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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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A note on the existence of stationary vortex patches for the SQG equation in bounded domain
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by Daomin Cao, Shanfa Lai and Guolin Qin
Proc. Amer. Math. Soc. 151 (2023), 4881-4891
DOI: https://doi.org/10.1090/proc/16487
Published electronically: June 30, 2023

Abstract:

By studying the contour dynamics equation and using the implicit function theorem, we prove the existence of stationary vortex patches with fixed vorticity and total flux for each patch for the surface quasi-geostrophic equation in a bounded domain near non-degenerate critical points of the Kirchhoff-Routh function.
References
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Bibliographic Information
  • Daomin Cao
  • Affiliation: Institute of Applied Mathematics, Chinese Academy of Sciences, Beijing 100190; and University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
  • MR Author ID: 261647
  • Email: dmcao@amt.ac.cn
  • Shanfa Lai
  • Affiliation: Institute of Applied Mathematics, Chinese Academy of Sciences, Beijing 100190; and University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
  • Email: laishanfa@amss.ac.cn
  • Guolin Qin
  • Affiliation: School of Mathematical Science, Peking University, Beijing 100871, People’s Republic of China; Institute of Applied Mathematics, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China; and University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
  • ORCID: 0000-0003-1870-3970
  • Email: qinguolin18@mails.ucas.ac.cn
  • Received by editor(s): November 22, 2022
  • Received by editor(s) in revised form: March 19, 2023, and March 20, 2023
  • Published electronically: June 30, 2023
  • Additional Notes: This work was supported by the National Natural Science Foundation of China (No. 11831009).
  • Communicated by: Benoit Pausader
  • © Copyright 2023 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 151 (2023), 4881-4891
  • MSC (2020): Primary 76B47; Secondary 35Q35, 76B03
  • DOI: https://doi.org/10.1090/proc/16487
  • MathSciNet review: 4634890