Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2024 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Smoothness of the fundamental solution of Schrödinger equations with mild trapping
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by Kouichi Taira;
Proc. Amer. Math. Soc. 151 (2023), 2073-2080
DOI: https://doi.org/10.1090/proc/16271
Published electronically: February 17, 2023

Abstract:

In this short note, smoothness of the fundamental solution of Schrödinger equations on a complete manifold is studied. It is shown that

  • the fundamental solution is smooth under “mild” trapping conditions;
  • there is a Riemannian manifold which is equal to Euclidean space outside a compact set such that the fundamental solution is not smooth.
  • References
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    Bibliographic Information
    • Kouichi Taira
    • Affiliation: Department of Mathematical Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu 525-8577, Japan
    • MR Author ID: 1339483
    • Email: ktaira@fc.ritsumei.ac.jp
    • Received by editor(s): April 10, 2022
    • Received by editor(s) in revised form: August 11, 2022, August 24, 2022, and September 8, 2022
    • Published electronically: February 17, 2023
    • Communicated by: Tanya Christiansen
    • © Copyright 2023 American Mathematical Society
    • Journal: Proc. Amer. Math. Soc. 151 (2023), 2073-2080
    • MSC (2020): Primary 35A08; Secondary 35A21, 35R01
    • DOI: https://doi.org/10.1090/proc/16271
    • MathSciNet review: 4556201