On a conjecture of Debs and Saint Raymond

DOI10.4064/FM111-5-2022arXiv2109.01516OpenAlexW3198622858WikidataQ122983988 ScholiaQ122983988MaRDI QIDQ6044547

Adam Kwela

Publication date: 19 May 2023

Published in: Fundamenta Mathematicae (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2109.01516

zbMATH Keywords

idealfilterKatětov orderBorel separation rank

Mathematics Subject Classification ID

Descriptive set theory (03E15) Foundations: limits and generalizations, elementary topology of the line (26A03) Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) (54H05) Other combinatorial set theory (03E05)

Cites Work

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• A combinatorial property of Fréchet iterated filters
• Homogeneous ideals on countable sets
• Inductive limits of ideals
• A note on a new ideal
• Katětov order on Borel ideals
• Ideal limits of sequences of continuous functions
• Filter descriptive classes of Borel functions
• Analytic quotients: theory of liftings for quotients over analytic ideals on the integers
• When does the Katětov order imply that one ideal extends the other?
• YET ANOTHER IDEAL VERSION OF THE BOUNDING NUMBER

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