广义Duffing方程周期解的存在性

2006-04-29 00:44伊贺达赉
吉林大学学报(理学版) 2006年1期
关键词:充分条件标识码分类号

伊贺达赉

摘要:利用Lipschitz选择定理,给出了广义Duffing方程存在无穷多周期解的充分条件。

关键词:广义Duffing方程;周期解;Lipschitz选择定理

中图分类号:O175.12

文献标识码:A

文章编号:1671—5489(2006)01-0044-02

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