Triangle buildings and actions of type III 1/q2

Authors

Jacqueline Ramagge, University of NewcastleFollow
Guyan Robertson, University of Newcastle

RIS ID

17637

Publication Details

Ramagge, J. & Robertson, G. (1996). Triangle buildings and actions of type III_1/q². Journal of Functional Analysis, 140, 472-504.

Abstract

We study certain group actions on triangle buildings and their boundaries and some von Neumann algebras which can be constructed from them. In particular, for buildings of order q ≥ 3 certain natural actions on the boundary are hyperfinite of type III_1/q².