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MATHEMATICS
The set of Banach limits and its discrete and continuous subsets
N. N. Avdeeva, R. E. Zvolinskiia, E. M. Semenova, A. S. Usachevab a Voronezh State University, Voronezh, Russia
b Central South University, Changsha
Abstract:
Criteria for a Banach limit to belong to the discrete or continuous part of the set of Banach limits are presented. The diameters and radii of these parts are found.
Keywords:
Banach limits, invariant Banach limits, diameter and radius of a set.
Citation:
N. N. Avdeev, R. E. Zvolinskii, E. M. Semenov, A. S. Usachev, “The set of Banach limits and its discrete and continuous subsets”, Dokl. RAN. Math. Inf. Proc. Upr., 518 (2024), 61–64; Dokl. Math., 110:1 (2024), 346–348
Linking options:
https://www.mathnet.ru/eng/danma551 https://www.mathnet.ru/eng/danma/v518/p61
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