Calibrated thin $\boldsymbol {\Pi }_{\mathbf 1}^{\mathbf 1}$ $\sigma $-ideals are $\boldsymbol G_\delta $

DOI10.1090/S0002-9939-97-04041-0zbMath0880.03024OpenAlexW1540476088MaRDI QIDQ4356712

Miroslav Zelený

Publication date: 1 October 1997

Published in: Proceedings of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1090/s0002-9939-97-04041-0

zbMATH Keywords

compact setscompact metric space\(\sigma\)-ideal\(U\)-sets\(U_ 0\)-sets

Mathematics Subject Classification ID

Descriptive set theory (03E15) Classes of sets (Borel fields, (sigma)-rings, etc.), measurable sets, Suslin sets, analytic sets (28A05) Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) (54H05) Uniqueness of trigonometric expansions, uniqueness of Fourier expansions, Riemann theory, localization (42A63)

Related Items (2)

Descriptive set Theory of Families of Small Sets ⋮ Haar-$\mathcal I$ sets: looking at small sets in Polish groups through compact glasses

Cites Work

• Unnamed Item
• Ensembles d'unicité et d'unicité au sens large. (Set of uniqueness and of uniqueness in the wide sense)
• The Structure of σ-Ideals of Compact Sets
• The covering property for σ-ideals of compact, sets
• Topologies on Spaces of Subsets

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