-07-25 Symon Serbenyuk

Fractional, anomalous diffusion in space-periodic potentials is investigated. The analytical solution for the effective, fractional diffusion coefficient in an arbitrary periodic potential is obtained in closed form in terms of two…

统计力学 · 物理学 2021-02-02 E. Heinsalu , M. Patriarca , I. Goychuk , P. Hanggi

Using a numerical library for arbitrary precision arithmetic I study the irregular dependence of the diffusion coefficient on the slope of a piecewise linear map defining a dynamical system. I find that the graph of the diffusion…

混沌动力学 · 物理学 2007-05-23 Zbigniew Koza

Fractional diffusion equations for three-dimensional lattice models based on fractional-order differences of the Grunwald-Letnikov type are suggested. These lattice fractional diffusion equations contain difference operators that describe…

统计力学 · 物理学 2015-03-13 Vasily E. Tarasov

This paper deals with the gradient stability and the gradient stabilizability of Caputo time fractional diffusion linear systems. First, we give sufficient conditions that allow the gradient Mittag-Leffler and strong stability, where we use…

最优化与控制 · 数学 2026-02-25 Hanaa Zitane , Delfim F. M. Torres

The diffraction spectrum of coherent waves scattered from fractal supports is calculated exactly. The fractals considered are of the class generated iteratively by successive dilations and translations, and include generalizations of the…

凝聚态物理 · 物理学 2009-10-28 Daniel A. Hamburger-Lidar

Real networks can be classified into two categories: fractal networks and non-fractal networks. Here we introduce a unifying model for the two types of networks. Our model network is governed by a parameter $q$. We obtain the topological…

其他凝聚态物理 · 物理学 2008-08-07 Zhongzhi Zhang , Shuigeng Zhou , Lichao Chen , Jihong Guan