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一类满足非Ambrosetti—Rabinowitz型超二次条件的受追二阶Hamilton系统次调和解
引用本文:吴文亮,李成岳.一类满足非Ambrosetti—Rabinowitz型超二次条件的受追二阶Hamilton系统次调和解[J].中央民族大学学报(自然科学版),2008,17(2):23-26.
作者姓名:吴文亮  李成岳
作者单位:中央民族大学,理学院,北京100081
基金项目:中央民族大学校科研和校改项目
摘    要:考虑一类受迫的二阶Hamilton系统,其中q—Kq(t,q)+Wq(t,q)=f(t),其中K,W和f关于变量t都是T-周期的,K满足b1│q│^2≤K(t,q)≤b2│q│^2,W满足非Ambrosetti—Rabinowitz型超二次条件(△W(t,q),q)-2W(t,q)≥d2│q│^-β(t).对每个k∈N,利用山路引理的一个变形,可以证明上述系统存在非平凡的2kT-周期解(即次调和解).

关 键 词:Hamilton系统  超二次条件  次调和解
文章编号:1005-8036(2008)02-0023-04
修稿时间:2007年10月24

Subharmonic Solutions of a Class of Forced Second-order Hamiltonian Systems With Non-Ambrosetti and Rabinowitz Type Superquadratic Condition
WU Wen-liang,LI Cheng-yue.Subharmonic Solutions of a Class of Forced Second-order Hamiltonian Systems With Non-Ambrosetti and Rabinowitz Type Superquadratic Condition[J].Journal of The Central University for Nationalities(Natural Sciences Edition),2008,17(2):23-26.
Authors:WU Wen-liang  LI Cheng-yue
Institution:( College of Science, Central University for Nationalities, Belting 100081, China )
Abstract:In this paper, a class of forced second order Hamiltonian systems = f(t) is discussed, where K, W∈C^1 (R*R^n ,R), and f∈ L^2 (R,R^n) are T-periodic in t,K(t,q) satisfies the pinching condition b1│q│^2≤K(t,q)≤b2│q│^2, and Rabinowitz type superquadratic condition ( △W(t,q),q)-2W(t,q)≥d2│q│^-β(t) . The subharmonic solutions of the system can be obtained by using Mountain Pass Lemma.
Keywords:Hamiltonian systems  superquadratic conditions  subharmonic solutions
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