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Lookup NU author(s): Professor Guyan Robertson
Let G be a connected semisimple real algebraic group. Assume that G(R) has no compact factors and let Gamma be a torsionfree uniform lattice subgroup of G(R). Then Gamma contains a malnormal abelian subgroup A. This implies that the II_1 factor VN(Gamma) contains a masa A with Pukánszky invariant {infinity}.
Author(s): Robertson G, Steger T
Publication type: Article
Publication status: Published
Journal: Journal of Functional Analysis
Year: 2010
Volume: 258
Issue: 8
Pages: 2708-2713
Date deposited: 19/04/2010
ISSN (print): 0022-1236
ISSN (electronic): 1096-0783
Publisher: Academic Press
URL: http://dx.doi.org/10.1016/j.jfa.2009.08.016
DOI: 10.1016/j.jfa.2009.08.016
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