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We consider the fractal characteristic of the quantum mechanical paths and we obtain for any universal class of fractons labeled by the Hausdorff dimension defined within the interval 1$ $$ < $$ $$h$$ $$ <$$ $$ 2$, a fractal distribution…

统计力学 · 物理学 2007-05-23 Wellington da Cruz

In this paper, we study the fractal properties of the boundary of the Cantorval connected with Guthrie-Nymann's series. In particular, we prove that such a Cantorval can be represented as a union of open intervals and a Cantor set having…

动力系统 · 数学 2024-08-27 Mykola Pratsiovytyi , Dmytro Karvatskyi

The purpose of this paper is to study the fractal phenomena in large data sets and the associated questions of dimension reduction. We examine situations where the classical Principal Component Analysis is not effective in identifying the…

We establish various new results on a problem proposed by K. Mahler in 1984 concerning rational approximation to fractal sets by rational numbers inside and outside the set in question, respectively. Some of them provide a natural…

数论 · 数学 2021-07-01 Johannes Schleischitz

This paper is an exposition, with some new applications, of our results on the growth of entropy of convolutions. We explain the main result on $\mathbb{R}$, and derive, via a linearization argument, an analogous result for the action of…

动力系统 · 数学 2017-06-07 Michael Hochman

In this paper we introduce and study discrete analogues of Lebesgue and Hausdorff dimensions for graphs. It turned out that they are closely related to well-known graph characteristics such as rank dimension and Prague (or…

组合数学 · 数学 2019-03-22 Leonid Bunimovich , Pavel Skums

Atmospheric flows exhibit cantorian fractal space-time fluctuations signifying long-range spatiotemporal correlations. A recently developed cell dynamical system model shows that such non-local connections are intrinsic to quantum-like…

chao-dyn · 物理学 2007-05-23 A. M. Selvam , Suvarna Fadnavis

In the present article a new class $\Upsilon$ of all sets represented in the following form is introduced: $$ \mathbb S_{(s,u)}\equiv\left\{x: x= \Delta^{s}_{{\underbrace{u...u}_{\alpha_1-1}} \alpha_1{\underbrace{u...u}_{\alpha_2…

经典分析与常微分方程 · 数学 2017-03-16 Symon Serbenyuk

While the numerical methods which utilizes partitions of equal-size, including the box-counting method, remain the most popular choice for computing the generalized dimension of multifractal sets, two mass- oriented methods are investigated…

数据分析、统计与概率 · 物理学 2015-01-22 Yui Shiozawa , Bruce N. Miller , Jean-Louis Rouet

We study some properties of a class of random connected planar fractal sets induced by a Poissonian scale-invariant and translation-invariant point process. Using the second-moment method, we show that their Hausdorff dimensions are…

概率论 · 数学 2017-07-19 Serban Nacu , Wendelin Werner

Self-similar sets with open set condition, the linear objects of fractal geometry, have been considered mainly for crystallographic data. Here we introduce new symmetry classes in the plane, based on rotation by irrational angles. Examples…

度量几何 · 数学 2023-01-02 Christoph Bandt , Dmitry Mekhontsev

Modularization is a cornerstone of computer science, abstracting complex functions into atomic building blocks. In this paper, we introduce a new level of modularization by abstracting generative models into atomic generative modules.…

机器学习 · 计算机科学 2025-02-26 Tianhong Li , Qinyi Sun , Lijie Fan , Kaiming He

Until now multiscale quantum problems have appeared to be out of reach at the many-body level relevant to strongly correlated materials and current quantum information devices. In fact, they can be modeled with $q$-th order fractional…

量子物理 · 物理学 2025-01-27 Joshua M. Lewis , Lincoln D. Carr

We present and analyse numerical quadrature rules for evaluating regular and singular integrals on self-similar fractal sets. The integration domain $\mathbb{R}^n$ is assumed to be the compact attractor of an iterated function system of…

数值分析 · 数学 2023-10-11 A. Gibbs , D. P. Hewett , A. Moiola

We present a generalized stochastic Cantor set by means of a simple {\it cut and delete process} and discuss the self-similar properties of the arising geometric structure. To increase the flexibility of the model, two free parameters, $m$…

统计力学 · 物理学 2009-11-07 M. K. Hassan , J. Kurths

The main goal of this paper has a double purpose. On the one hand, we propose a new definition in order to compute the fractal dimension of a subset respect to any fractal structure, which completes the theory of classical box-counting…

混沌动力学 · 物理学 2010-07-23 M. Fernández-Martínez , M. A Sánchez-Granero

In this article a collection of random self-similar fractal dendrites is constructed, and their Hausdorff dimension is calculated. Previous results determining this quantity for random self-similar structures have relied on geometrical…

概率论 · 数学 2012-10-23 David A. Croydon

We study new relations between countable iterated function systems (IFS) with overlaps, Smale endomorphisms and random systems with complete connections. We prove that stationary measures for countable conformal IFS with overlaps and…

动力系统 · 数学 2022-02-16 Eugen Mihailescu , Mariusz Urbanski

We consider several different models for generating random fractals including random self-similar sets, random self-affine carpets, and fractal percolation. In each setting we compute either the \emph{almost sure} or the \emph{Baire…

度量几何 · 数学 2018-04-26 Jonathan M. Fraser , Jun Jie Miao , Sascha Troscheit

We study families $\Phi$ of coverings which are faithful for the Hausdorff dimension calculation on a given set $E$ (i. e., special relatively narrow families of coverings leading to the classical Hausdorff dimension of an arbitrary subset…

概率论 · 数学 2013-05-28 Sergio Albeverio , Ganna Ivanenko , Mykola Lebid , Grygoriy Torbin