On the extendability to \(\mathbf{\Pi}_3^0\) ideals and Katětov order

DOI10.1007/S00153-024-00912-XzbMATH Open1544.54008MaRDI QIDQ6565565

Jintao Luo, Jialiang He, Shuguo Zhang

Publication date: 2 July 2024

Published in: Archive for Mathematical Logic (Search for Journal in Brave)

zbMATH Keywords

Katětov orderBorel idealideal extendability

Mathematics Subject Classification ID

Selections in general topology (54C65) Foundations: limits and generalizations, elementary topology of the line (26A03) Cardinal characteristics of the continuum (03E17)

Cites Work

• Title not available (Why is that?)
• Title not available (Why is that?)
• Some structural aspects of the Katětov order on Borel ideals
• Forcing with quotients
• On extendability to \(F_\sigma\) ideals
• Ideal limits of sequences of continuous functions
• When does the Katětov order imply that one ideal extends the other?
• Ideals on countable sets: a survey with questions

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