Geodesic
Conjugacy equivalence relation on subgroups
Alessandro Andretta 1   ; Riccardo Camerlo 1   ; Greg Hjorth 2
1 Dipartimento di Matematica Università di Torino via Carlo Alberto 10 10123 Torino, Italy
2 Department of Mathematics University of California at Los Angeles Los Angeles, CA 900095-1555, U.S.A.
Fundamenta Mathematicae, Tome 167 (2001) no. 3, pp. 189-212 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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If $G$ is a countable group containing a copy of ${\bf F}_2$ then the conjugacy equivalence relation on subgroups of $G$ attains the maximal possible complexity.
DOI : 10.4064/fm167-3-1
Keywords: countable group containing copy conjugacy equivalence relation subgroups attains maximal possible complexity

Alessandro Andretta  1   ; Riccardo Camerlo  1   ; Greg Hjorth  2

1 Dipartimento di Matematica Università di Torino via Carlo Alberto 10 10123 Torino, Italy
2 Department of Mathematics University of California at Los Angeles Los Angeles, CA 900095-1555, U.S.A. 
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Alessandro Andretta; Riccardo Camerlo; Greg Hjorth. Conjugacy equivalence relation on subgroups. Fundamenta Mathematicae, Tome 167 (2001) no. 3, pp. 189-212. doi: 10.4064/fm167-3-1

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