À propos de cet article
Publié en ligne: 09 juil. 2020
Pages: 45 - 50
Reçu: 27 nov. 2019
Accepté: 03 juin 2020
DOI: https://doi.org/10.2478/amsil-2020-0014
Mots clés
© 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.