Normal numbers and the Borel hierarchy
2014, Fundamenta Mathematicae 226, 63-77, 2014Citas: 21
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Autor(es)
Verónica Becher and Pablo Ariel Heiber and Theodore A Slaman
URL Pública
https://arxiv.org/abs/1311.0335Abstract
We show that the set of absolutely normal numbers is -complete in the Borel hierarchy of subsets of real numbers. Similarly, the set of absolutely normal numbers is -complete in the effective Borel hierarchy.