On \(\sigma\)-porous sets and Borel sets

DOI10.1016/0166-8641(89)90091-6zbMath0692.54024OpenAlexW1969734235MaRDI QIDQ583643

Luděk Zajíček

Publication date: 1989

Published in: Topology and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0166-8641(89)90091-6

zbMATH Keywords

universal functionsBorel setnon-\(\sigma\)-porous sets

Mathematics Subject Classification ID

Descriptive set theory (03E15) Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) (54H05) Classification of real functions; Baire classification of sets and functions (26A21)

Related Items (3)

Covering properties of ideals ⋮ About porosity of some Świątkowski functions in the space of quasi-continuous functions ⋮ Can ideals without ccc be interesting?

Cites Work

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• Constructions of some non-\(\sigma\)-porous sets on the real line
• Continuous functions need not have \(\sigma\)-porous graphs
• A note on the \(\sigma\)-ideal of \(\sigma\)-porous sets
• Porosity and \(\sigma\)-porosity

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