In this paper, the authors study the existence of nontrivial solutions for the Hamiltonian systems z(t) = J△↓H(t, z(t)) with Lagrangian boundary conditions, where ^H(t,z)=1/2(^B(t)z, z) + ^H(t, z),^B...In this paper, the authors study the existence of nontrivial solutions for the Hamiltonian systems z(t) = J△↓H(t, z(t)) with Lagrangian boundary conditions, where ^H(t,z)=1/2(^B(t)z, z) + ^H(t, z),^B(t) is a semipositive symmetric continuous matrix and ^H(t, z) = satisfies a superquadratic condition at infinity. We also obtain a result about the L-index.展开更多
基金supported by the National Natural Science Foundation of China (Nos. 10531050, 10621101)the 973 Project of the Ministry of Science and Technology of China.
文摘In this paper, the authors study the existence of nontrivial solutions for the Hamiltonian systems z(t) = J△↓H(t, z(t)) with Lagrangian boundary conditions, where ^H(t,z)=1/2(^B(t)z, z) + ^H(t, z),^B(t) is a semipositive symmetric continuous matrix and ^H(t, z) = satisfies a superquadratic condition at infinity. We also obtain a result about the L-index.