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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

Recursive maps of high order of convergence $m$ (say $m=2^{10}$ or $m=2^{20}$) induce certain monotone step functions from which one can filter relevant information needed to globally separate and compute the real roots of a function on a…

Numerical Analysis · Mathematics 2015-03-12 Mário M. Graça

Given a polynomial $p$ of degree $d$ and a bound $\kappa$ on a condition number of $p$, we present the first root-finding algorithms that return all its real and complex roots with a number of bit operations quasi-linear in $d…

Symbolic Computation · Computer Science 2021-02-09 Guillaume Moroz

This paper is concerned with exact real solving of well-constrained, bivariate polynomial systems. The main problem is to isolate all common real roots in rational rectangles, and to determine their intersection multiplicities. We present…

Symbolic Computation · Computer Science 2012-03-06 Dimitrios I. Diochnos , Ioannis Z. Emiris , Elias P. Tsigaridas

In the present study, we propose necessary and sufficient assumptions on the coefficients in order to only get distinct real roots of polynomials.

Combinatorics · Mathematics 2019-02-04 J. -M Billiot , E Fontenas

We investigate two well known dynamical systems that are designed to find roots of univariate polynomials by iteration: the methods known by Newton and by Ehrlich-Aberth. Both are known to have found all roots of high degree polynomials…

Numerical Analysis · Mathematics 2020-04-08 Sergey Shemyakov , Roman Chernov , Dzmitry Rumiantsau , Dierk Schleicher , Simon Schmitt , Anton Shemyakov

We present an exact and complete algorithm to isolate the real solutions of a zero-dimensional bivariate polynomial system. The proposed algorithm constitutes an elimination method which improves upon existing approaches in a number of…

Mathematical Software · Computer Science 2010-10-08 Eric Berberich , Pavel Emeliyanenko , Michael Sagraloff

This paper deals with the use of numerical methods based on random root sampling techniques to solve some theoretical problems arising in the analysis of polynomials. These methods are proved to be practical and give solutions where…

Numerical Analysis · Mathematics 2025-04-15 Yousra Gati , Vladimir Petrov Kostov , Mohamed Chaouki Tarchi

We describe a framework for bounding extreme values of quantities on global attractors of differential dynamical systems. A global attractor is the minimal set that attracts all bounded sets; it contains all forward-time limit points. Our…

Dynamical Systems · Mathematics 2020-09-18 David Goluskin

We study the behaviour of discrete dynamical systems generated by a continuous map $f$ of a compact real interval into itself where at randomly chosen times a function different from $f$ - so called impulse function is applied. We show that…

Dynamical Systems · Mathematics 2024-10-25 J. Kováč , J. Veselý , K. Janková

We study the computational complexity of decomposing finite discrete dynamical systems (FDDSs) in terms of the semiring operations of alternative and synchronous execution, which is useful for the analysis of discrete phenomena in science…

Discrete Mathematics · Computer Science 2026-04-10 Antonio E. Porreca , Marius Rolland

Numerical homotopy continuation methods for three classes of polynomial systems are presented. For a generic instance of the class, every path leads to a solution and the homotopy is optimal. The counting of the roots mirrors the resolution…

Numerical Analysis · Mathematics 2025-10-20 Jan Verschelde

The eccentric pie chart, a generalization of the traditional pie chart is introduced. An arbitrary point is fixed within the circle and rays are drawn from it. A sector is bounded by a pair of neighboring rays and the arc between them, The…

Metric Geometry · Mathematics 2021-10-22 Sándor Bozóki

We extract a two-dimensional dynamical system from the theorems of Pappus and Steiner in classical projective geometry. We calculate an explicit formula for this system, and study its elementary geometric properties. Then we use Artin…

Algebraic Geometry · Mathematics 2017-08-15 Jaydeep Chipalkatti , Attila Dénes

The dynamical classification of rational maps is a central concern of holomorphic dynamics. Much progress has been made, especially on the classification of polynomials and some approachable one-parameter families of rational maps; the goal…

Dynamical Systems · Mathematics 2022-01-10 Russell Lodge , Yauhen Mikulich , Dierk Schleicher

We introduce a new algorithm denoted DSC2 to isolate the real roots of a univariate square-free polynomial f with integer coefficients. The algorithm iteratively subdivides an initial interval which is known to contain all real roots of f.…

Symbolic Computation · Computer Science 2011-09-29 Michael Sagraloff

This paper presents a method to determine the reachable set (RS) of spacecraft after a single velocity impulse with an arbitrary direction, which is appropriate for the RS in both the state and observation spaces under arbitrary dynamics,…

Instrumentation and Methods for Astrophysics · Physics 2025-02-18 Xingyu Zhou , Roberto Armellin , Dong Qiao , Xiangyu Li

We consider the problem of approximating all real roots of a square-free polynomial $f$. Given isolating intervals, our algorithm refines each of them to a width of $2^{-L}$ or less, that is, each of the roots is approximated to $L$ bits…

Symbolic Computation · Computer Science 2015-03-19 Michael Kerber , Michael Sagraloff

We combine the known methods for univariate polynomial root-finding and for computations in the Frobenius matrix algebra with our novel techniques to advance numerical solution of a univariate polynomial equation, and in particular…

Numerical Analysis · Mathematics 2013-11-26 Victor Y. Pan , Ai-Long Zheng

Chaotic dynamics is an important source for generating pseudorandom binary sequences (PRNS). Much efforts have been devoted to obtaining period distribution of the generalized discrete Arnold's Cat map in various domains using all kinds of…

Chaotic Dynamics · Physics 2019-09-25 Chengqing Li , Kai Tan , Bingbing Feng , Jinhu Lü