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Let $I=[0,1)$, $-1<\lambda<1$ and $f\colon I\to I$ be a piecewise $\lambda$-affine map of the interval $I$, i.e., there exist a partition $0=a_0<a_1<\cdots< a_{k-1}<a_k=1$ of the interval $I$ into $k\geq2$ subintervals and $b_1,\ldots,…

Dynamical Systems · Mathematics 2022-11-28 José Pedro Gaivão

We explore the problem of finding the Hausdorff dimension of the set of points that recur to shrinking targets on a self-affine fractal. To be exact, we study the dimension of a certain related symbolic recurrence set. In many cases this…

Dynamical Systems · Mathematics 2018-12-19 Henna Koivusalo , Felipe A. Ramírez

We calculate the almost sure Hausdorff dimension of the random covering set $\limsup_{n\to\infty}(g_n + \xi_n)$ in $d$-dimensional torus $\mathbb T^d$, where the sets $g_n\subset\mathbb T^d$ are parallelepipeds, or more generally, linear…

Probability · Mathematics 2015-05-11 Esa Järvenpää , Maarit Järvenpää , Henna Koivusalo , Bing Li , Ville Suomala

In this paper we obtain the rates of convergence of the algorithms given in [13] and [14] for an automatic computation of the centered Hausdorff and packing measures of a totally disconnected self-similar set. We evaluate these rates…

Dynamical Systems · Mathematics 2017-04-26 Marta Llorente , M. Eugenia Mera , Manuel Moran

This paper considers self-conformal iterated function systems (IFSs) on the real line whose first level cylinders overlap. In the space of self-conformal IFSs, we show that generically (in topological sense) if the attractor of such a…

Classical Analysis and ODEs · Mathematics 2020-12-16 Balázs Bárány , István Kolossváry , Michał Rams , Károly Simon

We prove that the uniform unlabelled unrooted tree with n vertices and vertex degrees in a fixed set converges in the Gromov-Hausdorff sense after a suitable rescaling to the Brownian continuum random tree. This proves a conjecture by…

Probability · Mathematics 2016-12-15 Benedikt Stufler

In this paper, we study the Hausdorff dimension of fractal interpolation surfaces (FISs) over a triangular domain. These FISs are known as `wedding cake surfaces'. These surfaces are the attractor of some deterministic self-affine iterated…

Dynamical Systems · Mathematics 2025-10-07 Balázs Bárány , Manuj Verma

We define twelve variants of a Reifenberg's affine approximation property, which are known to be connected with the singular sets of minimal surfaces. With this motivation we investigate the regularity of the sets possessing these. We…

Metric Geometry · Mathematics 2010-12-21 Amos N. Koeller

In this article, we provide a simple and systematic way to represent general (inhomogeneous) fractals that may look different at different scales and places. By using set-valued compression maps, we express these general fractals as…

Classical Analysis and ODEs · Mathematics 2024-06-04 Tynan Lazarus , Enrique G Alvarado , Qinglan Xia

In this paper we study a class of random Cantor sets. We determine their almost sure Hausdorff, packing, box, and Assouad dimensions. From a topological point of view, we also compute their typical dimensions in the sense of Baire category.…

Probability · Mathematics 2016-09-27 Changhao Chen

We consider the Assouad dimensions of orthogonal projections of planar sets onto lines. Our investigation covers both general and self-similar sets. For general sets, the main result is the following: if a set in the plane has Assouad…

Classical Analysis and ODEs · Mathematics 2017-05-04 Jonathan M. Fraser , Tuomas Orponen

The concept of fractal index is introduced in connection with the idea of universal class $h$ of particles or quasiparticles, termed fractons, which obey fractal statistics. We show the relation between fractons and conformal field…

High Energy Physics - Theory · Physics 2017-08-23 Wellington da Cruz

We consider the dimensions of a family of self-affine sets related to the Bedford-McMullen carpets. In particular, we fix a Bedford-McMullen system and then randomise the translation vectors with the stipulation that the column structure is…

Dynamical Systems · Mathematics 2017-03-30 Jonathan Fraser , Pablo Shmerkin

An additive process is a stochastic process with independent increments and that is continuous in probability. In this paper, we study the almost sure Hausdorff and Fourier dimension of the graph of continuous additive additive processes…

Probability · Mathematics 2022-07-01 Dexter Dysthe , Chun-Kit Lai

We consider Non Autonomous Conformal Iterative Function Systems (NACIFS) and their limit set. Our main concern is harmonic measure and its dimensions : Hausdorff and Packing. We prove that this two dimensions are continuous under…

Dynamical Systems · Mathematics 2024-09-13 Athanasios Batakis , Guillaume Havard

We consider badly approximable numbers in the case of dyadic diophantine approximation. For the unit circle $\mathbb{S}$ and the smallest distance to an integer $\|\cdot\|$ we give elementary proofs that the set $F(c) = \{x \in \mathbb{S}:…

Dynamical Systems · Mathematics 2010-02-25 Johan Nilsson

Let $X=\{X(t),t\in\mathbb{R}^N\}$ be a random field with values in $\mathbb{R}^d$. For any finite Borel measure $\mu$ and analytic set $E\subset\mathbb{R}^N$, the Hausdorff and packing dimensions of the image measure $\mu_X$ and image set…

Statistics Theory · Mathematics 2010-11-24 Narn-Rueih Shieh , Yimin Xiao

This article presents the construction of a non-affine hypersurface on an $n$-simplex in $\mathbb{R}^n$. Additionally, fractal dimension of the graph of a non-affine multivariate real-valued fractal function is estimated under certain…

Dynamical Systems · Mathematics 2024-11-14 A. Hossain , J. Buescu

This work continues the study of the properties of finitely constrained groups of binary tree automorphisms in terms of their Hausdorff dimension. We prove that there are exactly $2^{2d-3}$ finitely constrained groups of binary tree…

Group Theory · Mathematics 2017-10-17 Andrew Penland

We determine the Hausdorff, packing and box-counting dimension of a family of self-affine sets generalizing Bara\'nski carpets. More specifically, we fix a Bara\'nski system and allow both vertical and horizontal random translations, while…

Dynamical Systems · Mathematics 2017-05-22 Leticia Pardo Simón