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Related papers: Convergence of multiple ergodic averages

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Nonstandard ergodic averages can be defined for a measure-preserving action of a group on a probability space, as a natural extension of classical (nonstandard) ergodic averages. We extend the one-dimensional theory, obtaining L^1 pointwise…

Dynamical Systems · Mathematics 2012-06-21 Patrick LaVictoire , Andrew Parrish , Joseph Rosenblatt

A collection of integer sequences is jointly ergodic if for every ergodic measure preserving system the multiple ergodic averages, with iterates given by this collection of sequences, converge in the mean to the product of the integrals. We…

Dynamical Systems · Mathematics 2023-02-06 Nikos Frantzikinakis

Following Frantzikinakis' approach on averages for Hardy field functions of different growth, we add to the topic by studying the corresponding averages for tempered functions, a class which also contains functions that oscillate and is in…

Dynamical Systems · Mathematics 2020-07-16 Andreas Koutsogiannis

We consider weighted ergodic averages indexed by primes, where the weight depends on the prime, and is a "trace function" coming from algebraic geometry. We obtain extensions the classical mean-ergodic and pointwise ergodic theorems, as…

Number Theory · Mathematics 2023-09-26 Emmanuel Kowalski

In this paper, we survey physically related applications of a class of weighted quasi-Monte Carlo methods from a theoretical, deterministic perspective, and establish quantitative universal rapid convergence results via various regularity…

Dynamical Systems · Mathematics 2026-01-27 Zhicheng Tong , Yong Li

We establish pointwise convergence for nonconventional ergodic averages taken along $\lfloor p^c\rfloor$, where $p$ is a prime number and $c\in(1,4/3)$ on $L^r$, $r\in(1,\infty)$. In fact, we consider averages along more general sequences…

Dynamical Systems · Mathematics 2024-12-11 Erik Bahnson , Leonidas Daskalakis , Abbas Dohadwala , Ish Shah

We study weighted ensemble, an interacting particle method for sampling distributions of Markov chains that has been used in computational chemistry since the 1990s. Many important applications of weighted ensemble require the computation…

Numerical Analysis · Mathematics 2022-04-22 David Aristoff

We prove weighted and vector-valued variational estimates for ergodic averages on $\mathbb{R}^d$. The weighted square function estimate relating ergodic averages to the dyadic martingale is obtained using an $\ell^r$ version of a reverse…

Classical Analysis and ODEs · Mathematics 2018-03-13 Ben Krause , Pavel Zorin-Kranich

In this survey we review useful tools that naturally arise in the study of pointwise convergence problems in analysis, ergodic theory and probability. We will pay special attention to quantitative aspects of pointwise convergence phenomena…

Dynamical Systems · Mathematics 2022-09-07 Mariusz Mirek , Tomasz Z. Szarek , James Wright

We extend the theory of ergodic optimization and maximizing measures to the non-commutative field of C*-dynamical systems. We then provide a result linking the ergodic optimizations of elements of a C*-dynamical system to the convergence of…

Operator Algebras · Mathematics 2023-03-30 Aidan Young

For an ergodic map $T$ and a non-constant, real-valued $f \in L^1$, the ergodic averages $\mathbb{A}_N f(x) = \frac{1} {N} \sum_{n=1}^N f(T^n x)$ converge a.e., but the convergence is never monotone. Depending on particular properties of…

Dynamical Systems · Mathematics 2025-01-03 Sovanlal Mondal , Joe Rosenblatt , Máté Wierdl

In this paper, among other things, we state and prove the mean ergodic theorem for amenable semigroup algebras.

Dynamical Systems · Mathematics 2007-07-16 Ali Ghaffari

We survey an area of recent development, relating dynamics to theoretical computer science. We discuss the theoretical limits of simulation and computation of interesting quantities in dynamical systems. We will focus on central objects of…

Dynamical Systems · Mathematics 2011-04-15 Stefano Galatolo , Mathieu Hoyrup , Cristóbal Rojas

In this article, we establish weighted strong and weak type inequalities for non-commutative square functions that naturally arise in the analysis of differences between ball averages and martingale sequences within the framework of group…

Functional Analysis · Mathematics 2026-01-05 Panchugopal Bikram , Diptesh Saha

It is shown that the cubic nonconventional ergodic averages of any order with a bounded aperiodic multiplicative function or von Mangoldt weights converge almost surely.

Dynamical Systems · Mathematics 2018-07-04 el Houcein el Abdalaoui , Xiangdong Ye

The classical Birkhoff ergodic theorem in its most popular version says that the time average along a single typical trajectory of a dynamical system is equal to the space average with respect to the ergodic invariant distribution. This…

Dynamical Systems · Mathematics 2017-12-06 Michael Blank

The mean ergodic theorem is equivalent to the assertion that for every function K and every epsilon, there is an n with the property that the ergodic averages A_m f are stable to within epsilon on the interval [n,K(n)]. We show that even…

Dynamical Systems · Mathematics 2016-07-15 Jeremy Avigad , Philipp Gerhardy , Henry Towsner

For a Dunford-Schwartz operator in a fully symmetric space of measurable functions of an arbitrary measure space, we prove pointwise convergence of the conventional and weighted ergodic averages.

Functional Analysis · Mathematics 2017-01-01 Vladimir Chilin , Dogan Comez , Semyon Litvinov

We unify and extend some previous results about cubic ergodic averages and sets of positive density in products of groups. This provides a joint generalization of earlier work of the author in the case of two commuting actions of an…

Dynamical Systems · Mathematics 2008-12-11 John T. Griesmer

For a Dunford-Schwartz operator in the $L^p-$space, $1\leq p< \infty$ , of an arbitrary measure space, we prove pointwise convergence of the conventional and Besicovitch weighted ergodic averages. Pointwise convergence of various types of…

Functional Analysis · Mathematics 2016-09-21 Vladimir Chilin , Dogan Comez , Semyon Litvinov