We study the existence of periodic solutions for a second order non-autonomous dynamical system. We allow both sublinear and superlinear problems. We obtain ground state solutions. (C) 2014 AIP Publishing LLC.
机构:
Cent S Univ, Dept Math, Changsha 410075, Hunan, Peoples R China
Shandong Univ Technol, Sch Sci, Zibo 255049, Shandong, Peoples R ChinaCent S Univ, Dept Math, Changsha 410075, Hunan, Peoples R China
Sun, Juntao
Chen, Haibo
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Cent S Univ, Dept Math, Changsha 410075, Hunan, Peoples R ChinaCent S Univ, Dept Math, Changsha 410075, Hunan, Peoples R China
Chen, Haibo
Nieto, Juan J.
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Univ Santiago de Compostela, Dept Anal Matemat, Santiago De Compostela 15782, Spain
King Abdulaziz Univ, Fac Sci, Dept Math, Jeddah 21589, Saudi ArabiaCent S Univ, Dept Math, Changsha 410075, Hunan, Peoples R China
机构:
Nankai Univ, Sch Math Sci, Tianjin 300071, Peoples R ChinaNankai Univ, Sch Math Sci, Tianjin 300071, Peoples R China
Chen, Yan-Hong
Liu, Chungen
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Nankai Univ, Sch Math Sci, Tianjin 300071, Peoples R China
Nankai Univ, LPMC, Tianjin 300071, Peoples R ChinaNankai Univ, Sch Math Sci, Tianjin 300071, Peoples R China
机构:
Sultan Qaboos Univ, Coll Sci, Dept Phys, POB 36, Muscat 123, Oman
TSPU, Tomsk 634061, Russia
North West Univ, Ctr Space Res, Mafikeng, South AfricaSultan Qaboos Univ, Coll Sci, Dept Phys, POB 36, Muscat 123, Oman
Momeni, Davood
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Channuie, Phongpichit
Al Ajmi, Mudhahir
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Sultan Qaboos Univ, Coll Sci, Dept Phys, POB 36, Muscat 123, OmanSultan Qaboos Univ, Coll Sci, Dept Phys, POB 36, Muscat 123, Oman