We study the computability degree of real numbers arising as $L^2$-Betti numbers or $L^2$-torsion of groups, parametrised over the Turing degree of the word problem.

翻译：我们研究了作为群的$L^2$-贝蒂数或$L^2\)-挠率出现的实数的可计算性度，并以其字问题的图灵度为参数。