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In this paper we consider the relationship between the Assouad and box-counting dimension and how both behave under the operation of taking products. We introduce the notion of `equi-homogeneity' of a set, which requires a uniformity in the…

Classical Analysis and ODEs · Mathematics 2015-12-16 Eric J. Olson , James C. Robinson , Nicholas Sharples

For a self-similar set in $\mathbb{R}^d$ that is the attractor of an iterated function system that does not verify the weak separation property, Fraser, Henderson, Olson and Robinson showed that its Assouad dimension is at least $1$. In…

Classical Analysis and ODEs · Mathematics 2020-07-02 Ignacio García

In the paper, we define a class of new fractals named ``non-autonomous attractors", which are the generalization of classic Moran sets and attractors of iterated function systems. Simply to say, we replace the similarity mappings by…

Classical Analysis and ODEs · Mathematics 2024-02-06 Yifei Gu , Jun Jie Miao

We show that if $X$ is a uniformly perfect complete metric space satisfying the finite doubling property, then there exists a fully supported measure with lower regularity dimension as close to the lower dimension of $X$ as we wish.…

Classical Analysis and ODEs · Mathematics 2018-05-22 Antti Käenmäki , Juha Lehrbäck

It is known that, unlike the Hausdorff dimension, the Assouad dimension of a self-similar set can exceed the similarity dimension if there are overlaps in the construction. Our main result is the following precise dichotomy for self-similar…

Classical Analysis and ODEs · Mathematics 2015-01-19 Jonathan. M. Fraser , Alexander. M. Henderson , Eric J. Olson , James C. Robinson

Non-autonomous self-similar sets are a family of compact sets which are, in some sense, highly homogeneous in space but highly inhomogeneous in scale. The main purpose of this note is to clarify various regularity properties and separation…

Dynamical Systems · Mathematics 2025-10-22 Antti Käenmäki , Alex Rutar

The class of stochastically self-similar sets contains many famous examples of random sets, e.g. Mandelbrot percolation and general fractal percolation. Under the assumption of the uniform open set condition and some mild assumptions on the…

Metric Geometry · Mathematics 2019-12-23 Sascha Troscheit

We investigate the Hausdorff measure and content on a class of quasi self-similar sets that include, for example, graph-directed and sub self-similar and self-conformal sets. We show that any Hausdorff measurable subset of such a set has…

Metric Geometry · Mathematics 2020-03-04 Jasmina Angelevska , Antti Käenmäki , Sascha Troscheit

We consider dimensional properties of limit sets of Moran constructions satisfying the finite clustering property. Just to name a few, such limit sets include self-conformal sets satisfying the weak separation condition and certain…

Classical Analysis and ODEs · Mathematics 2017-02-03 Antti Käenmäki , Eino Rossi

In this paper we study the Assouad-like $\Phi$ dimensions of sets and measures that are constructed by a random weighted iterated function system of similarities. These dimensions are distinguished by the depth of the scales considered and…

Classical Analysis and ODEs · Mathematics 2025-03-27 Kathryn E. Hare , Franklin Mendivil

If $X$ is a set with finite Assouad dimension, it is known that the Assouad dimension of $X-X$ does not necessarily obey any non-trivial bound in terms of the Assouad dimension of $X$. In this paper, we consider self-similar sets on the…

Dynamical Systems · Mathematics 2020-01-09 Alexandros Margaris , Eric J. Olson , James C. Robinson

Non-autonomous iterated function systems are a generalization of iterated function systems. If the contractions in the system are conformal mappings, it is called a non-autonomous conformal iterated function system, and its attractor is…

Dynamical Systems · Mathematics 2025-12-23 Junjie Miao , Tianrui Wang

The $\phi$-Assouad dimensions are a family of dimensions which interpolate between the upper box and Assouad dimensions. They are a generalization of the well-studied Assouad spectrum with a more general form of scale sensitivity that is…

Classical Analysis and ODEs · Mathematics 2025-07-10 Amlan Banaji , Alex Rutar , Sascha Troscheit

We obtain the Assouad dimensions of Moran sets under suitable condition. Using the homogeneous set, we also study the Assouad dimensions of Cantor-like sets.

Metric Geometry · Mathematics 2014-05-06 wen-wen Li , wen-xia Li , jun-jie Miao , li-feng Xi

In this paper, exact Hausdorff dimension formulas for a class of self-affine attractors generated by affine Iterated Function Systems are derived. We consider systems containing an affine map whose $n$-th iterate is a similarity…

Dynamical Systems · Mathematics 2026-05-12 Amal P. S. , Vinod Kumar P. B. , Ramkumar P. B

In analogy with the lower Assouad dimensions of a set, we study the lower Assouad dimensions of a measure. As with the upper Assouad dimensions, the lower Assouad dimensions of a measure provide information about the extreme local behaviour…

Metric Geometry · Mathematics 2021-07-01 Kathryn E. Hare , Sascha Troscheit

We study the dimension theory of limit sets of iterated function systems consisting of a countably infinite number of conformal contractions. Our focus is on the Assouad type dimensions, which give information about the local structure of…

Dynamical Systems · Mathematics 2024-03-14 Amlan Banaji , Jonathan M. Fraser

In this paper, we give the Assouad dimension formula and the upper bound of the lower dimension for homogeneous Moran sets under the condition $\sup_{k\ge 1}\{n_{k}\}<+\infty$. We also give the Assouad spectrum and the lower spectrum…

General Topology · Mathematics 2025-01-17 Yanzhe Li , Jun Li , Shuang Liang , Manli Lou

We investigate several aspects of the Assouad dimension and the lower dimension, which together form a natural `dimension pair'. In particular, we compute these dimensions for certain classes of self-affine sets and quasi-self-similar sets…

Metric Geometry · Mathematics 2014-10-29 Jonathan M. Fraser

In this paper, we determine the almost sure values of the $\Phi $-dimensions of random measures supported on random Moran sets that satisfy a uniform separation condition. The $\Phi $-dimensions are intermediate Assouad-like dimensions, the…

Classical Analysis and ODEs · Mathematics 2021-05-31 Kathryn E. Hare , Franklin Mendivil
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