Periodic Center Manifolds for DDEs in the Light of Suns and Stars

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

In this paper, we prove the existence of a periodic smooth finite-dimensional center manifold near a nonhyperbolic cycle in classical delay differential equations by using the Lyapunov–Perron method. The results are based on the rigorous functional analytic perturbation framework for dual semigroups (sun–star calculus). The generality of the dual perturbation framework ensures that the results extend to a much broader class of evolution equations.

Original languageEnglish
Pages (from-to)815–858
Number of pages44
JournalJournal of Dynamics and Differential Equations
Volume37
Issue number1
Early online date7 Aug 2023
DOIs
Publication statusPublished - 2025

Bibliographical note

Publisher Copyright:
© 2023, The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.

Keywords

  • Center manifold theorem
  • Delay differential equations
  • Dual perturbation theory
  • Nonhyperbolic cycles
  • Sun–star calculus

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