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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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Centrally symmetric analytic plane domains are spectrally determined in this class
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by Hamid Hezari and Steve Zelditch;
Trans. Amer. Math. Soc. 376 (2023), 7521-7553
DOI: https://doi.org/10.1090/tran/8889
Published electronically: August 29, 2023

Abstract:

We prove that, under some generic non-degeneracy assumptions, real analytic centrally symmetric plane domains are determined by their Dirichlet (resp. Neumann) spectra. We prove that the conditions are open-dense for real analytic strictly convex domains. One step is to use a Maslov index calculation to show that the second derivative of the defining function of a centrally symmetric domain at the endpoints of a bouncing ball orbit is a spectral invariant. This is also true for up-down symmetric domains, removing an assumption from the proof in that case.
References
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Bibliographic Information
  • Hamid Hezari
  • Affiliation: Department of Mathematics, UC Irvine, Irvine, California 92617
  • MR Author ID: 841353
  • Email: hezari@math.uci.edu
  • Steve Zelditch
  • Affiliation: Department of Mathematics, Northwestern University, Evanston, Illinois 60208
  • Email: zelditch@math.northwestern.edu
  • Received by editor(s): April 19, 2021
  • Received by editor(s) in revised form: September 3, 2022
  • Published electronically: August 29, 2023
  • Additional Notes: The research of the first author was supported by the Simons Collaborations Grants for Mathematicians 638398. The research of the second author was partially supported by NSF grant DMS-1810747.
  • © Copyright 2023 American Mathematical Society
  • Journal: Trans. Amer. Math. Soc. 376 (2023), 7521-7553
  • MSC (2020): Primary 35Pxx
  • DOI: https://doi.org/10.1090/tran/8889
  • MathSciNet review: 4657215