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Related papers: Jumps of entropy for $C^r$ interval maps

200 papers

Let $r\ge 2$ be an integer. The real number $\alpha\in [0,1]$ is a jump for $r$ if there exists a constant $c > 0$ such that for any $\epsilon >0$ and any integer $m \geq r$, there exists an integer $n_0(\epsilon, m)$ satisfying any…

Combinatorics · Mathematics 2022-08-02 Jianfeng Hou , Heng Li , Caihong Yang , Yixiao Zhang

We study the asymptotical behaviour of iterates of piecewise contractive maps of the interval. It is known that Poincar\'e first return maps induced by some Cherry flows on transverse intervals are, up to topological conjugacy, piecewise…

Dynamical Systems · Mathematics 2014-07-09 Arnaldo Nogueira , Benito Pires

In this paper, we show that, under some technical assumptions, the Kolmogorov-Sinai entropy and the permutation entropy are equal for one-dimensional maps if there exists a countable partition of the domain of definition into intervals such…

Dynamical Systems · Mathematics 2018-08-03 Tim Gutjahr , Karsten Keller

We consider a one parameter family of Lorenz maps indexed by their point of discontinuity $p$ and constructed from a pair of bilipschitz functions. We prove that their topological entropies vary continuously as a function of $p$ and discuss…

Dynamical Systems · Mathematics 2026-01-14 Zoe Cooperband , Erin P. J. Pearse , Blaine Quackenbush , Jordan M. Rowley , Tony Samuel , Matthew A. West

In this paper, we study dynamics of maps on quasi-graphs characterizing their invariant measures. In particular, we prove that every invariant measure of quasi-graph map with zero topological entropy has discrete spectrum. Additionally, we…

Dynamical Systems · Mathematics 2022-03-18 Jian Li , Piotr Oprocha , Guohua Zhang

We give a survey of the entropy theory of interval maps as it can be analyzed using ergodic theory, especially measures of maximum entropy and periodic points. The main tools are (i) a version of Hofbauer's Markov diagram, (ii) the…

Dynamical Systems · Mathematics 2007-05-23 Jerome Buzzi

Let $f_{i},$ $i=1,2$ be piecewise-smooth $C^{1}$ circle homeomorphisms with two break points, $\log Df_{i},$ $i=1,2$ are absolutely continuous on each continuity intervals of $Df_{i}$ and $D\log Df_{i}\in L^{p}$ for some $p>1.$ Suppose, the…

Dynamical Systems · Mathematics 2013-02-28 Habibulla Akhadkulov , Akhtam Dzhalilov , Mohd Salmi Md. Noorani

Let $(X,d)$ be a compact metric space, $f:X \mapsto X$ be a continuous map with the specification property, and $\varphi: X \mapsto \IR$ a continuous function. We consider the set of points for which the Birkhoff average of $\varphi$ does…

Dynamical Systems · Mathematics 2008-07-15 Daniel Thompson

Let $M$ be a closed, oriented, and connected Riemannian $n$-manifold, for $n\ge 2$, which is not a rational homology sphere. We show that, for a non-constant and non-injective uniformly quasiregular self-map $f\colon M\to M$, the…

Dynamical Systems · Mathematics 2021-01-01 Ilmari Kangasniemi , Yûsuke Okuyama , Pekka Pankka , Tuomas Sahlsten

In this work, we introduce the notion of entropy at infinity, and define a wide class of noncompact manifolds with negative curvature, those which admit a critical gap between entropy at infinity and topological entropy. We call them…

Dynamical Systems · Mathematics 2018-02-15 Barbara Schapira , Samuel Tapie

The notion of topological entropy can be conceptualized in terms of the number of forward trajectories that are distinguishable at resolution $\varepsilon$ within $T$ time units. It can then be formally defined as a limit of a limit…

Dynamical Systems · Mathematics 2017-08-15 Winfried Just , Ying Xin

This is an outline of work in progress. We study the conjecture that the topological entropy of a real cubic map depends ``monotonely'' on its parameters, in the sense that each locus of constant entropy in parameter space is a connected…

Dynamical Systems · Mathematics 2016-09-06 Silvina P. Dawson , Roza Galeeva , John W. Milnor , Charles Tresser

In this paper, we introduce topological entropy for dynamical systems generated by a single local homeomorphism (Deaconu-Renault systems). More precisely, we generalize Adler, Konheim, and McAndrew's definition of entropy via covers and…

Dynamical Systems · Mathematics 2023-01-25 Daniel Gonçalves , Danilo Royer , Felipe Augusto Tasca

A classical construction due to Newhouse creates horseshoes from hyperbolic periodic orbits with large period and weak domination through local $C^1$-perturbations. Our main theorem shows that, when one works in the $C^1$ topology, the…

Dynamical Systems · Mathematics 2017-11-07 Jerome Buzzi , Sylvain Crovisier , Todd Fisher

Let $G$ be a discrete, countably infinite group and $H$ a subgroup of $G$. If $H$ acts continuously on a compact metric space $X$, then we can induce a continuous action of $G$ on $\prod_{H\backslash G}X$ where $H\backslash G$ is the…

Dynamical Systems · Mathematics 2025-10-16 Dakota M. Leonard

In this thesis, we provide an initial investigation into bounds for topological entropy of switched linear systems. Entropy measures, roughly, the information needed to describe the behavior of a system with finite precision on finite time…

Optimization and Control · Mathematics 2016-10-14 James Schmidt

The ground state energy of a finite-dimensional one-parameter Hamiltonian and the continuity of a maximum-entropy inference map are discussed in the context of quantum critical phenomena. The domain of the inference map is a convex compact…

Mathematical Physics · Physics 2020-01-07 Ilya M. Spitkovsky , Stephan Weis

In this paper, we first prove that the topological entropy of induced map of any distal homeomorphism of a compact metric space is null. Then we consider induced map $2^f$ of an arbitrary pointwise periodic homeomorphism $f:X\to X$ of a…

Dynamical Systems · Mathematics 2026-03-24 Issam Naghmouchi

This paper generalizes sofic entropy theory, in both the topological and measure-theory settings, to actions of locally compact groups. We prove invariance under topological and measure conjugacy of these entropies and establish the…

Dynamical Systems · Mathematics 2023-11-07 Lewis Bowen

Let $C(\mathbf I)$ be the set of all continuous self-maps from ${\mathbf I}=[0,1]$ with the topology of uniformly convergence. A map $f\in C({\mathbf I})$ is called a transitive map if for every pair of non-empty open sets $U,V$ in…

Dynamical Systems · Mathematics 2020-06-18 Zhaorong He , Jian Li , Zhongqiang Yang