Conjugacy equivalence relation on subgroups
Alessandro Andretta ; Riccardo Camerlo ; Greg Hjorth
Fundamenta Mathematicae, Tome 167 (2001), p. 189-212 / Harvested from The Polish Digital Mathematics Library
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If G is a countable group containing a copy of F₂ then the conjugacy equivalence relation on subgroups of G attains the maximal possible complexity.

Publié le : 2001-01-01
EUDML-ID : urn:eudml:doc:282558 
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     title = {Conjugacy equivalence relation on subgroups},
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     year = {2001},
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Alessandro Andretta; Riccardo Camerlo; Greg Hjorth. Conjugacy equivalence relation on subgroups. Fundamenta Mathematicae, Tome 167 (2001) pp. 189-212. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-fm167-3-1/