Abstract.
We give conditions under which a homomorphism between two Zariski dense subgroups of connected semisimple Lie groups G and G' without compact factors and with trivial center can be extended to a continuous isomorphism between G and G'. In particular we prove the marked length rigidity and the marked translation vector rigidity. This last result was motivated by a Margulis‚s question.
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Received: September 18, 2001
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Dal‚Bo, F., Kim, I. Marked length rigidity for symmetric spaces. Comment. Math. Helv. 77, 399–407 (2002). https://doi.org/10.1007/s00014-002-8346-y
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DOI: https://doi.org/10.1007/s00014-002-8346-y