Abstract : Two-page paper on the notion of cost of groups and measured equivalence relations to appear in the "What is?" series in the Notices of the AMS.
https://hal-ens-lyon.archives-ouvertes.fr/ensl-00534141
Contributor : Damien Gaboriau <>
Submitted on : Monday, November 8, 2010 - 10:50:17 PM Last modification on : Tuesday, January 5, 2021 - 11:20:03 AM Long-term archiving on: : Wednesday, February 9, 2011 - 3:09:20 AM
Damien Gaboriau. What is Cost?. Notices of the American Mathematical Society, American Mathematical Society, 2010, 57 (10), pp.1295-1296. ⟨ensl-00534141⟩