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Journal of the American Mathematical Society

Published by the American Mathematical Society, the Journal of the American Mathematical Society (JAMS) is devoted to research articles of the highest quality in all areas of mathematics.

ISSN 1088-6834 (online) ISSN 0894-0347 (print)

The 2024 MCQ for Journal of the American Mathematical Society is 4.83.

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Cartan actions of higher rank abelian groups and their classification
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by Ralf Spatzier and Kurt Vinhage;
J. Amer. Math. Soc. 37 (2024), 731-859
DOI: https://doi.org/10.1090/jams/1033
Published electronically: August 31, 2023

Abstract:

We study $\mathbb {R}^k \times \mathbb {Z}^\ell$ actions on arbitrary compact manifolds with a projectively dense set of Anosov elements and 1-dimensional coarse Lyapunov foliations. Such actions are called totally Cartan actions. We completely classify such actions as built from low-dimensional Anosov flows and diffeomorphisms and affine actions, verifying the Katok-Spatzier conjecture for this class. This is achieved by introducing a new tool, the action of a dynamically defined topological group describing paths in coarse Lyapunov foliations, and understanding its generators and relations. We obtain applications to the Zimmer program.
References
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Bibliographic Information
  • Ralf Spatzier
  • Affiliation: Department of Mathematics, University of Michigan, Ann Arbor, Michigan 48109
  • MR Author ID: 165315
  • ORCID: 0000-0001-6289-2655
  • Email: spatzier@umich.edu
  • Kurt Vinhage
  • Affiliation: Department of Mathematics, University of Utah, Salt Lake City, Utah 84112
  • MR Author ID: 925264
  • ORCID: 0000-0003-2665-7505
  • Email: vinhage@math.utah.edu
  • Received by editor(s): June 30, 2019
  • Received by editor(s) in revised form: September 16, 2020, February 12, 2021, July 2, 2022, and May 19, 2023
  • Published electronically: August 31, 2023
  • Additional Notes: The first author was supported in part by NSF grants DMS 1607260 and DMS 2003712. The second author was supported in part by NSF grant DMS 1604796.
  • © Copyright 2023 American Mathematical Society
  • Journal: J. Amer. Math. Soc. 37 (2024), 731-859
  • MSC (2010): Primary 37C85, 37D20, 37C40, 37C80, 37C15; Secondary 37C20, 22F30, 37D40, 57S20, 37A17
  • DOI: https://doi.org/10.1090/jams/1033
  • MathSciNet review: 4736528