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We consider the secant method $S_p$ applied to a real polynomial $p$ of degree $d+1$ as a discrete dynamical system on $\mathbb R^2$. If the polynomial $p$ has a local extremum at a point $\alpha$ then the discrete dynamical system…

Dynamical Systems · Mathematics 2024-05-15 Ernest Fontic , Antonio Garijo , Xavier Jarque

We show the existence of automorphisms $F$ of $\mathbb{C}^{2}$ with a non-recurrent Fatou component $\Omega$ biholomorphic to $\mathbb{C}\times\mathbb{C}^{*}$ that is the basin of attraction to an invariant entire curve on which $F$ acts as…

Complex Variables · Mathematics 2020-07-21 Josias Reppekus

In this article, the dynamics of a one-parameter family of functions $f_{\lambda}(z) = \frac{\sin{z}}{z^2 + \lambda},$ $\lambda>0$, are studied. It shows the existence of parameters $0< \lambda_{1}< \lambda_{2}$ such that bifurcations occur…

Dynamical Systems · Mathematics 2025-05-02 Gaurav Kumar , M. Guru Prem Prasaad

In this paper, we investigate geometric properties of monotone systems by studying their isostables and basins of attraction. Isostables are boundaries of specific forward-invariant sets defined by the so-called Koopman operator, which…

Optimization and Control · Mathematics 2016-03-23 Aivar Sootla , Alexandre Mauroy

Zhang and Strogatz [Phys. Rev. Lett. 127, 194101 (2021)] used high-dimensional simulations to argue that basins of attraction in the Kuramoto ring are octopus-like: their volume scales as $e^{-kq^2}$ in the winding number $q$, nearly all of…

Mathematical Physics · Physics 2026-04-23 Pablo Groisman

In this paper we use the planar circular restricted three-body problem where one of the primary bodies is an oblate spheroid or an emitter of radiation in order to determine the basins of attraction associated with the equilibrium points.…

Earth and Planetary Astrophysics · Physics 2016-08-31 Euaggelos E. Zotos

Let f_n be a sequence of analytic functions in a domain U with a common attracting fixed point z_0. Suppose that f_n converges to f_0 uniformly on each compact subset of U and that z_0 is a Siegel point of f_0. We establish a sufficient…

Complex Variables · Mathematics 2011-11-09 Pavel Gumenuk

We generalise a recent example by F. Bracci, J. Raissy and B. Stens{\o}nes to construct automorphisms of $\mathbb{C}^{d}$ admitting an arbitrary finite number of non-recurrent Fatou components, each biholomorphic to…

Complex Variables · Mathematics 2020-02-10 Josias Reppekus

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

Dynamics on parabolic immediate basins for rational Newton maps of entire functions have been studied. It is proved that every parabolic immediate basin contains invariant accesses to the parabolic fixed point at infinity. Moreover, among…

Dynamical Systems · Mathematics 2019-02-06 Khudoyor Mamayusupov

It has been conjectured that every stable manifold arising from a holomorphic automorphism, that acts hyperbolically on a compact invariant set, is biholomorphic to complex Euclidean space. Such stable manifolds are known to be…

Complex Variables · Mathematics 2024-10-23 Sayani Bera , Kaushal Verma

Let $f$ be a continuous endomorphism of a surface $M$, and $A$ an attracting set such that the restriction $f|_A: A \to A$ is a $d:1$ covering map. We show that if $f$ is a local homeomorphism in the immediate basin $B^0_A$ of $A$, then $f$…

Dynamical Systems · Mathematics 2012-08-16 Jorge Iglesias , Aldo Portela , Álvaro Rovella , Juliana Xavier

We study the dynamics of a generic endomorphism $f$ of an Oka-Stein manifold $X$. Such manifolds include all connected linear algebraic groups and, more generally, all Stein homogeneous spaces of complex Lie groups. We give several…

Complex Variables · Mathematics 2021-03-23 Leandro Arosio , Finnur Larusson

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

This thesis deals with automorphisms of real algebraic surfaces, which are polynomial transformations with a polynomial inverse. The main concern is whether their restriction to the real locus reflects all the richness of the complex…

Dynamical Systems · Mathematics 2012-07-03 Arnaud Moncet

In dynamical systems saddle points partition the domain into basins of attractions of the remaining locally stable equilibria. This problem is rather common especially in population dynamics models. Precisely, a particular solution of a…

Numerical Analysis · Mathematics 2015-11-26 Roberto Cavoretto , Alessandra De Rossi , Emma Perracchione , Ezio Venturino

We study the dynamics in C^2 of superattracting fixed point germs and of polynomial maps near infinity. In both cases we show that the asymptotic attraction rate is a quadratic integer, and construct a plurisubharmonic function with the…

Dynamical Systems · Mathematics 2007-05-23 Charles Favre , Mattias Jonsson

In this paper we study the dynamics of a family of diffeomorphisms in $\bR^2$ defined by $ F(x,y)=(g(x)+h(y),h(x)), $ where $ g(x) $ is a unimodal $C^2$-map which has the same dynamical properties as the logistic map $P(x)=\mu x(1-x)$, and…

Dynamical Systems · Mathematics 2013-10-16 Sandra Hayes , Christian Wolf

We investigate the behavior of trajectories of a $(3,2)$-rational $p$-adic dynamical system in the complex $p$-adic filed ${\mathbb C}_p$, when there exists a unique fixed point $x_0$. We study this $p$-adic dynamical system by dynamics of…

Dynamical Systems · Mathematics 2013-10-21 U. A. Rozikov , I. A. Sattarov

In applied sciences, such as physics and biology, it is often required to model the evolution of populations via dynamical systems. In this paper, we focus on the problem of approximating the basins of attraction of such models in case of…

Numerical Analysis · Mathematics 2016-06-29 Roberto Cavoretto , Stefano De Marchi , Alessandra De Rossi , Emma Perracchione , Gabriele Santin