Affiliations: [a] Fakultät für Mathematik, Universität Regensburg, 93040 Regensburg, Germany | [b] Fakultät für Mathematik, Universität Regensburg, 93040 Regensburg, Germany
Abstract: We study the computability degree of real numbers arising as L2-Betti numbers or L2-torsion of groups, parametrised over the Turing degree of the word problem.
Keywords: L2-invariants of groups, computability of reals
DOI: 10.3233/COM-220416
Journal: Computability, vol. 12, no. 2, pp. 175-201, 2023