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In this paper we present a systematic study of continuous local iterated function systems. We prove local iterated function systems admit compact attractors and, under a contractivity assumption, construct their code space and present an…

Dynamical Systems · Mathematics 2026-01-13 Elismar R. Oliveira , Paulo Varandas

In the paper we unify two extensions of the classical Hutchinson--Barnsley theory - the topological and the fuzzy-set approaches. We show that a fuzzy iterated function system (fuzzy IFS) on a Tychonoff space $X$ which is contracting w.r.t.…

Dynamical Systems · Mathematics 2025-09-30 Taras Banakh , Krzysztof Caban , Filip Strobin

Let $(b_k)_{k = 0}^\infty$ be strictly decreasing sequence of real numbers such that $b_0 = 1$ and $\{f_k:[b_k,b_{k-1}]\to [0,1]\}_{k\in\N}$ be decreasing functions such that $f_k(b_k) = 1$ and $f_k(b_{k-1}) = 0$, $k = 1, 2, \dots$. By…

Dynamical Systems · Mathematics 2026-03-30 Rafał Tryniecki

We study weakly hyperbolic iterated function systems on compact spaces, as defined by Edalat, but in the more general setting of a compact parameter space. We prove the existence of attractors, both in the topological and measure…

Dynamical Systems · Mathematics 2016-10-03 Alexander Arbieto , André Junqueira , Bruno Santiago

This paper introduces a new class of iterated function systems (IFSs) called R-IFSs, which include both rotation/reflection maps and contraction maps. The study of R-IFSs is motivated by the recent research direction on enriching IFSs by…

Dynamical Systems · Mathematics 2024-10-25 Hung Nguyen Viet , Duy Mai The , Thanh Vu Thi Hong

Conditions are given which imply that analytic iterated function systems (IFS's) in the complex plane have uniformly perfect attractor sets. In particular, it is shown that the attractor set of a finitely generated conformal IFS is…

Dynamical Systems · Mathematics 2007-08-24 Rich Stankewitz

We associate to each iterated function system consisting of phi-max-contractions an operator (on the space of continuous functions from the shift space on the metric space corresponding to the system) having a unique fixed point whose image…

Classical Analysis and ODEs · Mathematics 2017-04-11 Flavian Georgescu , Radu Miculescu , Alexandru Mihail

In this article, we study the novel concept of non-stationary iterated function systems (IFSs) introduced by Massopust in 2019. At first, using a sequence of different contractive operators, we construct non-stationary $\alpha$-fractal…

Dynamical Systems · Mathematics 2023-03-21 Anarul Islam Mondal , Sangita Jha

We consider a class of iterated function systems (IFSs) of contracting similarities of $R^n$, introduced by Hutchinson, for which the invariant set possesses a natural H\"older continuous parameterization by the unit interval. When such an…

Metric Geometry · Mathematics 2018-03-01 Annina Iseli , Kevin Wildrick

Conditions are given which imply that certain non-autonomous analytic iterated function systems (NIFS's) in the complex plane C have uniformly perfect attractor sets. Examples are given to illustrate the main theorem, as well as to indicate…

Complex Variables · Mathematics 2021-01-28 Kurt Falk , Rich Stankewitz

This paper introduces an intrinsic theory of Thermodynamic Formalism for Iterated Functions Systems with general positive continuous weights (IFSw).We study the spectral properties of the Transfer and Markov operators and one of our first…

Dynamical Systems · Mathematics 2017-07-07 L. Cioletti , Elismar R. Oliveira

This paper refined and introduced some notations (namely attractors, physical attractors, proper attractors, topologically exact and topologically mixing) within the context of relations. We establish necessary and sufficient conditions,…

Dynamical Systems · Mathematics 2025-10-07 Aliasghar Sarizadeh

In this paper, we study cut sets of attractors of iteration function systems (IFS) in $\mathbb{R}^d$. Under natural conditions, we show that all irreducible cut sets of these attractors are perfect sets or single points. This leads to a…

General Topology · Mathematics 2014-12-08 Benoît Loridant , Jun Luo , Tarek Sellami , Jörg Thuswaldner

Let $\{S_i\}_{i=1}^\ell$ be an iterated function system (IFS) on $\R^d$ with attractor $K$. Let $(\Sigma,\sigma)$ denote the one-sided full shift over the alphabet $\{1,..., \ell\}$. We define the projection entropy function $h_\pi$ on the…

Dynamical Systems · Mathematics 2010-02-11 De-Jun Feng , Huyi Hu

This paper is in the form of an essay. It defines fractal tops and code space structures associated with set-attractors of hyperbolic iterated function systems (IFSs). The fractal top of an IFS is associated with a certain shift invariant…

Dynamical Systems · Mathematics 2007-05-23 Michael F. Barnsley

We extend classical basis constructions from Fourier analysis to attractors for affine iterated function systems (IFSs). This is of interest since these attractors have fractal features, e.g., measures with fractal scaling dimension.…

Classical Analysis and ODEs · Mathematics 2008-02-13 Dorin Ervin Dutkay , Palle E. T. Jorgensen

This paper discusses, certain algebraic, analytic, and topological results on partial iterated function systems($IFS_p$'s). Also, the article proves the Collage theorem for partial iterated function systems. Further, it provides a method to…

Dynamical Systems · Mathematics 2022-12-09 Praveen M , Sunil Mathew

The study of generalized iterated function systems (GIFS) was introduced by Mihail and Miculescu in 2008. We provide a new approach to study those systems as the limit of the Hutchinson-Barnsley setting for infinite iterated function…

Dynamical Systems · Mathematics 2023-01-24 Elismar R. Oliveira

For an iterated function system (IFS) of simillitidues, we define two graphs on the representing symbolic space. We show that if the self-similar set $K$ has positive Lebesgue measure or the IFS satisfies the weak separation condition, then…

Functional Analysis · Mathematics 2012-06-28 Xiang-Yang Wang

We consider the iterated function systems (IFSs) that consist of three general similitudes in the plane with centres at three non-collinear points, and with a common contraction factor $\la\in(0,1)$. As is well known, for $\la=1/2$ the…

Dynamical Systems · Mathematics 2009-11-10 Dave Broomhead , James Montaldi , Nikita Sidorov