By using an extension of Mawhin's continuation theorem and some analysis methods, the existence of a set with 2kT-periodic for a n-dimensional neutral Duffing differential systems, (u(t) - Cu(t - tau))'' + beta(t)x' (t) + g(u(t - gamma(t))) = p(t), is studied. Some new results on the existence of homoclinic solutions is obtained as a limit of a certain subsequence of the above set. Meanwhile, C = [C-ij](nxn) is a constant symmetrical matrix and beta(t) is allowed to change sign.
机构:
Beijing Normal Univ, Lab Math & Complex Syst, Sch Math Sci, Minist Educ, Beijing 100875, Peoples R ChinaBeijing Normal Univ, Lab Math & Complex Syst, Sch Math Sci, Minist Educ, Beijing 100875, Peoples R China
Yuan, Rong
Zhang, Ziheng
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Tianjin Polytech Univ, Dept Math, Tianjin 300160, Peoples R ChinaBeijing Normal Univ, Lab Math & Complex Syst, Sch Math Sci, Minist Educ, Beijing 100875, Peoples R China
机构:
Sobolev Institute of Mathematics, pr. Akad. Koptyuga 4, Novosibirsk
Novosibirsk State University, ul. Pirogova 2, NovosibirskSobolev Institute of Mathematics, pr. Akad. Koptyuga 4, Novosibirsk
Demidenko G.V.
Matveeva I.I.
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Sobolev Institute of Mathematics, pr. Akad. Koptyuga 4, Novosibirsk
Novosibirsk State University, ul. Pirogova 2, NovosibirskSobolev Institute of Mathematics, pr. Akad. Koptyuga 4, Novosibirsk
机构:
Cent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Peoples R ChinaCent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Peoples R China
Tang, Xian Hua
Lin, Xiao Yan
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Cent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Peoples R China
Huaihua Coll, Dept Math, Huaihua 418008, Peoples R ChinaCent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Peoples R China