What is Cost?
arXiv:1011.2294
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.
2 pages
arXiv:1011.2294
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.
2 pages