The set of Banach limits and its discrete and continuous subsets

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Resumo

The note states criteria for a Banach limit to belong to discrete or to continuous part of the set of Banach limits. Diameters and radii of these parts are found, too.

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Sobre autores

N. Avdeev

Voronezh State University

Autor responsável pela correspondência
Email: nickkolok@mail.ru
Rússia, Voronezh

R. Zvolinskii

Voronezh State University

Email: roman.zvolinskiy@gmail.com
Rússia, Voronezh

E. Semenov

Voronezh State University

Email: nadezhka_ssm@geophys.vsu.ru
Rússia, Voronezh

A. Usachev

Voronezh State University; Central South University

Email: dr.alex.usachev@gmail.com
Rússia, Voronezh; Changsha, Hunan, People's Republic of China

Bibliografia

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  11. Семенов Е.М., Сукочев Ф.А., Усачев А.С. Основные классы инвариантных банаховых пределов // Изв. РАН. Сер. матем. 2019. Т. 83. № 1. С. 140–167.
  12. Семенов Е.М., Сукочев Ф.А., Усачев А.С. Структурные свойства множества банаховых пределов // Докл. РАН. 2011. Т. 441. № 2. С. 177–178.
  13. Semenov E., Sukochev F. Extreme points of the set of Banach limits // Positivity. 2013. Vol. 17. № 1. P. 163–170.
  14. Semenov E., Sukochev F., Usachev A., Zanin D. Invariant Banach limits and applications to noncommutative geometry // Pacific Math. J. 2020. V. 306. № 1. P. 357–373.

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