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Boundedness of semilinear Duffing equations with singularity

Boundedness of semilinear Duffing equations with singularity

作     者:Xiumei XING Lei JIAO 

作者机构:School of Mathematics and Statistics YiLi Normal University Yining 835000 China School of Science Nanjing University of Science and Technology Nanjing 210094 China 

出 版 物:《Frontiers of Mathematics in China》 (中国高等学校学术文摘·数学(英文))

年 卷 期:2014年第9卷第6期

页      面:1427-1452页

核心收录:

学科分类:07[理学] 070104[理学-应用数学] 0701[理学-数学] 

基  金:National Natural Science Foundation of China [10871090, 21364016] YiLi Normal University of China [2012 ZDXK13] Mathematical Tianyuan Foundation of China 

主  题:Hamiltonian system repulsive singularity boundedness ofsolutions canonical transformation Moser's small twist theorem 

摘      要:We prove the boundedness of all solutions for the equation x" + V'(x) = DxG(x,t), where V(x) is of singular potential, i.e., limx→-1 Y(x) = ∞, and G(x, t) is bounded and periodic in t. We give sufficient conditions on V(x) and G(x, t) to ensure that all solutions are bounded.

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