Distinguishing properties of Arens irregularity

Author:

Hu Zhiguo,Neufang Matthias

Abstract

In this paper, we present a number of examples of commutative Banach algebras with various Arens irregularity properties. These examples illustrate in particular that strong Arens irregularity and extreme non-Arens regularity, the two natural concepts of “maximal” Arens irregularity for general Banach algebras as introduced by Dales-Lau and Granirer, respectively, are indeed distinct. Thereby, an open question raised by several authors is answered. We also link these two properties to another natural Arens irregularity property.

Publisher

American Mathematical Society (AMS)

Subject

Applied Mathematics,General Mathematics

Reference29 articles.

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1. On the extreme non‐Arens regularity of Banach algebras;Journal of the London Mathematical Society;2021-07-04

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