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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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An averaging result for periodic solutions of Carathéodory differential equations
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by Douglas D. Novaes PDF
Proc. Amer. Math. Soc. 150 (2022), 2945-2954 Request permission

Abstract:

This paper is concerned with the problem of existence of periodic solutions for perturbative Carathéodory differential equations. The main result provides sufficient conditions on the averaged equation that guarantee the existence of periodic solutions. Additional conditions are also provided to ensure the uniform convergence of a periodic solution to a constant function. The proof of the main theorem is mainly based on an abstract continuation result for operator equations.
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Additional Information
  • Douglas D. Novaes
  • Affiliation: Departamento de Matemática, Instituto de Matemática, Estatística e Computação Científica (IMECC), Universidade Estadual de Campinas (UNICAMP), Rua Sérgio Buarque de Holanda, 651, Cidade Universitária Zeferino Vaz, 13083–859, Campinas, SP, Brazil
  • MR Author ID: 995764
  • ORCID: 0000-0002-9147-8442
  • Email: ddnovaes@unicamp.br
  • Received by editor(s): April 14, 2021
  • Received by editor(s) in revised form: July 30, 2021, and August 19, 2021
  • Published electronically: April 14, 2022
  • Additional Notes: The author was partially supported by São Paulo Research Foundation (FAPESP) grants 2021/10606-0, 2018/16430-8, 2018/ 13481-0, and 2019/10269-3, and by Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) grants 309110/2021-1 and 438975/ 2018-9.
  • Communicated by: Wenxian Shen
  • © Copyright 2022 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 150 (2022), 2945-2954
  • MSC (2020): Primary 34C29, 34C25, 47H11, 34A36
  • DOI: https://doi.org/10.1090/proc/15810
  • MathSciNet review: 4428880