Existence of Four Solutions of Some Nonlinear Hamiltonian System
We show the existence of four 2À-periodic solutions of the nonlinear Hamiltonian system with some conditions. We prove this problem by investigating the geometry of the sublevels of the functional and two pairs of sphere-torus variational linking inequalities of the functional and applying the cri...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2008-03-01
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| Series: | Boundary Value Problems |
| Online Access: | http://dx.doi.org/10.1155/2008/293987 |