Some Kinds of Sparseness on the Real Line and Ideals on ω-Reference-Cited by-同舟云学术

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

Published:2020-07-01 Issue:1 Volume:34 Page:45-50
ISSN:2391-4238
Container-title:Annales Mathematicae Silesianae
language:en
Short-container-title:

Author:

Filipczak Małgorzata¹,Horbaczewska Grażyna¹

Affiliation:

1. Faculty of Mathematics and Computer Sciences , Łódź University , Stefana Banacha 22, 90-238 Łódź , Poland

Abstract

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.

Publisher

Walter de Gruyter GmbH

Subject

General Mathematics

Link

https://www.sciendo.com/pdf/10.2478/amsil-2020-0014

Reference5 articles.

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5. [5] W. Wilczyński and Ł. Wojdowski, W. Wojdowski Points of density and ideals of subsets of 𝕅, Georgian Math. J. 26 (2019), no. 4, 529–535.

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