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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 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Multiple Aharonov–Bohm eigenvalues: The case of the first eigenvalue on the disk
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by Laura Abatangelo PDF
Proc. Amer. Math. Soc. 147 (2019), 179-190 Request permission

Abstract:

It is known that the first eigenvalue for Aharonov–Bohm operators with half-integer circulation in the unit disk is double if the potential’s pole is located at the origin. We prove that in fact it is simple as the pole $a\neq 0$.
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Additional Information
  • Laura Abatangelo
  • Affiliation: Dipartimento di Matematica e Applicazioni, Università degli Studi di Milano-Bicocca, Via Cozzi 55, 20125 Milano, Italy
  • MR Author ID: 924694
  • Email: laura.abatangelo@unimib.it
  • Received by editor(s): December 22, 2017
  • Received by editor(s) in revised form: February 26, 2018, and March 3, 2018
  • Published electronically: October 18, 2018
  • Additional Notes: The author was partially supported by the project ERC Advanced Grant 2013 n. 339958: “Complex Patterns for Strongly Interacting Dynamical Systems – COMPAT”, by the PRIN2015 grant “Variational methods, with applications to problems in mathematical physics and geometry” and by the 2017-GNAMPA project “Stabilità e analisi spettrale per problemi alle derivate parziali”.
  • Communicated by: Joachim Krieger
  • © Copyright 2018 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 147 (2019), 179-190
  • MSC (2010): Primary 35J10, 35J75, 35P99, 35Q40, 35Q60
  • DOI: https://doi.org/10.1090/proc/14149
  • MathSciNet review: 3876741