This paper deals with strongly indefinite functionals whose gradients are Fredholm operators of index 0 and map weakly convergent sequences to weakly convergent sequences. We show bow these results apply to a Z(N)-invariant semilinear Schrodinger equation on R(N).
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Texas A&M Univ Corpus Christi, Dept Math & Stat, Corpus Christi, TX 78412 USATexas A&M Univ Corpus Christi, Dept Math & Stat, Corpus Christi, TX 78412 USA
机构:
Cent S Univ, Sch Math & Stat, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Sch Math & Stat, Changsha 410083, Hunan, Peoples R China
Tang, Xianhua
Lin, Xiaoyan
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Huaihua Coll, Dept Math, Huaihua 418008, Hunan, Peoples R ChinaCent S Univ, Sch Math & Stat, Changsha 410083, Hunan, Peoples R China
Lin, Xiaoyan
Yu, Jianshe
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Guangzhou Univ, Sch Math & Informat Sci, Guangzhou 510005, Guangdong, Peoples R ChinaCent S Univ, Sch Math & Stat, Changsha 410083, Hunan, Peoples R China
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Cent China Normal Univ, Dept Math, Lab Nonlinear Anal, Wuhan 430079, Peoples R ChinaCent China Normal Univ, Dept Math, Lab Nonlinear Anal, Wuhan 430079, Peoples R China