Zdeněk Frolík and the descriptive theory of sets and spaces
Petr Holický (1991)
Acta Universitatis Carolinae. Mathematica et Physica
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Petr Holický (1991)
Acta Universitatis Carolinae. Mathematica et Physica
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Jean Bourgain (1977)
Séminaire Choquet. Initiation à l'analyse
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Zdeněk Frolík (1963)
Czechoslovak Mathematical Journal
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Petr Holický (2001)
Czechoslovak Mathematical Journal
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Classical analytic spaces can be characterized as projections of Polish spaces. We prove analogous results for three classes of generalized analytic spaces that were introduced by Z. Frolík, D. Fremlin and R. Hansell. We use the technique of complete sequences of covers. We explain also some relations of analyticity to certain fragmentability properties of topological spaces endowed with an additional metric.