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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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Periodic solutions to a forced Kepler problem in the plane
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by Alberto Boscaggin, Walter Dambrosio and Duccio Papini PDF
Proc. Amer. Math. Soc. 148 (2020), 301-314 Request permission

Abstract:

Given a smooth function $U(t,x)$, $T$-periodic in the first variable and satisfying $U(t,x) = \mathcal {O}(\vert x \vert ^{\alpha })$ for some $\alpha \in (0,2)$ as $\vert x \vert \to \infty$, we prove that the forced Kepler problem \begin{equation*} \ddot x = - \dfrac {x}{|x|^3} + \nabla _x U(t,x),\qquad x\in \mathbb {R}^2, \end{equation*} has a generalized $T$-periodic solution, according to the definition given in the paper by A. Boscaggin, R. Ortega, and L. Zhao [Trans. Amer. Math. Soc. 372 (2019), 677–703]. The proof relies on variational arguments.
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Additional Information
  • Alberto Boscaggin
  • Affiliation: Dipartimento di Matematica “Giuseppe Peano”, Università di Torino, Via Carlo Alberto 10, 10123 Torino, Italy
  • MR Author ID: 896012
  • Email: alberto.boscaggin@unito.it
  • Walter Dambrosio
  • Affiliation: Dipartimento di Matematica “Giuseppe Peano”, Università di Torino, Via Carlo Alberto 10, 10123 Torino, Italy
  • MR Author ID: 640950
  • Email: walter.dambrosio@unito.it
  • Duccio Papini
  • Affiliation: Dipartimento di Scienze Matematiche, Informatiche e Fisiche, Università di Udine, Via delle Scienze 206, 33100 Udine, Italy
  • MR Author ID: 664758
  • Email: duccio.papini@uniud.it
  • Received by editor(s): February 22, 2019
  • Received by editor(s) in revised form: May 9, 2019
  • Published electronically: July 30, 2019
  • Additional Notes: This work was partially supported by the ERC Advanced Grant 2013 n. 339958 Complex Patterns for Strongly Interacting Dynamical Systems—COMPAT, by the INDAM-GNAMPA Projects Dinamiche complesse per il problema degli $N$-centri and Proprietà qualitative di alcuni problemi ai limiti and by the project PRID SiDiA—Sistemi Dinamici e Applicazioni of the DMIF—Università di Udine
  • Communicated by: Wenxian Shen
  • © Copyright 2019 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 148 (2020), 301-314
  • MSC (2010): Primary 37J45, 70B05, 70F16
  • DOI: https://doi.org/10.1090/proc/14719
  • MathSciNet review: 4042852