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We consider random walks in random environments on Z^d. Under a transitivity hypothesis that is much weaker than the customary ellipticity condition, and assuming an absolutely continuous invariant measure on the space of the environments,…

概率论 · 数学 2013-02-12 Marco Lenci

We consider continuous-time random walk models described by arbitrary sojourn time probability density functions. We find a general expression for the distribution of time-averaged observables for such systems, generalizing some recent…

统计力学 · 物理学 2010-09-10 Alberto Saa , Roberto Venegeroles

We study a general class of random walks driven by a uniquely ergodic Markovian environment. Under a coupling condition on the environment we obtain strong ergodicity properties for the environment as seen from the position of the walker,…

概率论 · 数学 2013-10-04 Frank Redig , Florian Völlering

We prove that any ergodic endomorphism on torus admits a sequence of periodic orbits uniformly distributed in the metric sense. As a corollary, an endomorphism on torus is ergodic if and only if the Haar measure can be approximated by…

动力系统 · 数学 2024-11-19 Daohua Yu , Shaobo Gan

Statistical mechanics is founded on the assumption that all accessible configurations of a system are equally likely. This requires dynamics that explore all states over time, known as ergodic dynamics. In isolated quantum systems, however,…

Monomial mappings, $x\mapsto x^n$, are topologically transitive and ergodic with respect to Haar measure on the unit circle in the complex plane. In this paper we obtain an anologous result for monomial dynamical systems over $p-$adic…

动力系统 · 数学 2008-06-03 Matthias Gundlach , Andrei Khrennikov , Karl-Olof Lindahl

We study measurement-induced nonlinear dynamics generated by an iterated quantum protocol combining an entangling gate, a single-qubit rotation, and post-selection. For pure single-qubit inputs, a particular choice of the single-qubit…

量子物理 · 物理学 2026-01-01 Attila Portik , Orsolya Kálmán , Tamás Kiss

We study the Ergodic Properties of Random Walks in stationary ergodic environments without uniform ellipticity under a minimal assumption. There are two main components in our work. The first step is to adopt the arguments of Lawler to…

概率论 · 数学 2026-02-03 Ayan Ghosh

Experiments on particles' motion in living cells show that it is often subdiffusive. This subdiffusion may be due to trapping, percolation-like structures, or viscoelatic behavior of the medium. While the models based on trapping (leading…

无序系统与神经网络 · 物理学 2015-06-11 Yasmine Meroz , Igor M. Sokolov , Joseph Klafter

This paper considers 1-dimensional generalized random walks in random scenery. That is, the steps of the walk are generated by an arbitrary stationary process, and also the scenery is a priori arbitrary stationary. Under an ergodicity…

动力系统 · 数学 2007-05-23 F. M. Dekking , P. Liardet

Ergodicity of random dynamical systems with a periodic measure is obtained on a Polish space. In the Markovian case, the idea of Poincar\'e sections is introduced. It is proved that if the periodic measure is PS-ergodic, then it is ergodic.…

概率论 · 数学 2021-03-19 Chunrong Feng , Huaizhong Zhao

We study nontrivial entropy invariants in the class of parabolic flows on homogeneous spaces, quasi-unipotent flows. We show that topological complexity (ie, slow entropy) can be computed directly from the Jordan block structure of the…

动力系统 · 数学 2019-08-27 Adam Kanigowski , Kurt Vinhage , Daren Wei

We discuss conditions for unique ergodicity of a collective random walk on a continuous circle. Individual particles in this collective motion perform independent (and different in general) random walks conditioned by the assumption that…

动力系统 · 数学 2015-06-18 Michael Blank

We consider a class of multi-layer interacting particle systems and characterize the set of ergodic measures with finite moments. The main technical tool is duality combined with successful coupling.

概率论 · 数学 2024-03-13 Frank Redig , Hidde van Wiechen

In this article, we pay attention to transitive dynamical systems having the shadowing property and the entropy functions are upper semicontinuous. As for these dynamical systems, when we consider ergodic optimization restricted on the…

动力系统 · 数学 2021-12-24 Wanshan Lin , Xueting Tian

We provide examples of transitive partially hyperbolic dynamics (specific but paradigmatic examples of homoclinic classes) which blend different types of hyperbolicity in the one-dimensional center direction. These homoclinic classes have…

动力系统 · 数学 2018-05-21 Lorenzo J. Díaz , Katrin Gelfert , Tiane Marcarini , Michał Rams

We consider N nearest neighbor random walks on the positive integers with a drift towards the origin. When one walk reaches the origin, it jumps to the position of one of the other N-1 walks, chosen uniformly at random. We show that this…

概率论 · 数学 2012-12-19 Amine Asselah , Marie-Noémie Thai

In this paper, we study the complicated dynamics of Anosov systems driven by an external force in the context of geometric theory (an abundance of random periodic points and random horseshoes) and smooth ergodic theory (random periodic…

动力系统 · 数学 2019-12-10 Wen Huang , Zeng Lian , Kening Lu

The generic behavior of quantum systems has long been of theoretical and practical interest. Any quantum process is represented by a sequence of quantum channels. We consider general ergodic sequences of stochastic channels with arbitrary…

量子物理 · 物理学 2022-07-08 Ramis Movassagh , Jeffrey Schenker

We consider quantum trajectories arising from disordered, repeated generalized measurements, which have the structure of Markov chains in random environments (MCRE) with dynamically-defined transition probabilities; we call these disordered…

数学物理 · 物理学 2025-01-31 Owen Ekblad , Eloy Moreno-Nadales , Lubashan Pathirana
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