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Spectrum, entropy, and geometric structures for smooth actions of kazhdan groups

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Abstract

We show that many natural classes of actions of discrete subgroups of semisimple Lie groups have discrete spectrum, i.e., are measurably conjugate to isometric actions.

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Authors and Affiliations

  1. Department of Mathematics, University of Chicago, 60637, Chicago, IL, USA

    Robert J. Zimmer

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  1. Robert J. Zimmer
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Research partially supported by NSF Grant.

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Zimmer, R.J. Spectrum, entropy, and geometric structures for smooth actions of kazhdan groups. Israel J. Math. 75, 65–80 (1991). https://doi.org/10.1007/BF02787182

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  • DOI: https://doi.org/10.1007/BF02787182

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