Hjorth, Greg Borel equivalence relations which are highly unfree. (English) Zbl 1162.03028 J. Symb. Log. 73, No. 4, 1271-1277 (2008). Reviewer: Tomasz Natkaniec (Gdańsk) MSC: 03E15 28D15 37A15 PDFBibTeX XMLCite \textit{G. Hjorth}, J. Symb. Log. 73, No. 4, 1271--1277 (2008; Zbl 1162.03028) Full Text: DOI
Kechris, Alexander S. Amenable versus hyperfinite Borel equivalence relations. (English) Zbl 0795.03067 J. Symb. Log. 58, No. 3, 894-907 (1993). Reviewer: T.Natkaniec (Bydgoszcz) MSC: 03E15 43A05 43A07 PDFBibTeX XMLCite \textit{A. S. Kechris}, J. Symb. Log. 58, No. 3, 894--907 (1993; Zbl 0795.03067) Full Text: DOI Link
Kechris, Alexander S. Amenable equivalence relations and Turing degrees. (English) Zbl 0734.03028 J. Symb. Log. 56, No. 1, 182-194 (1991). MSC: 03E60 03D25 03E15 PDFBibTeX XMLCite \textit{A. S. Kechris}, J. Symb. Log. 56, No. 1, 182--194 (1991; Zbl 0734.03028) Full Text: DOI Link