NON-DEGENERACY

作品数:14被引量:15H指数:3
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相关领域:理学更多>>
相关作者:李佳朱春鹏更多>>
相关机构:东南大学徐州工程学院更多>>
相关期刊:《Science China Mathematics》《Acta Mathematica Scientia》《Chinese Annals of Mathematics,Series B》《Acta Mathematica Sinica,English Series》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划更多>>
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Existence of invariant curves for area-preserving mappings under weaker non-degeneracy conditions
《Frontiers of Mathematics in China》2020年第3期571-591,共21页Kun WANG Junxiang XU 
This work was supported in part by the National Natural Science Foundation of China(Grant Nos.11871146,11671077);the Innovation Project for college postgraduates in Jiangsu Province(No.KYZZ160113).
We consider a class of analytic area-preserving mappings Cm-smoothly depending on a parameter.Without imposing on any non-degeneracy assumption,we prove a formal KAM theorem for the mappings,which implies many previou...
关键词:Area-preserving mapping invariant curve KAM iteration nondegeneracy condition 
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