Boundedness of semilinear Duffing equations with singularity
Boundedness of semilinear Duffing equations with singularity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.