Abstract

Let R R be a commutative ring with identity. In this paper, for a given monotone decreasing positive sequence and an increasing sequence of subsets of R R , we will define a metric on R R using them. Then, we will use this kind of metric to obtain a variant of the proof of Van der Waerden's theorem by Furstenberg [3].

Highlights

  • Let R be a commutative ring with identity

  • We will use this kind of metric to obtain a variant of the proof of Van der Waerden’s theorem by Furstenberg [3]

  • In 1927, Van der Waerden published a famous theorem [5], which states that if the set of positive integers is divided into finitely many classes, at least one of these classes contains arbitrarily long arithmetic progressions

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Summary

Introduction

In 1927, Van der Waerden published a famous theorem [5], which states that if the set of positive integers is divided into finitely many classes, at least one of these classes contains arbitrarily long arithmetic progressions. A dynamical system is defined as a pair (X, T ), where X being a compact metric space and T is a continuous map (homeomorphism) from X into itself. Van der Waerden theorem, dynamical system, metric space.

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