文章基本信息

标题：Multiple Periodic Solutions for Difference Equations with Double Resonance at Infinity
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作者：Xiaosheng Zhang ; Duo Wang
期刊名称：Advances in Difference Equations
印刷版ISSN：1687-1839
电子版ISSN：1687-1847
出版年度：2011
卷号：2011
期号：1
页码：806458
DOI：10.1155/2011/806458
语种：English
出版社：Hindawi Publishing Corporation
摘要：By using variational methods and Morse theory, we study the multiplicity of the periodic solutions for a class of difference equations with double resonance at infinity. To the best of our knowledge, investigations on double-resonant difference systems have not been seen in the literature.
关键词：Periodic Solution ; Double Resonance ; Convergent Subsequence ; Critical Group ; Morse Index