On non-injectivity of Borel functions selecting points from compact sets

DOI10.1007/S000130050400zbMath0936.54027OpenAlexW1973593556WikidataQ122870693 ScholiaQ122870693MaRDI QIDQ1961705

Joanna Peredko, Marek Balcerzak, Roman Pol

Publication date: 30 January 2000

Published in: Archiv der Mathematik (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s000130050400

zbMATH Keywords

hyperspaceBaire categoryBorel selection

Mathematics Subject Classification ID

Set-valued set functions and measures; integration of set-valued functions; measurable selections (28B20) Hyperspaces in general topology (54B20) Selections in general topology (54C65) Descriptive set theory (topological aspects of Borel, analytic, projective, etc. sets) (54H05)

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