SOME NON-AMENABLE GROUPS

作者：Kar Aditi^*; Niblo Graham A

来源：Publicacions Matematiques, 2012, 56(1): 255-259.

DOI：10.5565/PUBLMAT_56112_09

• finitely generated groups
• orbifolds
• cohomology
• Euler characteristic

We generalise a result of R. Thomas to establish the non-vanishing of the first l(2) Betti number for a class of finitely generated groups.

• 出版日期2012