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We prove that if A is the basin of immediate attraction to a periodic attracting or parabolic point for a rational map f on the Riemann sphere, then periodic points in the boundary of A are dense in this boundary. To prove this in the non…

Dynamical Systems · Mathematics 2008-02-03 Feliks Przytycki , Anna Zdunik

In this paper we shall give examples of maps and automorphisms with regions of attraction that are not simply connected.

Complex Variables · Mathematics 2011-11-15 Berit Stensønes , Liz Vivas

We discuss the dynamical, topological, and algebraic classification of rational maps $f$ of the Riemann sphere to itself each of whose critical points $c$ is also a fixed-point of $f$, i.e. $f(c)=c$.

Dynamical Systems · Mathematics 2013-08-28 Kristin Cordwell , Selina Gilbertson , Nicholas Nuechterlein , Kevin M. Pilgrim , Samantha Pinella

In this work, we consider a class of $n$-dimensional, $n\geq2$, piecewise linear discontinuous maps that can exhibit a new type of attractor, called a weird quasiperiodic attractor. While the dynamics associated with these attractors may…

Dynamical Systems · Mathematics 2025-05-20 Laura Gardini , Davide Radi , Noemi Schmitt , Iryna Sushko , Frank Westerhoff

For polynomials and rational maps of fixed degree over a finite field, we bound both the average number of connected components of their functional graphs as well as the average number of periodic points of their associated dynamical…

Dynamical Systems · Mathematics 2014-07-01 Ryan Flynn , Derek Garton

Many authors have studied the dynamics of hyperbolic transcendental entire functions; these are those for which the postsingular set is a compact subset of the Fatou set. Equivalenty, they are characterized as being expanding.…

Dynamical Systems · Mathematics 2021-07-01 Leticia Pardo-Simón

Relaxed Newton's method is a one-parameter family of root-finding methods that generalizes the classical Newton's method. When viewed as a rational map on the Riemann sphere, this family exhibits rich and subtle global dynamics that depend…

Dynamical Systems · Mathematics 2026-03-13 Soumen Pal

In this paper we study the stable set of the gradient flow associated with a critical point of an analytic function. In particular we present simple topological conditions which imply that this set contains an infinite family of…

Classical Analysis and ODEs · Mathematics 2020-11-04 Zbigniew Szafraniec

We describe $\omega$-limit sets of completely positive (CP) maps over finite-dimensional spaces. In such sets and in its corresponding convex hulls, CP maps present isometric behavior and the states contained in it commute with each other.…

Mathematical Physics · Physics 2016-12-20 Carlos F. Lardizabal

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

We construct mountain pass critical points of the perimeter functional on sets of fixed volume. For a generic metric, this gives rise to a smooth almost embedded hypersurface with non-zero constant mean curvature. Our work utilizes recent…

Analysis of PDEs · Mathematics 2025-10-29 Gregory R. Chambers , Jared Marx-Kuo

Pilgrim's Finite Global Attractor Conjecture has been verified for polynomials [1], but remains open for general rational maps. In this paper, we prove the conjecture for a family of rational maps obtained by gluing two PCF polynomials…

Dynamical Systems · Mathematics 2026-05-04 Panjing Wu

The purpose of this paper is to present several examples of non--autonomous basins of attraction that arise from sequences of automorphisms of $\mathbb C^k$. In the first part, we prove that the non-autonomous basin of attraction arising…

Complex Variables · Mathematics 2017-06-20 Sayani Bera , Ratna Pal , Kaushal Verma

We prove the saturation of a generalized partially hyperbolic attractor of a $C^2$ map. As a consequence, we show that any generalized partially hyperbolic horseshoe-like attractor of a $C^1$-generic diffeomorphism has zero volume. In…

Dynamical Systems · Mathematics 2018-11-29 A. Fakhari , M. Soufi

The theory of polynomial-like maps is of fundamental importance in holomorphic dynamics. We study dynamical properties of a larger class of maps. Our main result is that, under some natural conditions, a map of this class has a completely…

Dynamical Systems · Mathematics 2025-10-17 Genadi Levin

Let $K$ be a global function field of characteristic $p$ and degree $D$ over $\mathbb F_{p}(t)$. We consider dynamical systems over the projective line $\mathbb P^1(K)$ defined by rational maps with at most one prime of bad reduction. The…

Number Theory · Mathematics 2020-10-19 Silvia Fabiani

We establish a fixed-point theorem for the face maps that consist in deleting the $i$th entry of an ordered set. Furthermore, we show that there exists random finite sets of integers that are almost invariant under such deletions.…

Group Theory · Mathematics 2026-04-01 Tom Hutchcroft , Nicolas Monod , Omer Tamuz

We study the boundary behaviour of a meromorphic map $f: \mathbb C \to \widehat{\mathbb C}$ on its invariant simply connected Fatou component $U$. To this aim, we develop the theory of accesses to boundary points of $U$ and their relation…

Dynamical Systems · Mathematics 2016-12-15 Krzysztof Barański , Núria Fagella , Xavier Jarque , Bogusława Karpińska

A Thurston map $f\colon (S^2, A) \to (S^2, A)$ with marking set $A$ induces a pullback relation on isotopy classes of Jordan curves in $(S^2, A)$. If every curve lands in a finite list of possible curve classes after iterating this pullback…

Dynamical Systems · Mathematics 2024-01-31 Zachary Smith

This paper is part of a program to understand the parameter spaces of dynamical systems generated by meromorphic functions with finitely many singular values. We give a full description of the parameter space for a specific family based on…

Complex Variables · Mathematics 2022-01-24 Tao Chen , Yunping Jiang , Linda Keen