Coanalytic sets that are not Blackwell spaces
Ashok Maitra (1970)
Fundamenta Mathematicae
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Ashok Maitra (1970)
Fundamenta Mathematicae
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Václav Komínek (1999)
Acta Universitatis Carolinae. Mathematica et Physica
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Andrzej Komisarski, Henryk Michalewski, Paweł Milewski (2010)
Bulletin of the Polish Academy of Sciences. Mathematics
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Let X and Y be two Polish spaces. Functions f,g: X → Y are called equivalent if there exists a bijection φ from X onto itself such that g∘φ = f. Using a theorem of J. Saint Raymond we characterize functions equivalent to Borel measurable ones. This characterization answers a question asked by M. Morayne and C. Ryll-Nardzewski.
Petr Holický, Václav Komínek (2001)
Acta Universitatis Carolinae. Mathematica et Physica
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Rae Shrott (1984)
Fundamenta Mathematicae
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Jack G. Ceder, Sandro Levi (1985)
Časopis pro pěstování matematiky
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