来源：International Mathematics Research Notices, 2018, (8): 2332-2340.
DOI：10.1093/imrn/rnw305
摘要
We construct examples of principal groupoids that have weak containment but are not amenable, thus answering questions by Claire Anantharaman-Delaroche and Rufus Willett.
科研之友
微信
新浪微博
Facebook
分享链接
