Property (T) for noncommutative universal lattices |
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Authors: | Mikhail Ershov Andrei Jaikin-Zapirain |
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Institution: | 1. University of Virginia, Charlottesville, VA, USA 2. Departamento de Matematicas UAM, Instituto de Ciencias Matematicas CSIC-UAM-UC3M-UCM, Madrid, Spain
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Abstract: | We establish a new spectral criterion for Kazhdan’s property (T) which is applicable to a large class of discrete groups defined by generators and relations. As the main application, we
prove property (T) for the groups EL
n
(R), where n≥3 and R is an arbitrary finitely generated associative ring. We also strengthen some of the results on property (T) for Kac-Moody groups from (Dymara and Januszkiewicz in Invent. Math. 150(3):579–627, 2002). |
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Keywords: | |
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