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Internal descriptions of absolute Borel classes
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SYSNO ASEP 0106834 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Internal descriptions of absolute Borel classes Title Vnitřní popis absolutních Borelovských tříd Author(s) Holický, P. (CZ)
Pelant, Jan (MU-W) SAISource Title Topology and its Applications. - : Elsevier - ISSN 0166-8641
Roč. 141, č. 1 (2004), s. 87-104Number of pages 18 s. Language eng - English Country NL - Netherlands Keywords absolute Borel class ; complete sequence of covers ; open map Subject RIV BA - General Mathematics R&D Projects GA201/00/1466 GA ČR - Czech Science Foundation (CSF) GA201/03/0933 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z1019905 - MU-W Annotation We present internal descriptions of spaces of absolute Borel classes with respect to Tychonoff spaces. Complete sequences of covers is the basic tool for this description. We apple the same technique to a hierarchy of absolute classes of scattered-Borel sets, covering thus the case of a hierarchy of extended Borel sets in nonseparable metrizable spaces which was introduced and studied. Workplace Mathematical Institute Contact Jarmila Štruncová, struncova@math.cas.cz, library@math.cas.cz, Tel.: 222 090 757 Year of Publishing 2005
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