Respected readers, authors and reviewers, you can add comments to this page on any questions about the contribution, review, editing and publication of this journal. We will give you an answer as soon as possible. Thank you for your support!
MENG Hai-xia, GUO Xiao-feng. Multi-periodic Solutions for A Class of Resonance Second Order Systems(Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2006, (1): 40-44,1.
Citation:
MENG Hai-xia, GUO Xiao-feng. Multi-periodic Solutions for A Class of Resonance Second Order Systems(Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2006, (1): 40-44,1.
MENG Hai-xia, GUO Xiao-feng. Multi-periodic Solutions for A Class of Resonance Second Order Systems(Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2006, (1): 40-44,1.
Citation:
MENG Hai-xia, GUO Xiao-feng. Multi-periodic Solutions for A Class of Resonance Second Order Systems(Chinese)[J]. Journal of East China Normal University (Natural Sciences), 2006, (1): 40-44,1.
The existence and multiplicity of periodic solutions are obtained for a class of su-perquadratic resonance nonautonomous second order systems ü(t)+k2ω2u+▽F(t, u(t)) = 0, a.e.t ∈ [0,T] by Z2 version of the Mountain Pass Theorem on the condition that is unbounded.