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Actions of higher-rank lattices on free groups

Published online by Cambridge University Press:  29 July 2011

Martin R. Bridson
Affiliation:
Mathematical Institute, 24–29 St Giles’, Oxford OX1 3LB, UK (email: [email protected])
Richard D. Wade
Affiliation:
Mathematical Institute, 24–29 St Giles’, Oxford OX1 3LB, UK (email: [email protected])
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Abstract

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If G is a semisimple Lie group of real rank at least two and Γ is an irreducible lattice in G, then every homomorphism from Γ to the outer automorphism group of a finitely generated free group has finite image.

Type
Research Article
Copyright
Copyright © Foundation Compositio Mathematica 2011

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