<abstract xmlns="http://www.w3.org/1999/xhtml"><p>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.</p></abstract>

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.

Some Kinds of Sparseness on the Real Line and Ideals on <italic>ω</italic>

Faculty of Mathematics and Computer Sciences

Annales Mathematicae Silesianae

This work is licensed under the Creative Commons Attribution 4.0 International License.

Some Kinds of Sparseness on the Real Line and Ideals on 

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...

Some Kinds of Sparseness on the Real Line and Ideals on ω

Published Online: Jul 09, 2020

Page range: 45 - 50

Received: Nov 27, 2019

Accepted: Jun 03, 2020

DOI: https://doi.org/10.2478/amsil-2020-0014

Keywords
summable ideals, O’Malley points

© 2020 Małgorzata Filipczak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Some Kinds of Sparseness on the Real Line and Ideals on ω

Published Online: Jul 09, 2020

Page range: 45 - 50

Received: Nov 27, 2019

Accepted: Jun 03, 2020

DOI: https://doi.org/10.2478/amsil-2020-0014

Keywordssummable ideals, O’Malley points

© 2020 Małgorzata Filipczak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
summable ideals, O’Malley points