The class of purely unrectifiable sets in \(\ell_2\) is \(\Pi_1^1\)-complete

DOI10.14321/REALANALEXCH.39.2.0323zbMath1354.03064arXiv1303.3620OpenAlexW1938939649MaRDI QIDQ2356301

Vadim Kulikov

Publication date: 29 July 2015

Published in: Real Analysis Exchange (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1303.3620

zbMATH Keywords

Hilbert spacepurely unrectifiableco-analytic complete

Mathematics Subject Classification ID

Descriptive set theory (03E15) Classes of sets (Borel fields, (sigma)-rings, etc.), measurable sets, Suslin sets, analytic sets (28A05) Other connections with logic and set theory (28E15)

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