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Transactions of the American Mathematical Society

Published by the American Mathematical Society since 1900, Transactions of the American Mathematical Society is devoted to longer research articles in all areas of pure and applied mathematics.

ISSN 1088-6850 (online) ISSN 0002-9947 (print)

The 2024 MCQ for Transactions of the American Mathematical Society is 1.48 .

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Rigidity properties for some isometric extensions of partially hyperbolic actions on the torus
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by Qinbo Chen and Danijela Damjanović;
Trans. Amer. Math. Soc. 376 (2023), 4043-4083
DOI: https://doi.org/10.1090/tran/8896
Published electronically: March 21, 2023

Abstract:

This paper studies local rigidity for some isometric toral extensions of partially hyperbolic $\mathbb {Z}^k$ ($k\geqslant 2$) actions on the torus. We prove a $C^\infty$ local rigidity result for such actions, provided that the smooth perturbations of the actions satisfy the intersection property. We also give a local rigidity result within a class of volume preserving actions. Our method mainly uses a generalization of the Kolmogorov-Arnold-Moser iterative scheme.
References
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Bibliographic Information
  • Qinbo Chen
  • Affiliation: Department of Mathematics, Nanjing University, Nanjing 210093, China
  • MR Author ID: 1184389
  • ORCID: 0000-0002-2283-4220
  • Email: qinbochen1990@gmail.com
  • Danijela Damjanović
  • Affiliation: Department of Mathematics, Kungliga Tekniska Högskolan, Lindstedtsvägen 25, SE-100 44 Stockholm, Sweden
  • Email: ddam@kth.se
  • Received by editor(s): February 18, 2022
  • Received by editor(s) in revised form: October 19, 2022
  • Published electronically: March 21, 2023
  • Additional Notes: Our work was supported by Swedish Research Council grant VR 2019-04641 and the Wallenberg Foundation grant for international postdocs 2020.
  • © Copyright 2023 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 376 (2023), 4043-4083
  • MSC (2020): Primary 37C15, 37C85, 37D30
  • DOI: https://doi.org/10.1090/tran/8896
  • MathSciNet review: 4586805