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We consider the concept of fractons, i.e. particles or quasiparticles which obey specific fractal distribution function and for each universal class h of particles we obtain a fractal-deformed Heisenberg algebra. This one takes into account…

高能物理 - 理论 · 物理学 2007-05-23 Wellington da Cruz

Fractons are anyons classified into equivalence classes and they obey a specific fractal statistics. The equivalence classes are labeled by a fractal parameter or Hausdorff dimension $h$. We consider this approach in the context of the…

高能物理 - 理论 · 物理学 2008-11-26 Wellington da Cruz

Much of the structure in metric spaces that allows for the creation of fractals exists in more generalized non-metrizable spaces. In particular the same theorems regarding the behavior of compact sets can be proven in the more general…

一般拓扑 · 数学 2015-11-17 Annie Carter , Daniel Lithio , Tristan Tager

Dimensions of level sets of generic continuous functions and generic H\"older functions defined on a fractal $F$ encode information about the geometry, ``the thickness" of $F$. While in the continuous case this quantity is related to a…

经典分析与常微分方程 · 数学 2024-10-10 Zoltán Buczolich , Balázs Maga , Gáspár Vértesy

Michael Barnsley introduced a family of fractals sets which are repellers of piecewise affine systems. The study of these fractals was motivated by certain problems that arose in fractal image compression but the results we obtained can be…

动力系统 · 数学 2019-01-15 Balázs Bárány , Michał\ Rams , Károly Simon

We provide the first known upper bounds for the packing dimension of weighted singular and weighted $\omega$-singular matrices. We also prove upper bounds for these sets when intersected with fractal subsets. The latter results, even in the…

数论 · 数学 2026-05-05 Gaurav Aggarwal , Anish Ghosh

The distribution of visible matter in the universe, such as galaxies and galaxy clusters, has its origin in the week fluctuations of density that existed at the epoch of recombination. The hierarchical distribution of the universe, with its…

宇宙学与河外天体物理 · 物理学 2015-01-21 Bruce N. Miller , Jean-Louis Rouet , Yui Shiozawa

A simple method of calculating the Hausdorff-Besicovitch dimension of the Kronecker Product based fractals is presented together with a compact R script realizing it. The proposed new formula is based on traditionally used values of the…

动力系统 · 数学 2018-03-08 Anatoly E. Voevudko

A class of two-dimensional linear differential systems is considered. The box-counting dimension of the graphs of solution curves is calculated. Criteria to obtain the box-counting dimension of spirals are also established.

经典分析与常微分方程 · 数学 2017-03-08 Masakazu Onitsuka , Satoshi Tanaka

We study the fractal scaling of iso-levels sets of a passive scalar mixed by three-dimensional homogeneous and isotropic turbulence at high Reynolds numbers. The Schmidt number is unity. A fractal box-counting dimension $D_F$ can be…

流体动力学 · 物理学 2020-05-06 Kartik P. Iyer , Jörg Schumacher , Katepalli R. Sreenivasan , P. K. Yeung

"Cut-out sets" are fractals that can be obtained by removing a sequence of disjoint regions from an initial region of d-dimensional euclidean space. Conversely, a description of some fractals in terms of their void complementary set is…

天体物理学 · 物理学 2008-11-26 Jose Gaite

We consider a fractal with a variable fractal dimension, which is a generalization of the well known triadic Cantor set. In contrast with the usual Cantor set, the fractal dimension is controlled using a scaling factor, and can vary from…

统计力学 · 物理学 2010-07-02 A. Yu. Cherny , E. M. Anitas , A. I. Kuklin , M. Balasoiu , V. A. Osipov

We investigate the box-counting dimension of the image of a set $E \subset \mathbb{R}$ under a random multiplicative cascade function $f$. The corresponding result for Hausdorff dimension was established by Benjamini and Schramm in the…

概率论 · 数学 2022-11-30 Kenneth J. Falconer , Sascha Troscheit

In this report we present experimental results using \emph{Haussdorf-Besicovich} fractal dimension for performing morphological galaxy classification. The fractal dimension is a topological, structural and spatial property that give us…

计算机视觉与模式识别 · 计算机科学 2017-06-26 Jorge de la Calleja , Elsa M. de la Calleja , Hugo Jair Escalante

Spatial patterns and processes of cities can be described with various entropy functions. However, spatial entropy always depends on the scale of measurement, and it is difficult to find a characteristic value for it. In contrast, fractal…

物理与社会 · 物理学 2018-12-19 Yanguang Chen , Jiejing Wang , Jian Feng

For each $k\ge 3$, we determine the dimensional threshold for planar fractal percolation to contain $k$ collinear points. In the critical case of dimension $1$, the largest linear slice of fractal percolation is a Cantor set of zero…

概率论 · 数学 2025-01-28 Pablo Shmerkin , Ville Suomala

Our first experience of dimension typically comes in the intuitive Euclidean sense: a line is one dimensional, a plane is two-dimensional, and a volume is three-dimensional. However, following the work of Mandelbrot \cite{mandelbrot},…

物理教育 · 物理学 2022-09-05 Charles E. Creffield

In this paper, we prove the identity $\dim_{\textrm H}(F)=d\cdot \dim_{\textrm H}(\alpha^{-1}(F))$, where $\dim_{\textrm H}$ denotes Hausdorff dimension, $F\subseteq \mathbb{R}^d$, and $\alpha:[0,1]\to [0,1]^d$ is a function whose…

度量几何 · 数学 2019-03-29 M. A. Sánchez-Granero , M. Fernández-Martínez

We investigate the geometry of a critical system undergoing a second order thermal phase transition. Using a local description for the dynamics characterizing the system at the critical point T=Tc, we reveal the formation of clusters with…

高能物理 - 唯象学 · 物理学 2009-10-31 N. G. Antoniou , Y. F. Contoyiannis , F. K. Diakonos

Mean Hausdorff dimension is a dynamical version of Hausdorff dimension. It provides a way to dynamicalize geometric measure theory. We pick up the following three classical results of fractal geometry. (1) The calculation of Hausdorff…

动力系统 · 数学 2022-09-02 Masaki Tsukamoto