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The family of Vicsek fractals is one of the most important and frequently-studied regular fractal classes, and it is of considerable interest to understand the dynamical processes on this treelike fractal family. In this paper, we…

Statistical Mechanics · Physics 2010-03-19 Zhongzhi Zhang , Bin Wu , Hongjuan Zhang , Shuigeng Zhou , Jihong Guan , Zhigang Wang

We study the spectral properties of a fractal VNLE obtained from the standard Vicsek set VS by making a countable number of identifications of points so that all the line segments in VS become circles in VNLE. We show that the standard…

Analysis of PDEs · Mathematics 2017-12-06 Robert S. Strichartz , Sophia Zhu

Fractal phenomena may be widely observed in a great number of complex systems. In this paper, we revisit the well-known Vicsek fractal, and study some of its structural properties for purpose of understanding how the underlying topology…

Probability · Mathematics 2020-11-10 Fei Ma , Xiaomin Wang , Ping Wang , Xudong Luo

Vicsek fractal graphs are an important class of infinite graphs with self similar properties, polynomial growth and treelike features, on which several dynamical processes such as random walks or Abelian sandpiles can be rigorously analyzed…

Probability · Mathematics 2024-08-22 Nico Heizmann , Robin Kaiser , Ecaterina Sava-Huss

We develop the foundation of the spectral analysis on Barlow-Evans projective limit fractals, or vermiculated spaces, which corresponds to symmetric Markov processes on these spaces. For some new examples, such as the generalized Laakso…

Classical Analysis and ODEs · Mathematics 2019-01-08 Benjamin Steinhurst , Alexander Teplyaev

The Vicsek fractals are one of the most interesting classes of fractals and the study of their structural properties is important. In this paper, the exact formula for the mean geodesic distance of Vicsek fractals is found. The quantity is…

Disordered Systems and Neural Networks · Physics 2008-10-23 Zhongzhi Zhang , Shuigeng Zhou , Lichao Chen , Ming Yin , Jihong Guan

We study the graphs associated with Vicsek sets in higher dimensional settings. First, we study the eigenvalues of the Laplacians on the approximating graphs of the Vicsek sets, finding a general spectral decimation function. This is an…

Analysis of PDEs · Mathematics 2022-03-30 Shiping Cao , Robert S. Strichartz , Melissa Wei

The family of $V$-variable fractals provides a means of interpolating between two families of random fractals previously considered in the literature; scale irregular fractals ($V=1$) and random recursive fractals ($V=\infty$). We consider…

Probability · Mathematics 2015-02-04 U. Freiberg , B. M. Hambly , John E. Hutchinson

Using a generalized cut vertex expansion we introduce the concept of an extended fracture function for the description of semi-inclusive deep inelastic processes in the target fragmentation region. Extended fracture functions are shown to…

High Energy Physics - Phenomenology · Physics 2009-10-30 M. Grazzini , L. Trentadue , G. Veneziano

The spectral properties of the restricted fractional Dirichlet Laplacian in ${\sf V}$-shaped waveguides are studied. The continuous spectrum for such domains with cylindrical outlets is known to occupy the ray $[\Lambda_\dagger, +\infty)$…

Spectral Theory · Mathematics 2024-05-28 Fedor Bakharev , Sergey Matveenko

Fractional electromagnetic field theory describes electromagnetic wave propagation through the complex, nonlocal, dissipative, fractal and also recent artificially engineered materials know as fractional metamaterials. In this theory using…

General Physics · Physics 2022-10-11 Hosein Nasrolahpour

We study here the small-angle scattering structure factor for deterministic fat fractals in the reciprocal space. It is shown that fat fractals are exact self-similar in the range of iterations having the same values of the scaling factor,…

Statistical Mechanics · Physics 2015-07-17 E. M. Anitas

Fractals are self-repeating patterns which have dimensions given by fractions rather than integers. While the dimension of a system unambiguously defines its properties, a fractional dimensional system can exhibit interesting properties.…

Materials Science · Physics 2019-11-20 Mohammed Ghadiyali , Sajeev Chacko

We study the spectral decomposition of the Laplacian on a family of fractals $\mathcal{VS}_n$ that includes the Vicsek set for $n=2$, extending earlier research on the Sierpinski Gasket. We implement an algorithm [24] for spectral…

Analysis of PDEs · Mathematics 2016-04-06 Sarah Constantin , Robert S. Strichartz , Miles Wheeler

Effective resistance (ER) is an attractive way to interrogate the structure of graphs. It is an alternative to computing the eigen-vectors of the graph Laplacian. Graph laplacians are used to find low dimensional structures in high…

Machine Learning · Computer Science 2023-06-30 Robi Bhattacharjee , Alex Cloninger , Yoav Freund , Andreas Oslandsbotn

Preliminary results of extensive numerical experiments on a simple model specified by the smooth canonical strongly chaotic 2D-map with global virtual invariant curves (VICs) are presented and discussed. We focus on the statistics of the…

Chaotic Dynamics · Physics 2009-11-07 B. V. Chirikov , V. V. Vecheslavov

In this paper, we have firstly proposed a new one-dimensional variable frequency photonic crystals (VFPCs), and calculated the transmissivity and the electronic field distribution of VFPCs with and without defect layer, and considered the…

Optics · Physics 2015-08-19 Xiang-Yao Wu , Ji Ma , Xiao-Jing Liu , Jing-Hai Yang , Hong Li , Wan-Jin Chen

Materials science inherently spans disciplines: experimentalists use advanced microscopy to uncover micro- and nanoscale structure, while theorists and computational scientists develop models that link processing, structure, and properties.…

Machine Learning · Computer Science 2026-03-25 Simon Daubner , Alexander E. Cohen , Benjamin Dörich , Samuel J. Cooper

The electrostatics properties of composite materials with fractal geometry are studied in the framework of fractional calculus. An electric field in a composite dielectric with a fractal charge distribution is obtained in the spherical…

Statistical Mechanics · Physics 2015-05-30 Emmanuel Baskin , Alexander Iomin

We establish properties of a new type of fractal which has partial self similarity at all scales. For any collection of iterated functions systems with an associated probability distribution and any positive integer V there is a…

Dynamical Systems · Mathematics 2008-02-04 Michael Barnsley , John E. Hutchinson , Örjan Stenflo
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