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A KAM Theorem for a Class of Nearly Integrable Symplectic Mappings

  • Xuezhu Lu
  • Jia Li
  • Junxiang Xu
Article

Abstract

This paper considers a class of nearly integrable twist symplectic mappings with generating functions and proves the persistence of lower dimensional elliptic invariant tori under Rüssmann’s non-degeneracy conditions.

Keywords

Symplectic mappings KAM iteration Invariant tori  Non-degeneracy conditions 

Notes

Acknowledgments

The work is supported by National Natural Science Foundation of China (11371090). The work is also in part supported by NSFC (11301072), NSF of Jiangsu Province (BK 20131285). The authors would like to thank the referee for comprehensive comments and valuable suggestions, which help improve our paper a lot.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Department of MathematicsSoutheast UniversityNanjingChina

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