Cichoń’s maximum with cardinals of the closed null ideal

Fundamenta Mathematicae 2026 Open access

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Authors: Takashi Yamazoe
DOI: 10.4064/fm241212-22-8
Cited by: 0

Abstract

Let E denote the σ-ideal generated by closed null sets on the reals. We show that the uniformity and the covering of E can be added to Cichoń’s maximum with distinct values. More specifically, it is consistent that ℵ1

Fields of Study & Subjects

Advanced Topology and Set Theory Advanced Banach Space Theory Mathematical and Theoretical Analysis

Publication details

Journal / source
Fundamenta Mathematicae
Publication date
14 January 2026
Language
EN