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arXiv:0710.0134 [math.LO]AbstractReferencesReviewsResources

Complexité des boréliens à coupes dénombrables

Dominique Lecomte

Published 2007-09-30Version 1

We give, for each level of complexity L, a Hurewicz-like characterization of the Borel subsets with countable sections of a product of two Polish spaces that cannot become in L by changing the two Polish topologies.

Journal: Fundamenta Mathematicae 165 (2000) 139-174
Categories: math.LO, math.GN
Subjects: 54H05, 03E15, 26A21, 28A05
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