Some Kinds of Sparseness on the Real Line and Ideals on ω
und | 09. Juli 2020
Über diesen Artikel
Online veröffentlicht: 09. Juli 2020
Seitenbereich: 45 - 50
Eingereicht: 27. Nov. 2019
Akzeptiert: 03. Juni 2020
DOI: https://doi.org/10.2478/amsil-2020-0014
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© 2020 Małgorzata Filipczak et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
We show that a large class of summable ideals can be defined using a certain kind of “sparseness” of subsets of the line near zero, but it is still an open question whether this gives a characterization of the whole class.